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Okay, this is the hardest part of the whole project…picking your topic. But here are some ideas to get you started. Even if you don’t like any, they may inspire you to come up with one of your own. Remember, check all project ideas with your teacher and parents, and don’t do any project that would hurt or scare people or animals. Good luck!
- Does music affect on animal behavior?
- Does the color of food or drinks affect whether or not we like them?
- Where are the most germs in your school? ( CLICK for more info. )
- Does music have an affect on plant growth?
- Which kind of food do dogs (or any animal) prefer best?
- Which paper towel brand is the strongest?
- What is the best way to keep an ice cube from melting?
- What level of salt works best to hatch brine shrimp?
- Can the food we eat affect our heart rate?
- How effective are child-proof containers and locks.
- Can background noise levels affect how well we concentrate?
- Does acid rain affect the growth of aquatic plants?
- What is the best way to keep cut flowers fresh the longest?
- Does the color of light used on plants affect how well they grow?
- What plant fertilizer works best?
- Does the color of a room affect human behavior?
- Do athletic students have better lung capacity?
- What brand of battery lasts the longest?
- Does the type of potting soil used in planting affect how fast the plant grows?
- What type of food allow mold to grow the fastest?
- Does having worms in soil help plants grow faster?
- Can plants grow in pots if they are sideways or upside down?
- Does the color of hair affect how much static electricity it can carry? (test with balloons)
- How much weight can the surface tension of water hold?
- Can some people really read someone else’s thoughts?
- Which soda decays fallen out teeth the most?
- What light brightness makes plants grow the best?
- Does the color of birdseed affect how much birds will eat it?
- Do natural or chemical fertilizers work best?
- Can mice learn? (you can pick any animal)
- Can people tell artificial smells from real ones?
- What brands of bubble gum produce the biggest bubbles?
- Does age affect human reaction times?
- What is the effect of salt on the boiling temperature of water?
- Does shoe design really affect an athlete’s jumping height?
- What type of grass seed grows the fastest?
- Can animals see in the dark better than humans?
Didn’t see one you like? Don’t worry…look over them again and see if they give you an idea for your own project that will work for you. Remember, find something that interests you, and have fun with it.
To download and print this list of ideas CLICK HERE .
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- The scientific method
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Science Fair Project Ideas
- Ph.D., Biomedical Sciences, University of Tennessee at Knoxville
- B.A., Physics and Mathematics, Hastings College
Science fair is an opportunity for students of all ages to ask big questions, conduct meaningful research, and make exciting discoveries. Browse hundreds of science fair project ideas to find the ideal project according to grade level.
Preschool Science Project Ideas
Preschool is not too early to introduce children to science! Most preschool science ideas aim to interest kids in exploring and asking questions about the world around them.
- Play with silly putty and examine its properties.
- Look at flowers. How many petals does each flower have? What parts do flowers share in common?
- Blow up balloons. What happens when you release an open balloon? What happens when you rub a balloon on your hair?
- Explore color with fingerpaints.
- Blow bubbles and look at how bubbles interact with each other.
- Make a telephone with cups or cans and some string.
- Have preschoolers categorize objects into groups. Discuss similarities and differences between objects.
Grade School Science Project Ideas
Students are introduced to the scientific method in grade school and learn how to propose a hypothesis . Grade school science projects tend to be quick to complete and should be fun for the student and the teacher or parent. Examples of suitable project ideas include:
- Determine whether insects are attracted to lights at night because of their heat or their light.
- Does the type of liquid (e.g., water, milk, cola) affect seed germination?
- Does the power setting of the microwave affect how many unpopped kernels are in popcorn?
- What happens if you pour a liquid other than water through a pitcher-type water filter?
- What type of bubble gum produces the biggest bubbles?
Middle School Science Fair Ideas
Middle school is where kids can truly shine at the science fair! Kids should try to come up with their own project ideas, based on topics that interest them. Parents and teachers may still need to help with posters and presentations, but middle school students should have control of the project. Examples of middle school science fair ideas include:
- Examine food labels. How does the nutritional data for different brands of the same food (e.g., microwave popcorn) compare?
- Is laundry detergent effective if you use less than the recommended amount?
- How permanent are permanent markers? Are there chemicals that will remove the ink?
- Can a saturated solution of salt still dissolve sugar?
- Do green bags really preserve food longer?
- Are goldfish water chemicals really necessary?
- What shape of ice cube melts the slowest?
High School Science Fair Ideas
High school science fair projects can be about more than a grade . Winning a high school science fair can net some nice cash prizes, scholarships, and college/career opportunities. While it's fine for an elementary or middle school project to take hours or a weekend to complete, most high school projects run longer. High school projects typically identify and solve problems, offer new models, or describe inventions. Here are some sample project ideas:
- Which natural mosquito repellents are most effective?
- Which home hair color holds its color through the most washings?
- Do people who play car racing video games have more speeding tickets?
- Which high school sport is associated with the most injuries?
- What percentage of left-handed people use a computer mouse with their left hand?
- What season is worst for allergies and why?
College Science Fair Ideas
Just as a good high school idea can pave the way for cash and college education, a good college project can open the door to graduate school and gainful employment. A college project is a professional-level project that shows you understand how to apply the scientific method to model a phenomenon or answer a significant question. The big focus on these projects is on originality, so while you might build on a project idea, don't just use one someone else has already done. It's fine to use an old project and come up with a new approach or different way of asking the question. Here are some starting points for your research:
- What plants can detoxify gray water flowing from a home?
- How could the timing of a traffic light be changed to improve intersection safety.
- Which home appliances use the most power? How could that energy be conserved?
This content is provided in partnership with National 4-H Council. 4-H science programs provide youth the opportunity to learn about STEM through fun, hands-on activities and projects. Learn more by visiting their website.
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Learn STEM by Doing (and having fun)!
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The Ultimate Science Fair Project Guide – From Start to Finish
When our daughter entered her first science fair, we kept seeing references to the Internet Public Library Science Fair Project Resource Guide . However, the IPL2 permanently closed… taking the guide with it. Bummer ! After now participating in over a half-dozen elementary school science fairs (including a first-place finish!), we created our own guide to help other students go from start to finish in their next science fair project. If this is your first science fair, have fun! If you’ve done it before, we hope this is your best one! Let’s science!
*Images from Unsplash
How to Use the STEMium Science Fair Project Ultimate Guide?
![science project ideas hypothesis science project ideas hypothesis](https://i0.wp.com/stemium.com/wp-content/uploads/2019/12/science.png?resize=300%2C174&ssl=1)
If you are just starting off and this is your first science fair, here’s how to get started:
- Start with the STEMium Science Fair Project Roadmap . This is an infographic that “maps” out the process from start to finish and shows all the steps in a visual format.
- Getting Started – Why Do a Science Fair Project . Besides walking through some reasons to do a project, we also share links to examples of national science fair competitions, what’s involved and examples of winning science fair experiments . *Note: this is where you’ll get excited!!
- The Scientific Method – What is It and What’s Involved . One of the great things about a science fair project is that it introduces students to an essential process/concept known as the scientific method. This is simply the way in which we develop a hypothesis to test.
- Start the Process – Find an Idea . You now have a general idea of what to expect at the science fair, examples of winning ideas, and know about the scientific method. You’re ready to get started on your own project. How do you come up with an idea for a science fair project? We have resources on how to use a Google tool , as well as some other strategies for finding an idea.
- Experiment and Build the Project . Time to roll up those sleeves and put on your lab coat.
- Other Resources for the Fair. Along the way, you will likely encounter challenges or get stuck. Don’t give up – it’s all part of the scientific process. Check out our STEMium Resources page for more links and resources from the web. We also have additional experiments like the germiest spot in school , or the alka-seltzer rocket project that our own kids used.
Getting Started – Why Do a Science Fair Project
For many students, participating in the science fair might be a choice that was made FOR you. In other words, something you must do as part of a class. Maybe your parents are making you do it. For others, maybe it sounded like a cool idea. Something fun to try. Whatever your motivation, there are a lot of great reasons to do a science fair project.
- Challenge yourself
- Learn more about science
- Explore cool technology
- Make something to help the world! (seriously!)
- Win prizes (and sometimes even money)
- Do something you can be proud of!
Many students will participate in a science fair at their school. But there are also national competitions that include 1000s of participants. There are also engineering fairs, maker events, and hackathons. It’s an exciting time to be a scientist!! The list below gives examples of national events.
- Regeneron Science Talent Search
- Regeneron International Science and Engineering Fair
- Google Science Fair
- Conrad Challenge
- Microsoft Imagine Cup
- JSHS Program
- Exploravision
What’s the Scientific Method?
Before we jump into your project, it’s important to introduce a key concept: The Scientific Method . The scientific method is the framework scientists use to answer their questions and test their hypothesis. The figure below illustrates the steps you’ll take to get to the end, but it starts with asking a question (you’ve already finished the first step!).
![science project ideas hypothesis scientific method - for the science fair](https://i0.wp.com/stemium.com/wp-content/uploads/2019/12/scientific-method.png?resize=825%2C448&ssl=1)
After we find a problem/idea to tackle, and dig into some background research, we create a guess on a potential solution. This is known as our hypothesis.
Example of a Hypothesis
My brother can hold his breath underwater longer than I can (“our problem”) –> how can I hold my breath longer? (“our question”) –> if I drink soda with caffeine before I hold my breath, I will be able to stay underwater longer (“our solution”). Our hypothesis is that using caffeine before we go underwater will increase the time we hold our breath. We’re not sure if that is a correct solution or not at this stage – just taking a guess.
Once we have a hypothesis, we design an experiment to TEST our hypothesis. First, we will change variables/conditions one at a time while keeping everything else the same, so we can compare the outcomes.
Experimental Design Example
Using our underwater example, maybe we will test different drinks and count how long I can hold my breath. Maybe we can also see if someone else can serve as a “control” – someone who holds their breath but does not drink caffeine. For the underwater experiment, we can time in seconds how long I hold my breath before I have a drink and then time it again after I have my caffeine drink. I can also time how long I stay underwater when I have a drink without caffeine.
Then, once we finish with our experiment, we analyze our data and develop a conclusion.
- How many seconds did I stay underwater in the different situations?
- Which outcome is greater? Did caffeine help me hold my breath longer?
Finally, (and most important), we present our findings. Imagine putting together a poster board with a chart showing the number of seconds I stayed underwater in the different conditions.
Hopefully you have a better sense of the scientific method. If you are completing a science fair project, sticking with these steps is super important. Just in case there is any lingering confusion, here are some resources for learning more about the scientific method:
- Science Buddies – Steps of the Scientific Method
- Ducksters – Learn About the Scientific Method
- Biology4kids – Scientific Method
- National Institute of Environmental Health Sciences – Scientific Method
What Science Fair Project Should I Do?
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And science is no different.
Just know that if you can get through the idea part, the rest of the science fair is relatively smooth sailing. Remember to keep an open mind and a positive outlook . Each year 100s of 1000s of kids, teenagers and college students come up with new projects and ideas to test. You’ve got this!
What Makes a Great Science Fair Project? Start with a Problem To Solve
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As we discuss below, good science experiments attempt to answer a QUESTION. Why is the sky blue? Why does my dog bark at her reflection? First, we will step through some ways to find TESTABLE QUESTIONS. These questions that you create will be what you work on for your science fair project. Pick something fun, something interesting and something that you are excited about. Not sure what that looks like? Step through some of the tips below for help.
Use the Google Science Fair Idea Generator
Are you surprised Google made a tool for science fair projects?? Our post called the low-stress way to find a science fair project gives a more in-depth overview about how to use it. It’s a great first stop if you’re early in the brainstorming process.
Answer your own questions
![science project ideas hypothesis science project ideas hypothesis](https://i0.wp.com/stemium.com/wp-content/uploads/2019/12/question-mark.jpg?resize=249%2C249&ssl=1)
- What type of music makes you run faster?
- Can boys hold their breath underwater longer than girls?
- How can I be sure the sandwich I bought is gluten free?
- If we plant 100 trees in our neighborhood, will the air be cleaner?
Still stuck? Get inspiration from other science fair projects
![science project ideas hypothesis science project ideas hypothesis](https://i0.wp.com/stemium.com/wp-content/uploads/2019/12/scientific-inspiration.jpg?resize=300%2C200&ssl=1)
Check out the Getting Started section and look at some of the winning science project ideas, our STEMium experiments and our Resource page. We’ve presented a ton of potential idea starters for you – take time to run through some of these, but our suggestion is to give yourself a deadline to pick an idea . Going through the lists could take you longer than you think, and in many cases sometimes it’s just better to pick something and go for it! The next section will take you through how to create testable questions for your project.
Starting Your Project: Find A Testable Question
The best experiments start with a question. Taking that a step further, the questions you useyou’re your science fair project should be ones that are TESTABLE. That means something you can measure. Let’s look at an example. Let’s say I’m super excited about baking. OH YEA!! I love baking. Specifically, baking cakes. In fact, I love baking cakes so much that I want to do a science project related to cakes. We’ve got two questions on cakes that we created. Which question below could be most useful for a science fair project:
1) Can eating cake before a test improve your score?
2) Why isn’t carrot cake more popular than chocolate cake?
The second question isn’t necessarily a bad question to pick. You could survey people and perhaps tackle the question that way. However, chances are you will get a lot of different answers and it will probably take a lot of surveys to start to pick up a trend.
Although, the first question might be a little easier. How would you test this? Maybe you pick one type of cake and one test that you give people. If you can get five people to take the test after eating cake and five people take the test with no cake, you can compare the test results. There might be other variables beyond cake that you could test (example: age, sex, education). But you can see that the first question is probably a little easier to test. The first question is also a little easier to come up with a hypothesis.
At this point, you’ve got an idea. That was the hard part! Now it’s time to think a little more about that idea and focus it into a scientific question that is testable and that you can create a hypothesis around .
What makes a question “testable”?
Testable questions are ones that can be measured and should focus on what you will change. In our first cake question, we would be changing whether or not people eat cake before a test. If we are giving them all the same test and in the same conditions, you could compare how they do on the test with and without cake. As you are creating your testable question, think about what you WILL CHANGE (cake) and what you are expecting to be different (test scores). Cause and effect. Check out this reference on testable questions for more details.
Outline Your Science Project – What Steps Should I Take?
![science project ideas hypothesis science project ideas hypothesis](https://i0.wp.com/stemium.com/wp-content/uploads/2019/12/science-map.jpg?resize=300%2C200&ssl=1)
Do Background Research / Create Hypothesis
Science experiments typically start with a question (example: Which cleaning solution eliminates more germs?). The questions might come up because of a problem. For example, maybe you’re an engineer and you are trying to design a new line of cars that can drive at least 50 mph faster. Your problem is that the car isn’t fast enough. After looking at what other people have tried to do to get the car to go faster, and thinking about what you can change, you try to find a solution or an answer. When we talk about the scientific method, the proposed answer is referred to as the HYPOTHESIS.
![science project ideas hypothesis science project ideas hypothesis](https://i0.wp.com/stemium.com/wp-content/uploads/2019/12/research.png?resize=300%2C199&ssl=1)
- Science Buddies
- National Geographic
The information you gather to answer these research questions can be used in your report or in your board. This will go in the BACKGROUND section. For resources that you find useful, make sure you note the web address where you found it, and save in a Google Doc for later.
Additional Research Tips
For your own science fair project, there will likely be rules that will already be set by the judges/teachers/school. Make sure you get familiar with the rules FOR YOUR FAIR and what needs to be completed to participate . Typically, you will have to do some research into your project, you’ll complete experiments, analyze data, make conclusions and then present the work in a written report and on a poster board. Make a checklist of all these “to do” items. Key things to address:
- Question being answered – this is your testable question
- Hypothesis – what did you come up with and why
- Experimental design – how are you going to test your hypothesis
- Conclusions – why did you reach these and what are some alternative explanations
- What would you do next? Answering a testable question usually leads to asking more questions and judges will be interested in how you think about next steps.
Need more help? Check out these additional resources on how to tackle a science fair project:
- Developing a Science Fair Project – Wiley
- Successful Science Fair Projects – Washington University
- Science Fair Planning Guide – Chattahoochee Elementary
Experiment – Time to Test That Hypothesis
Way to go! You’ve found a problem and identified a testable question. You’ve done background research and even created a hypothesis. It’s time to put it all together now and start designing your experiment. Two experiments we have outlined in detail – germiest spot in school and alka-seltzer rockets – help show how to set up experiments to test variable changes.
The folks at ThoughtCo have a great overview on the different types of variables – independent, dependent and controls. You need to identify which ones are relevant to your own experiment and then test to see how changes in the independent variable impacts the dependent variable . Sounds hard? Nope. Let’s look at an example. Let’s say our hypothesis is that cold weather will let you flip a coin with more heads than tails. The independent variable is the temperature. The dependent variable is the number of heads or tails that show up. Our experiment could involve flipping a coin fifty times in different temperatures (outside, in a sauna, in room temperature) and seeing how many heads/tails we get.
One other important point – write down all the steps you take and the materials you use!! This will be in your final report and project board. Example – for our coin flipping experiment, we will have a coin (or more than one), a thermometer to keep track of the temperature in our environment. Take pictures of the flipping too!
Analyze Results – Make Conclusions
Analyzing means adding up our results and putting them into pretty pictures. Use charts and graphs whenever you can. In our last coin flipping example, you’d want to include bar charts of the number of heads and tails at different temperatures. If you’re doing some other type of experiment, take pictures during the different steps to document everything.
This is the fun part…. Now we get to see if we answered our question! Did the weather affect the coin flipping? Did eating cake help us do better on our test?? So exciting! Look through what the data tells you and try to answer your question. Your hypothesis may / may not be correct. It’s not important either way – the most important part is what you learned and the process. Check out these references for more help:
- How to make a chart or graph in Google Sheets
- How to make a chart in Excel
Presentation Time – Set Up Your Board, Practice Your Talk
Personally, the presentation is my favorite part! First, you get to show off all your hard work and look back at everything you did! Additionally, science fair rules should outline the specific sections that need to be in the report, and in the poster board – so, be like Emmett from Lego Movie and read the instructions. Here’s a loose overview of what you should include:
- Title – what is it called.
- Introduction / background – here’s why you’re doing it and helping the judges learn a bit about your project.
- Materials/Methods – what you used and the steps in your experiment. This is so someone else could repeat your experiment.
- Results – what was the outcome? How many heads/tails? Include pictures and graphs.
- Conclusions – was your hypothesis correct? What else would you like to investigate now? What went right and what went wrong?
- References – if you did research, where did you get your information from? What are your sources?
The written report will be very similar to the final presentation board. The board that you’ll prepare is usually a three-panel board set up like the picture shown below.
![science project ideas hypothesis science fair board](https://i0.wp.com/stemium.com/wp-content/uploads/2019/12/science-fair-board.png?resize=825%2C452&ssl=1)
To prepare for the presentation, you and your partner should be able to talk about the following:
- why you did the experiment
- the hypothesis that was tested
- the data results
- the conclusions.
It’s totally OK to not know an answer. Just remember this is the fun part!
And that’s it! YOU DID IT!!
Science fair projects have been great opportunities for our kids to not only learn more about science, but to also be challenged and push themselves. Independent projects like these are usually a great learning opportunity. Has your child completed a science fair project that they are proud of? Include a pic in the comments – we love to share science!! Please also check out our STEMium Resources page for more science fair project tips and tricks .
STEMomma is a mother & former scientist/educator. She loves to find creative, fun ways to help engage kids in the STEM fields (science, technology, engineering and math). When she’s not busy in meetings or carpooling kids, she loves spending time with the family and dreaming up new experiments or games they can try in the backyard.
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120+ Exciting 5th Grade Science Project Ideas With Hypothesis In 2023
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Are you ready to embark on an exciting journey into the world of 5th-grade science projects with hypotheses? Science projects are not just about fun experiments; they also involve forming hypotheses to make educated guesses about outcomes. But what makes a good hypothesis for a science project? In this blog, we’ll explore the key components of a successful hypothesis.
Selecting the right 5th-grade science project can be a challenge, and we’ll share some valuable tips to help you choose the perfect one. We’ll dive into the importance of combining hypothesis with your science project and why it’s a vital aspect of learning and discovery.
But that’s not all! We’ve also compiled an extensive list of 120+ exciting 5th-grade science project ideas with hypothesis, providing you with a wealth of inspiration for your next scientific adventure. Stay tuned with us to unleash the world of 5th-grade science project ideas with hypothesis and nurture your curiosity in the process.
What Is A Good Hypothesis For A Science Project?
Table of Contents
A good hypothesis for a science project is like a smart guess. It helps scientists figure out what they think will happen in their experiment. To make a good hypothesis, you need to use words like if and then. For example, If I water the plant every day, then it will grow taller. This shows what you’re going to do and what you expect to see.
In addition, a strong hypothesis also needs to be testable. That means you can experiment to see if it’s true or not. It’s like a detective’s clue that leads you to find the answer. Scientists use good hypotheses to guide their experiments and learn new things about the world. So, making a good hypothesis is an important part of any science project.
Things To Remember While Selecting A 5th Grade Science Project Ideas With Hypothesis
Here are some things to remember while selecting a 5th grade science project ideas with hypothesis:
1. Personal Interest
Choose a 5th-grade science project that interests you. Picking a topic you’re curious about makes the project more enjoyable. Whether it’s plants, animals, or space, your passion can make learning fun.
2. Age-Appropriate
Make sure the project is right for your grade level. A 5th-grade project shouldn’t be too simple or too complex. It should match your skills and what you’ve learned in school.
3. Available Resources
Check if you have access to the materials you need. Some projects might need special tools or expensive stuff. It’s essential to choose something you can do with the materials you have.
4. Safety First
Keep safety in mind. Select a project that’s safe to do at home or in school. Make sure you won’t be using anything harmful or dangerous.
5. Clear Instructions
Look for a project with clear instructions. It’s easier when you know what to do step by step. Projects with easy-to-follow directions help you succeed and learn better.
Developing A Hypothesis For Your Science Project
Developing a hypothesis for your science project is a crucial step. It’s like making an educated guess about what you think will happen during your experiment. Here are seven key points to consider while creating a hypothesis:
- Identify the Variables: Determine the two things you’re testing in your experiment, the if and then parts. For example, if you’re testing plant growth, the variables could be amount of sunlight and plant height.
- Be Specific: Make sure your hypothesis is clear and precise. Avoid vague or broad statements. The more specific, the better.
- Predict the Outcome: Your hypothesis should state what you expect to happen. Will one variable cause a change in the other? State your prediction clearly.
- Use If-Then Statements : Craft your hypothesis using if-then statements to show the relationship between the variables. For instance, If the amount of sunlight increases, then the plant height will also increase.
- Keep It Testable: Ensure that your hypothesis is something you can test through an experiment. It should lead to concrete results that you can measure.
- Avoid Bias: Make sure your hypothesis doesn’t show your personal beliefs. It should be based on research and evidence, not what you want to happen.
- Revisit and Revise : As you conduct your experiment, be ready to adjust your hypothesis if the results don’t match your initial prediction. Science is all about learning and adapting.
Here we have a list of 120+ exciting 5th grade science project ideas with hypothesis in 2023:
- Balloon Rocket
Hypothesis – If I inflate a balloon and release it, then it will move forward because of the escaping air.
- Moldy Bread
Hypothesis – I think bread left in different conditions will develop mold at varying rates.
- Growing Plants
Hypothesis – If I give plants different amounts of water, then they will grow differently.
- Magnet Magic
Hypothesis – I predict that magnets will attract some objects but not others.
- Lemon Battery
Hypothesis – I believe I can create a battery using a lemon because it is acidic.
- Volcano Eruption
Hypothesis – I expect that a mixture of vinegar and baking soda will create a volcanic eruption.
- Density of Liquids
Hypothesis – I think different liquids have different densities, and some will float on top of others.
- Solar Still
Hypothesis – I predict that a solar still can collect clean water from dirty water through evaporation.
- Bouncing Balls
Hypothesis – I believe that balls made from different materials will bounce to different heights.
- Static Electricity
Hypothesis – I think rubbing a balloon on my hair will create static electricity that attracts objects.
- Fruit Battery
Hypothesis – I expect that fruits like oranges and lemons can power a small light bulb.
- Color-Changing Milk
Hypothesis – I predict that adding soap to milk with food coloring will make colorful patterns.
- Tornado in a Bottle
Hypothesis – I think that by swirling water and dish soap in a bottle, I can create a tornado-like vortex.
- Water Filtration
Hypothesis – I believe that by using sand and gravel, I can filter impurities from water.
- Rust Formation
Hypothesis – I predict that metal objects left in water will rust over time.
- Candy Dissolving
Hypothesis – I think that different candies will dissolve at different rates in water.
- Seed Germination
Hypothesis – If I plant seeds in various conditions, then they will sprout at different rates.
Hypothesis – I expect that by using a simple rain gauge, I can measure rainfall accurately.
- Sound Vibrations
Hypothesis – I believe that different objects will produce different sounds when struck.
- Egg Drop Challenge
Hypothesis – I predict that if I design a protective container, the egg will survive a fall.
- Paper Airplanes
Hypothesis – I think that altering the shape of paper airplanes will affect their flight distance.
- Food Preservation
Hypothesis – I expect that different methods of food preservation will keep food fresh longer.
- Homemade Slime
Hypothesis – I believe that mixing glue and borax will create a slimy substance.
Hypothesis – I predict that combining oil and water with Alka-Seltzer will create a mesmerizing lava lamp effect.
- Air Pressure
Hypothesis – I think air pressure can be measured with a simple barometer.
- Crystal Growth
Hypothesis – I expect that I can grow crystals by dissolving substances in water.
- Ocean Currents
Hypothesis – I predict that hot water and cold water will create ocean currents in a container.
- Rainbow in a Jar
Hypothesis – I believe I can create a rainbow by layering different liquids with different densities.
- Static Electricity Levitation
Hypothesis – I think that static electricity can make a small object levitate.
- Melting Ice
Hypothesis – I predict that adding salt to ice will cause it to melt faster.
- Potato Battery
Hypothesis – I expect that a potato can conduct electricity and power a small device.
- Pendulum Swing
Hypothesis – I believe that the length of a pendulum will affect its swing time.
- Soda Geyser
Hypothesis – I predict that dropping Mentos candies into soda will create a geyser.
- Chromatography
Hypothesis – I think I can separate the colors in markers using chromatography.
- Heat Transfer
Hypothesis – I expect that different materials will transfer heat at varying rates.
- Rainfall and Runoff
Hypothesis – I predict that if I simulate rainfall on different surfaces, some will produce more runoff.
- Fizzy Lemonade
Hypothesis – I believe that combining lemon juice and baking soda will make lemonade fizzier.
- Rock Identification
Hypothesis – I think I can identify different rocks by their characteristics.
Hypothesis – I predict that by cutting a straw, I can make it produce musical sounds like an oboe.
- Taste Perception
Hypothesis – I expect that people’s taste perception may change when their sense of smell is altered.
- Color-Changing Flowers
Hypothesis – I believe that adding food coloring to water will change the color of white flowers.
- Solar Cooker
Hypothesis – I predict that a solar cooker can cook food using only the sun’s energy.
- Tornado Formation
Hypothesis – I think that rotating two bottles will create a tornado effect.
- Vinegar and Baking Soda Rocket
Hypothesis – I expect that mixing vinegar and baking soda in a bottle will launch it into the air.
- Popsicle Stick Bridge
Hypothesis – I predict that I can build a strong bridge using only popsicle sticks and glue.
- Rainfall Patterns
Hypothesis – I believe that rainfall patterns can be different in various parts of the world.
- Chemical Reactions
Hypothesis – I think mixing certain chemicals will result in a visible reaction.
- Fruit Decomposition
Hypothesis – I predict that different fruits will decompose at different rates.
- Balancing Act
Hypothesis – I expect that I can balance various objects on a pivot point.
- Photosynthesis Simulation
Hypothesis – I believe that using a simple setup, I can show how plants perform photosynthesis.
- Sinking and Floating
Hypothesis – I think that objects with different densities will either sink or float in water.
- Tooth Decay
Hypothesis – I predict that different liquids will affect teeth differently, simulating tooth decay.
- Rainwater Collection
Hypothesis – I expect that by using a funnel, I can collect rainwater efficiently.
- Soundproofing
Hypothesis – I think that different materials will block sound to varying degrees.
- Egg in a Bottle
Hypothesis – I predict that I can place a peeled hard-boiled egg into a bottle without breaking it.
- Water Wheel
Hypothesis – I believe that the flow of water can make a small wheel turn.
- Invisible Ink
Hypothesis – I expect that I can create invisible ink that reveals messages under certain conditions.
- Heat from the Sun
Hypothesis – I predict that a dark-colored object will get hotter in the sun than a light-colored one.
- Layered Liquids
Hypothesis – I think that liquids of different densities will form layers when mixed.
- Candle Burning
Hypothesis – I predict that different types of candles will burn at different rates.
- Buoyancy with Clay Boats
Hypothesis – I believe I can make clay boats that float and carry small loads.
Hypothesis – I expect that a mixture of cornstarch and water will behave strangely, like a liquid and a solid.
- Magnetic Slime
Hypothesis – I predict that adding iron filings to slime will make it magnetic.
- Stalactites and Stalagmites
Hypothesis – I think I can grow stalactites and stalagmites using a simple solution.
Hypothesis – I expect that different substances will have varying pH levels, which can be tested with indicator paper.
- Solar Still for Drinking Water
Hypothesis – I believe that a solar still can produce clean drinking water from saltwater.
Hypothesis – I predict that I can create a sundial that tells time using the sun’s shadow.
- Dissolving Sugar
Hypothesis – I expect that sugar will dissolve faster in hot water than in cold water.
- Balloon Inflator
Hypothesis – I think that a chemical reaction in a bottle can inflate a balloon.
- Baking Soda and Vinegar Boat
Hypothesis – I predict that a boat made from materials like baking soda and vinegar will move.
- Oil Spill Cleanup
Hypothesis – I believe that using different materials can help clean up an oil spill in water.
- Seed Dispersal
Hypothesis – I predict that seeds can be dispersed in various ways, such as by wind or animals.
- Lemonade Sweetness
Hypothesis – I expect that lemonade sweetness can be adjusted by adding sugar in different amounts.
- Density of Solids
Hypothesis – I think different solid objects will have different densities, which can be measured.
- Making Ice Cream
Hypothesis – I predict that I can make ice cream by mxing ingredients and using ice and salt.
- Conduction and Insulation
Hypothesis – I believe that different materials will either conduct or insulate heat.
- Centrifugal Force
Hypothesis – I predict that spinning an object will create a centrifugal force that affects its path.
- Balloon-Powered Car
Hypothesis – I expect that a car powered by a balloon will move because of the escaping air.
- Candle Extinguisher
Hypothesis – I think that covering a candle with a glass will extinguish it by using up the oxygen inside.
- Water Filter Comparison
Hypothesis – I predict that different water filters will remove impurities to varying degrees.
- Capillary Action
Hypothesis – I expect that water will rise differently in materials with varying capillary action.
- Static Electricity and Salt
Hypothesis – I believe that salt can be moved with static electricity.
- Food Coloring in Flowers
Hypothesis – I predict that adding food coloring to water will change the color of flowers.
- Bottle Trombone
Hypothesis – I think I can make a simple trombone-like instrument using a plastic bottle.
- Windmill Power
Hypothesis – I expect that a windmill can generate power when exposed to wind.
- Chewing Gum Flavor
Hypothesis – I predict that the flavor of chewing gum changes over time as it’s chewed.
- Yeast Balloons
Hypothesis – I believe that yeast will produce gas that can inflate a balloon.
- Water Wheel Efficiency
Hypothesis – I think that the design of a water wheel affects its efficiency in generating power.
- Simple Electric Circuit
Hypothesis – I expect that I can make a light bulb glow by completing an electric circuit.
- Sugar Crystal Lollipop
Hypothesis – I predict that sugar crystals will grow on a string dipped in a sugary solution.
- Temperature and Magnetism
Hypothesis – I believe that magnets will behave differently at various temperatures.
- Styrofoam and Acetone
Hypothesis – I expect that acetone will dissolve styrofoam.
- Starch in Foods
Hypothesis – I think I can test for the presence of starch in different foods using iodine.
- Balloon-Powered Boat
Hypothesis – I predict that a boat powered by a balloon will move on water.
- Melting Chocolate
Hypothesis – I expect that chocolate will melt at different rates when heated.
- Air Pollution and Plant Growth
Hypothesis – I believe that exposing plants to air pollution will affect their growth.
- Simple Motor
Hypothesis – I predict that I can build a simple motor that turns when an electric current flows through it.
- Lemon Battery Voltage
Hypothesis – I expect that different fruits will produce varying amounts of electricity when used as batteries.
- Fireworks in a Jar
Hypothesis – I think that mixing oil and colored water will create a fireworks-like display in a jar.
- Bending Water with Static Electricity
Hypothesis – I predict that static electricity can bend a stream of water from a faucet.
- Soda Can Fizz
Hypothesis – I expect that dropping a mentos candy into a soda can will cause fizzing.
- Tornado Tube
Hypothesis – I believe that connecting two plastic bottles with a tornado tube will create a vortex.
- Magnetic Attraction and Distance
Hypothesis – I predict that magnets will attract objects from varying distances.
- Heat Absorption by Colors
Hypothesis – I think that objects of different colors will absorb heat differently under sunlight.
- Lemon Battery Power
Hypothesis – I expect that a lemon battery can power a small LED light.
- Strawberry DNA Extraction
Hypothesis – I believe I can extract DNA from strawberries using common household items.
- Marshmallow Density
Hypothesis – I predict that marshmallows of different shapes and sizes have different densities.
- Balloon-Powered Windmill
Hypothesis – I think a windmill with balloons will turn when exposed to air.
- Spinning Colors
Hypothesis – I expect that spinning a color wheel will create the illusion of blending colors.
- Sound and Vibration
Hypothesis – I predict that different objects will create different sounds when struck and vibrate differently.
- Rock Erosion
Hypothesis – I believe that different rocks will erode at varying rates when exposed to water.
- Air Pressure and Crushed Can
Hypothesis – I expect that changing air pressure will crush an empty can.
- Straw Flute
Hypothesis – I think that cutting and blowing through a straw can produce musical notes.
- Bottle Rocket
Hypothesis – I predict that a bottle rocket filled with water and pressurized air will launch into the air.
- Fruit Electricity
Hypothesis – I believe that different fruits can produce electricity using simple circuits.
- Melting Snow and Ice
Hypothesis – I expect that different substances can help melt snow and ice at varying rates.
- Plant Growth in Different Soils
Hypothesis – I think that different soils will affect the growth of plants differently.
- Static Electricity and Salt and Pepper
Hypothesis – I predict that salt and pepper can be moved with static electricity.
- Floating Paperclip
Hypothesis – I expect that surface tension can make a paperclip float on water.
- Crayon Melt Art
Hypothesis – I believe that crayons will melt and create art when heated.
- Balloon-Powered Hovercraft
Hypothesis – I predict that a hovercraft powered by balloons will glide over a smooth surface.
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Importance Of 5th Grade Science Project Ideas With Hypothesis For Students
In this section, we will discuss the importance of 5th grade science project ideas with hypothesis for students:
1. Hands-On Learning
5th-grade science projects with hypotheses offer students a chance to learn through doing. They get to experiment, make predictions, and see the real-world results. This hands-on approach helps students grasp scientific concepts better.
2. Critical Thinking
These projects encourage critical thinking. Students have to come up with educated guesses (hypotheses) and then analyze their experiments’ outcomes. It teaches them to think logically and solve problems.
3. Curiosity and Exploration
Science projects fuel curiosity. They allow students to explore topics they find interesting, making learning more engaging. This curiosity can spark a lifelong interest in science.
4. Application of Knowledge
The things that students have learned in school can be used in real life. It helps them understand that science is not just in books, but all around them. This makes their education more useful.
5. Confidence Building
Successfully completing a science project with a hypothesis can boost a student’s confidence. They see that they can tackle challenging tasks and find solutions. This confidence can extend to other areas of their education and life.
Understanding what makes a good hypothesis is the first step in any 5th-grade science project with a hypothesis. It’s all about making educated guesses and having clear if-then statements. Remember to choose a project that matches your interest, is safe, and fits your grade level. With over 120 exciting 5th-grade science project ideas with hypothesis, you have a world of possibilities to explore.
Moreover, these projects offer hands-on learning, boost critical thinking, and ignite curiosity. They let you apply what you’ve learned in school to real life. Completing these projects can build your confidence, showing that you can tackle challenges and make discoveries. So, dive into the world of 5th-grade science project ideas with hypothesis and start your exciting scientific journey!
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5th Grade Science Project Ideas with Hypothesis
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Are you a 5th grader on a quest to discover the wonders of science? Well, you’re in luck! We’ve compiled a list of the top 100 5th grade science project ideas with hypothesis to help you embark on your scientific journey. These projects are not only fun but also educational, giving you the opportunity to learn while having a blast.
Science projects are a great way to explore your curiosity, test hypotheses, and better understand the world around you. So, let’s dive right into our list of exciting science project ideas and start making hypotheses!
Top 100 5th Grade Science Project Ideas with Hypothesis
1. The Color-Changing Milk Hypothesis:
Hypothesis: Mixing milk, dish soap, and food coloring will create a mesmerizing display of color.
2. The Vinegar and Baking Soda Volcano Hypothesis:
Hypothesis: When vinegar reacts with baking soda, it will create a volcanic eruption.
3. The Seed Germination Hypothesis:
Hypothesis: Different types of seeds will germinate at different rates.
4. The Balloon Rocket Hypothesis:
Hypothesis: Launching a balloon rocket will demonstrate Newton’s third law of motion.
5. The Lemon Battery Hypothesis:
Hypothesis: A lemon can be used to generate electricity and power a small LED light.
6. The Egg Drop Experiment Hypothesis:
Hypothesis: Creating a protective structure for an egg will prevent it from breaking when dropped from a height.
7. The Water Cycle in a Bag Hypothesis:
Hypothesis: By creating a closed system in a bag, you can observe the water cycle in action.
8. The Solar System Model Hypothesis:
Hypothesis: Building a model of the solar system will help understand the arrangement of planets and their sizes.
9. The Density Tower Hypothesis:
Hypothesis: Liquids with different densities can be layered in a container, forming a colorful tower.
10. The Magnetic Slime Hypothesis:
Hypothesis: Mixing magnetic particles with slime will result in a magnetic slime that can be controlled with a magnet.
11. The Paper Airplane Hypothesis:
Hypothesis: Different designs of paper airplanes will have different flight patterns.
12. The Rainbow in a Jar Hypothesis:
Hypothesis: Layering liquids of different densities in a jar will create a colorful rainbow effect.
13. The Homemade Compass Hypothesis:
Hypothesis: A homemade compass can accurately determine the direction of the Earth’s magnetic field.
14. The Germs on Surfaces Hypothesis:
Hypothesis: Different surfaces may harbor varying amounts of germs, and some may be cleaner than others.
15. The Pendulum Experiment Hypothesis:
Hypothesis: The length of a pendulum affects the time it takes to swing back and forth.
16. The Water Filtration Hypothesis:
Hypothesis: Various materials can be used to filter dirty water and make it clean.
17. The Lava Lamp Hypothesis:
Hypothesis: Mixing oil and water with food coloring will create a mesmerizing “lava lamp” effect.
18. The Static Electricity Hypothesis:
Hypothesis: Rubbing balloons against different materials will generate static electricity and make objects cling to them.
19. The Rainbow Paper Hypothesis:
Hypothesis: Water and sunlight can combine to create a stunning rainbow on white paper.
20. The Music and Plant Growth Hypothesis:
Hypothesis: Playing different types of music to plants will affect their growth patterns.
21. The Vinegar and Eggshell Experiment Hypothesis:
Hypothesis: Soaking an eggshell in vinegar will demonstrate the effects of acid on calcium.
22. The Moldy Bread Hypothesis:
Hypothesis: Bread exposed to different conditions will develop mold at varying rates.
23. The Potato Battery Hypothesis:
Hypothesis: Potatoes can be used to generate electricity and power a small digital clock.
24. The Dissolving Candy Hypothesis:
Hypothesis: Different types of candy will dissolve at varying speeds in water.
25. The Osmosis in Gummy Bears Hypothesis:
Hypothesis: Gummy bears placed in different solutions will absorb or release water, changing their size.
26. The Melting Ice Hypothesis:
Hypothesis: Various substances, such as salt or sugar, can be used to melt ice at different rates.
27. The Color-Changing Carnations Hypothesis:
Hypothesis: Carnations can absorb colored water, changing the color of their petals.
28. The Rock Candy Experiment Hypothesis:
Hypothesis: Crystals can be grown on a string by dissolving sugar in water.
29. The Invisible Ink Hypothesis:
Hypothesis: Writing with invisible ink will reveal a hidden message when exposed to heat.
30. The Magic Milk Hypothesis:
Hypothesis: Swirling dish soap on the surface of milk will create beautiful, colorful patterns.
31. The Egg in a Bottle Hypothesis:
Hypothesis: An egg can be placed inside a bottle without breaking it using heat and air pressure.
32. The Popcorn Popping Hypothesis:
Hypothesis: Popcorn kernels will pop when heated due to the buildup of pressure inside.
33. The Density of Liquids Hypothesis:
Hypothesis: Different liquids have different densities, which can be determined by their ability to float or sink in each other.
34. The Lemonade Stand Profit Hypothesis:
Hypothesis: Running a lemonade stand on different days will yield varying levels of profit.
35. The Homemade Stethoscope Hypothesis:
Hypothesis: A homemade stethoscope can be used to listen to different sounds within the body.
36. The Salt and Ice Experiment Hypothesis:
Hypothesis: Salt can be used to lower the freezing point of ice, allowing you to create ice sculptures.
37. The pH of Household Substances Hypothesis:
Hypothesis: Different household substances will have varying pH levels, and they can be tested using pH strips.
38. The Rainbow Fire Hypothesis:
Hypothesis: Burning different metal salts will produce colorful flames.
39. The Raisins and Soda Hypothesis:
Hypothesis: Raisins placed in a glass of soda will exhibit a dancing effect as they move up and down.
40. The Paper Chromatography Hypothesis:
Hypothesis: Different colors in markers can be separated by capillary action on paper.
41. The Slime Time Hypothesis:
Hypothesis: Mixing glue and Borax solution will create a stretchy, gooey slime.
42. The Skittles Rainbow Hypothesis:
Hypothesis: Placing different colored Skittles in water will create a colorful rainbow pattern.
43. The Magic Sand Hypothesis:
Hypothesis: Magic sand repels water and can be used to create underwater structures.
44. The Baking Soda and Vinegar Balloons Hypothesis:
Hypothesis: Inflating balloons with the gas produced by the reaction between baking soda and vinegar.
45. The Water and Oil Experiment Hypothesis:
Hypothesis: Water and oil do not mix, and their separation can be observed in a homemade lava lamp.
46. The Solar Oven Hypothesis:
Hypothesis: A homemade solar oven can be used to cook food using sunlight.
47. The Fizzing Lemonade Hypothesis:
Hypothesis: Mixing lemonade with baking soda will create a fizzing, carbonated drink.
48. The Magnet Maze Hypothesis:
Hypothesis: Creating a maze with hidden magnets and using a magnetic wand will lead to exciting discoveries.
49. The Glow-in-the-Dark Slime Hypothesis:
Hypothesis: Glow-in-the-dark paint can be added to slime to make it illuminate in the dark.
50. The Crystal Snowflakes Hypothesis:
Hypothesis: Borax crystals can be grown on pipe cleaners in the shape of snowflakes.
51. The Wind Speed Hypothesis:
Hypothesis: Different shapes and sizes of windmills will affect the speed at which they spin.
52. The Paper Towel Experiment Hypothesis:
Hypothesis: Paper towels from different brands will have varying absorption capabilities.
53. The Fruit Battery Hypothesis:
Hypothesis: Various fruits can be used to generate electricity and power a small LED light.
54. The Growing Beans Hypothesis:
Hypothesis: Growing beans under different conditions, like sunlight and water, will affect their growth.
55. The Mentos and Soda Explosion Hypothesis:
Hypothesis: Dropping Mentos candy into soda will create a spectacular eruption.
56. The Tooth Decay Experiment Hypothesis:
Hypothesis: Different drinks will lead to varying levels of tooth decay when teeth are soaked in them.
57. The Rainbow Sugar Water Hypothesis:
Hypothesis: Sugar water can be used to create colorful rainbow layers.
58. The Fingerprint Analysis Hypothesis:
Hypothesis: Each person’s fingerprint is unique, and it can be analyzed and compared.
59. The Oil Spill Cleanup Hypothesis:
Hypothesis: Different materials can be used to clean up an oil spill, and their effectiveness can be tested.
60. The pH of Soil Hypothesis:
Hypothesis: Different types of soil will have varying pH levels, which can affect plant growth.
61. The Lemon Juice Clock Hypothesis:
Hypothesis: Lemon juice can be used to power a clock with the help of electrodes.
62. The Separation of Mixtures Hypothesis:
Hypothesis: Various mixtures can be separated into their individual components using different methods.
63. The Soundproofing Experiment Hypothesis:
Hypothesis: Different materials can be used to soundproof a room, and their effectiveness can be tested.
64. The Potato Clock Hypothesis:
Hypothesis: Potatoes can be used to power a clock with the help of electrodes.
65. The Growing Crystals Hypothesis:
Hypothesis: Mixing water and sugar or salt will result in the formation of crystals.
66. The Toothpick Bridge Hypothesis:
Hypothesis: Building bridges with toothpicks and glue will demonstrate the principles of engineering and physics.
67. The Egg Floatation Hypothesis:
Hypothesis: The density of water can be changed by adding salt, causing an egg to float.
68. The Homemade Lava Lamp Hypothesis:
Hypothesis: A homemade lava lamp can be created using oil, water, and an effervescent tablet.
69. The Cornstarch and Water Experiment Hypothesis:
Hypothesis: Mixing cornstarch and water will create a substance that behaves like both a solid and a liquid.
70. The Magnetic Field Hypothesis:
Hypothesis: Different objects will be attracted or repelled by a magnet’s magnetic field.
71. The Coin Cleaning Hypothesis:
Hypothesis: Various methods can be used to clean old, tarnished coins.
72. The Paper Bridge Hypothesis:
Hypothesis: Building bridges with sheets of paper will test their strength and weight-bearing capacity.
73. The Homemade Volcano Hypothesis:
Hypothesis: A homemade volcano model can erupt with the help of baking soda and vinegar.
74. The Earthquake Simulation Hypothesis:
Hypothesis: Simulating an earthquake by shaking a container of sand will demonstrate the principles of seismic activity.
75. The Water Surface Tension Hypothesis:
Hypothesis: Different liquids will affect the surface tension of water, causing objects to float or sink.
76. The Vinegar and Egg Experiment Hypothesis:
Hypothesis: Soaking an egg in vinegar will cause it to swell and change in texture.
77. The Fireproof Balloon Hypothesis:
Hypothesis: A balloon can be made fireproof by filling it with water.
78. The Rainbow Fireworks Hypothesis:
Hypothesis: Burning different metal salts will create a beautiful and colorful fireworks display.
79. The Mystery Substance Hypothesis:
Hypothesis: A mystery substance can be identified by testing its properties, such as solubility and conductivity.
80. The Geyser Eruption Hypothesis:
Hypothesis: Mixing Mentos candy with soda will create a geyser-like eruption.
81. The Floating Orange Hypothesis:
Hypothesis: An orange can be made to float in water by changing the amount of salt in the water.
82. The Paper Cup Telephone Hypothesis:
Hypothesis: A simple telephone can be made using two paper cups and string, allowing for communication over a distance.
83. The Ice Cube Race Hypothesis:
Hypothesis: Different shapes of ice cubes will melt at varying rates.
84. The Lemon Volcano Hypothesis:
Hypothesis: A lemon can be turned into a volcano by adding baking soda and creating a fizzy eruption.
85. The Light and Plant Growth Hypothesis:
Hypothesis: Plants require different amounts of light for growth, and this can be tested using different light sources.
86. The Raisin Dance Hypothesis:
Hypothesis: Raisins will “dance” in a glass of soda due to the carbonation.
87. The Rainbow Density Tower Hypothesis:
Hypothesis: Liquids with different densities can be layered in a container, forming a colorful density tower.
88. The Rainbow Slime Hypothesis:
Hypothesis: Mixing various colors of slime will create a mesmerizing rainbow effect.
89. The Static Electricity Balloons Hypothesis:
Hypothesis: Rubbing balloons against different materials will generate static electricity, making them cling to each other.
90. The Solar Eclipse Model Hypothesis:
Hypothesis: Building a model of a solar eclipse will help understand the alignment of the Earth, Moon, and Sun.
91. The Chemical Reaction Hypothesis:
Hypothesis: Mixing two or more chemicals will result in a visible chemical reaction.
92. The Heat Conduction Hypothesis:
Hypothesis: Different materials will conduct heat at varying rates, which can be tested using a hot plate.
93. The Acid Rain Hypothesis:
Hypothesis: Simulating acid rain by spraying vinegar on plant leaves will show its harmful effects.
94. The Growing Gummy Bears Hypothesis:
Hypothesis: Gummy bears placed in water will absorb it, growing in size.
95. The Weather Forecast Hypothesis:
Hypothesis: Creating a homemade weather station will allow you to predict the weather based on observations.
96. The Colorful Ice Hypothesis:
Hypothesis: Adding food coloring to water before freezing it will result in colorful ice cubes.
97. The Crystal Garden Hypothesis:
Hypothesis: Growing crystals in a container filled with a super-saturated solution will create a crystal garden.
98. The Colorful Eggshells Hypothesis:
Hypothesis: Coloring eggshells with different substances will create vibrant, colorful shells.
99. The Balancing Act Hypothesis:
Hypothesis: Creating a balance scale with household items will help understand the concept of weight and balance.
100. The Invisible Force Hypothesis:
Hypothesis: Demonstrating the force of magnetism by testing objects for their magnetic properties.
Final Words
These are just a few of the exciting 5th grade science project ideas with hypothesis. Remember that the key to a successful science project is to start with a clear hypothesis, conduct experiments carefully, and document your findings. Whether you’re exploring the mysteries of chemistry, physics, biology, or environmental science, these projects are a fantastic way to learn and have fun at the same time.
So, gather your materials, make your hypotheses, and get ready to dive into the fascinating world of science. Who knows, you might even discover something new and groundbreaking along the way!
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Hypothesis Examples
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A hypothesis is a prediction of the outcome of a test. It forms the basis for designing an experiment in the scientific method . A good hypothesis is testable, meaning it makes a prediction you can check with observation or experimentation. Here are different hypothesis examples.
Null Hypothesis Examples
The null hypothesis (H 0 ) is also known as the zero-difference or no-difference hypothesis. It predicts that changing one variable ( independent variable ) will have no effect on the variable being measured ( dependent variable ). Here are null hypothesis examples:
- Plant growth is unaffected by temperature.
- If you increase temperature, then solubility of salt will increase.
- Incidence of skin cancer is unrelated to ultraviolet light exposure.
- All brands of light bulb last equally long.
- Cats have no preference for the color of cat food.
- All daisies have the same number of petals.
Sometimes the null hypothesis shows there is a suspected correlation between two variables. For example, if you think plant growth is affected by temperature, you state the null hypothesis: “Plant growth is not affected by temperature.” Why do you do this, rather than say “If you change temperature, plant growth will be affected”? The answer is because it’s easier applying a statistical test that shows, with a high level of confidence, a null hypothesis is correct or incorrect.
Research Hypothesis Examples
A research hypothesis (H 1 ) is a type of hypothesis used to design an experiment. This type of hypothesis is often written as an if-then statement because it’s easy identifying the independent and dependent variables and seeing how one affects the other. If-then statements explore cause and effect. In other cases, the hypothesis shows a correlation between two variables. Here are some research hypothesis examples:
- If you leave the lights on, then it takes longer for people to fall asleep.
- If you refrigerate apples, they last longer before going bad.
- If you keep the curtains closed, then you need less electricity to heat or cool the house (the electric bill is lower).
- If you leave a bucket of water uncovered, then it evaporates more quickly.
- Goldfish lose their color if they are not exposed to light.
- Workers who take vacations are more productive than those who never take time off.
Is It Okay to Disprove a Hypothesis?
Yes! You may even choose to write your hypothesis in such a way that it can be disproved because it’s easier to prove a statement is wrong than to prove it is right. In other cases, if your prediction is incorrect, that doesn’t mean the science is bad. Revising a hypothesis is common. It demonstrates you learned something you did not know before you conducted the experiment.
Test yourself with a Scientific Method Quiz .
- Mellenbergh, G.J. (2008). Chapter 8: Research designs: Testing of research hypotheses. In H.J. Adèr & G.J. Mellenbergh (eds.), Advising on Research Methods: A Consultant’s Companion . Huizen, The Netherlands: Johannes van Kessel Publishing.
- Popper, Karl R. (1959). The Logic of Scientific Discovery . Hutchinson & Co. ISBN 3-1614-8410-X.
- Schick, Theodore; Vaughn, Lewis (2002). How to think about weird things: critical thinking for a New Age . Boston: McGraw-Hill Higher Education. ISBN 0-7674-2048-9.
- Tobi, Hilde; Kampen, Jarl K. (2018). “Research design: the methodology for interdisciplinary research framework”. Quality & Quantity . 52 (3): 1209–1225. doi: 10.1007/s11135-017-0513-8
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100+ Easy & FUN Science Fair Project Ideas
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Looking for FUN science projects for kids ? Science is one of our favorite subjects around here. I have a huge list of over 100 easy science experiments for kids. You can use these classic science fair ideas when helping your child create their next science fair project. Kids will love these fun projects and experiments!
![science project ideas hypothesis 100 Fun and Easy Science Fair Project Ideas for kids](https://teachbesideme.com/wp-content/uploads/2018/11/100-Fun-Science-Fair-Project-Ideas.png)
See my Scientific Method Worksheets and Posters to help teach the process of the scientific method including these 6 steps:
- Ask a question
- Make a hypothesis
- Record Data
These science fair project ideas can be used for may grade levels including elementary school aged kids, middle school aged kids and some would even work for high school. Many of these science activities are quick and easy to put together and will not break the bank either.
I divided the science fair project ideas out the best I could by topic and category for you. That way if there is a certain interest, you can find just what you are looking for. You will find science fair experiment ideas in biology, physics, chemistry, electricity, magnetism, earth science, and more!
All of these simple experiment ideas can be used in some way to create an awesome science fair project. Most are from my site, but many are from some other great bloggers! Click the links to get instructions and demonstrations on how these projects work.
Want more ideas? See also my post with 200 + Elementary STEM Projects .
Easy Energy and Physics Science Fair Projects
Kinetic Energy with Rubber Band Boats – this science project is a blast to create with kids!
Kinetic Energy- Shooting Star Spinner – This is a fun one on kinetic and potential energy
Kinetic Energy Gravity Spinner – Do this experiment to show gravity!
![science project ideas hypothesis Candle Seesaw Science STEM project](https://teachbesideme.com/wp-content/uploads/2018/05/Candle-Seesaw-Science-STEM-project-297x400.jpg)
Perpetual Motion Candle See Saw – This is a cool way to learn about motion!
How Does a String Telephone Work? ~Raising Life Long Learners
Which Cup Will Keep Water Cold the Longest? ~ Really, Are you Serious?
Light Refraction Science Experiment ~ Look We’re Learning
Heat Conduction Experiment ~ Look We’re Learning
Color Changing Sensory Bottle ~ The Science Kiddo
Exploring Magnetic Fields
![science project ideas hypothesis Magnet Pendulum - STEM Experiment](https://teachbesideme.com/wp-content/uploads/2016/08/Magnet-Pendulum-STEM-Experiment-261x400.jpg)
Magnet Pendulum
Levitating Magnets
Train Chain Reactions
Static Electricity Slime
What are Electrolytes?
Color and Light Reflection and Refraction Experiments
Simple Machines- Gears
Light Box Magic ~ True Aim Education
Balloon Air Pressure Experiment ~ Darcy and Brian
Make A Giant Catapult
Technology & Mechanical Science Projects for Kids
Is it Conductive? – test different objects to see if they conduct electricity.
How to Make a Coin Battery – use coins to power a light!
![science project ideas hypothesis lemon battery science project for kids](https://teachbesideme.com/wp-content/uploads/2016/03/How-to-Make-a-Lemon-Battery-400x300.jpg)
How to Make a Lemon Battery – the power of lemon juice is pretty amazing.
What to Make a Dirt Battery – a battery out of dirt? yup!
How do you Make a Potato Battery? ~from STEAM Powered Family
![science project ideas hypothesis Story book STEM- Hydraulic Elevator science experiment](https://teachbesideme.com/wp-content/uploads/2018/03/Story-book-STEM-Hydraulic-Elevator-300x400.jpg)
How to Make a Hydraulic Elevator ~ Make a water powered elevator
How to Make a Bubble Blower Machine
Paper Circuits – learn about circuits and electricity with this simple project.
Solar Powered Lego Car – harness the power of the sun!
Make an EASY Water Pump Sprinkler
Chemistry Science Projects for Kids With Chemical Reactions
Cabbage Juice pH Experiment – test different chemicals and substances to see their pH levels.
![science project ideas hypothesis volcano science experiment for kids](https://teachbesideme.com/wp-content/uploads/2019/11/volcano-science-experiment-300x400.jpg)
How too Make an Erupting Volcano (with salt dough)
How Do you Clean Pennies?
Why Do Baking Soda and Vinegar React?
![science project ideas hypothesis dry ice bubble science experiment](https://teachbesideme.com/wp-content/uploads/2018/09/dry-ice-bubble-crystal-ball-400x300.jpg)
How to Make Dry Ice Bubbles
Does it Dissolve?
How Do you Grow Crystals? (borax crystals)
![science project ideas hypothesis elephant toothpaste experiment for kids](https://teachbesideme.com/wp-content/uploads/2012/03/elephant-toothpaste-300x400.jpg)
Elephant Toothpaste with Two Types of Peroxide
What is Non-Newtonian Fluid? (Oobleck Experiments)
Does it Rust? Oxidation Experiment
Rainbow Absorption
Film Canister Rockets
![science project ideas hypothesis Blooming Paper Flowers experiment in Water](https://teachbesideme.com/wp-content/uploads/2016/03/Blooming-Paper-Flowers-in-Water-400x400.jpg)
Blooming Paper Flowers
Dancing Acorns ~ Hands-on Teaching Ideas
States of Matter Experiments – solids, liquids and gases
Rubber Bouncing Egg Experiment
Color Changing Flowers Experiment ~ Messy Little Monster
Paper Burning Experiment ~ Preschool Powol Packets
How to Make a Paper Mache Erupting Volcano ~ Red Ted Art
Mentos and Soda Geysers
Anatomy Science Fair Projects
How Do Ears Work?
![science project ideas hypothesis Human Anatomy with Play Dough](https://teachbesideme.com/wp-content/uploads/2016/06/Screen-Shot-2016-06-21-at-3.50.08-PM.png)
Play Dough Anatomy
Animal Digestion Experiment ~ Schooling a Monkey
Why We Need Muscles & Bones ~ I Can Teach My Child
How Do Lungs Work? ~ Sciene Sparks
DNA Experiment
Earth Science and Nature Science Fair Projects
How do Earthquakes Happen ?
Can You Build a House to Resist an Earthquake?
Make your Own Crystal Rock Candy Geodes
![science project ideas hypothesis Colored convection currents science experiment](https://teachbesideme.com/wp-content/uploads/2016/12/Colored-currents-square-400x400.jpg)
What are Convection Currents?
Study surface tension with Water Strider Insects
How are Rainbows made?
How to Clean Dirty Water
Geology Experiment: Stalactites and Stalagmites Formation
![science project ideas hypothesis testing water- science experiment](https://teachbesideme.com/wp-content/uploads/2017/09/testing-water-400x311.jpg)
What’s In My Water?
What are Shells Made of?
How Can We Stay Dry During the Rain ~ Pink Stripey Socks
What Surfaces in my House are the Dirtiest? Mold Science
Density Experiment with different liquids, also tests buoyancy!
![science project ideas hypothesis leaf chromatography science project for kids](https://teachbesideme.com/wp-content/uploads/2013/10/IMG_2681-400x300.jpg)
Why Do Leaves Change Colors? Leaf Chromatography Experiment
Rising Tide Experiment
Soda Bottle Compost ~ Busy Mommy Media
Build a Sun Shelter ~ Buggy and Buddy
Hurricane Model Experiment ~Preschool Powol Packets
Easy Condensation Experiment – Look We’re Learning
Salt Water Density Experiment ~ The Science Kiddo
Plant Science- Observing Bulb Growth ~Buggy and Buddy
How to Make a Compass ~ Parenting Chaos
Why do Pinecones Open & Close? ~ Parenting Chaos
![science project ideas hypothesis Leaf Transpiration science Experiment](https://teachbesideme.com/wp-content/uploads/2015/09/Leaf-Transpiration-Experiment-278x400.jpg)
Leaf Transpiration Experiment – how leaves breathe, use a plastic bag to collect the moisture from a tree.
Pumpkin Petri Dishes ~ Hands-on Teaching Ideas
Rainy Day Science – learn about filtering rain water
Making a Solar Still – harness the power of the sun with this cool science experiment!
Make Your Own Human Sun Dial
How are Sedimentary Rocks & Fossils Made?
How Do Sharks Float? ~ Preschool Powol Packets
![science project ideas hypothesis Square Bubbles](https://teachbesideme.com/wp-content/uploads/2013/11/square-Bubbles-300x400.jpg)
How to Make Square Bubbles
What Soil is Best for Growing Seeds? ~ Schooling a Monkey
Simple Food Science Fair Project Ideas
Want a food-based science fair project? These ideas are fun and edible, too! Who doesn’t love learning with food?
Food Science: Make a Loaf of Bread in a Bag
Why Does Gelatin Not Set with Certain Fruits ?
What Foods will Grow the most Mold?
![science project ideas hypothesis kitchen chemistry cake experiment](https://teachbesideme.com/wp-content/uploads/2014/07/kitchen-chemistry-cake-experiment-400x266.jpg)
Cake Chemistry Experiment
Popcorn and Salt Science Experiment ~ Awe Filled Homemaker
What Prevents Apples from Browning?
How to Make Plastic with Gelatin ~ STEAM Powered Family
Melting Ice Science Experiment ~ The Chaos and the Clutter
Pie Crust Experiment
![science project ideas hypothesis Food Chemistry Turn Juice into Noodles! science experiment](https://teachbesideme.com/wp-content/uploads/2016/02/Food-Chemistry-Turn-Juice-into-Noodles-267x400.jpg)
Food Chemistry~ Turn Juice into Noodles !
Green Eggs Food Chemistry (no food coloring required!)
How Strong are Eggs? ~ Hands-On Teaching Ideas
Make Solar S’mores
Hot Chocolate Science Experiment ~ Creative Family Fun
Bread Mold Science Project ~ Schooling a Monkey
Other Fun & Easy Science Project Ideas
Toilet Paper Comparisons ~ Pink Stripey Socks
Egg Drop Challenge
Press n’ Seal vs. Saran Wrap
Hockey Science Experiment ~ Creative Family Fun
I hope you found an idea that will work for your little scientists next science fair project. I’d love to hear what you did and see pictures of the finished project!
Former school teacher turned homeschool mom of 4 kids. Loves creating awesome hands-on creative learning ideas to make learning engaging and memorable for all kids!
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Science Project Ideas
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Gummy Bear Experiment
The gummy bear experiment is a fun activity that teaches the basic concept of osmosis to the little ones in an easy manner. They will also be thrilled at the idea that their favorite gummy bears could teach them a lesson or two in science.
![science project ideas hypothesis Gummy Bear Experiment](https://www.scienceprojectideas.org/wp-content/uploads/2015/11/Gummy-Bear-Experiment-300x225.jpg)
Gummy Bear Science Project Instructions
Hypothesis for growing/shrinking gummy bears.
When a gummy bear is placed in a hypotonic solution (e.g. water) then it will increase in mass and volume. On the other hand, its mass and volume decrease when placed in a hypertonic solution (e.g. salt water). Hypertonic refers to a higher concentration of solutes and hypotonic is just the reverse.
Things Needed
- Physical balance or digital weighing machine
- Sieve, plastic fork or screen
- Graph paper
- Measure the dimensions (length, breadth and height) of the bear with a scale. Measure its mass with the balance.
- Fill the bowl with water.
- Completely immerse the gummy bear in the water.
- Let the bowl sit overnight in a place away from direct sunlight.
- Next day, lift the bear from the water with a plastic fork, sieve or screen.
- Record the dimensions and mass of the bear again.
- Do the same observation each day for a couple of days more.
- Plot a graph with the time in hours along the X-axis (the dependent variable) and the mass or weight of the gummy bear along the Y-axis (independent variable). Check the nature of the graph.
Things You Can Try
- Set up a series of bowls on the table and fill them with different solutions like that of baking soda, vinegar, salt, distilled water, etc. Make similar observations as above for each one of them. Compare your results.
- Also, check if the taste and/or color of the bears have changed.
![science project ideas hypothesis Gummy Bear Experiment Osmosis](https://www.scienceprojectideas.org/wp-content/uploads/2015/11/Gummy-Bear-Experiment-Osmosis-300x200.jpg)
Gummy Bear Osmosis Video
How does it work.
The ingredients of gummy bears are sugar, water, and gelatin, with little water content. Due to the process of osmosis, i.e., the movement of water molecules through a selectively permeable membrane from an area of high concentration to that of a lower concentration, the bear starts to grow. However, it doesn’t get dissolved as the gelatin is insoluble in water.
On trying out the different ideas, you will find that the degree of expansion of the candy depends on the liquid on which it is kept. However, vinegar, which is actually an acid, can dissolve the candy .
This simple trick can prove to be a cool science fair idea. The kids will be enthralled to display their knowledge to the audience in a fun way.
References:
https://biozone.weebly.com/uploads/2/7/4/2/274298/gummy_bear_osmosis.pdf
https://tinkerlab.com/incredible-growing-gummy-bears/
https://www.childrensmuseum.org/blog/saturday-science-growing-gummy-bears
https://www.homeschool.com/blog/index.php/2014/04/homeschool-science-gummy-bear-osmosis/
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99+ Easy 5th Grade Science Project Ideas with Hypothesis
Let’s join 5th-grade students on a journey into the world of science with the help of easy 5th grade science project ideas with hypothesis! We’re diving into fun experiments that make learning a blast. In this article, we’ll explore some cool science project ideas with hypotheses.
These projects aren’t just about having fun; they’re also about sparking curiosity and thinking creatively. Each project comes with a hypothesis, which is like a guess that gets our brains buzzing. So, get ready for some science fun that will keep you entertained and inspired!
Table of Contents
What is a 5th Grade Science Project?
A 5th-grade science project is a fun assignment tailored for elementary school kids in their fifth year. These projects often include hands-on experiments or investigations where students can explore and use scientific ideas.
Students pick a topic, make a guess called a hypothesis, do experiments, and share what they discover. The goal is to deepen their grasp of science, boost critical thinking, and foster a passion for science early on. Plus, it helps them practice doing research on their own and solving problems along the way.
Major Benefits of Easy 5th Grade Science Project Ideas with Hypothesis
Let’s talk about why 5th-grade science projects with hypotheses are so great! These projects are awesome because:
- Hands-on Learning: You get to learn by doing fun experiments.
- Critical Thinking: They help you think smart and solve problems.
- Using Your Knowledge: You can use what you learn in class in real-life situations.
- Being Creative: You can come up with cool ideas for your experiments.
- Independence: You learn to work on your own and feel confident.
- Communication Skills: You get better at explaining your ideas.
- Love for Science: They can make you love science even more.
- Family Fun: Sometimes, your family can join in on the fun.
- Future Readiness: They prepare you for more exciting science adventures.
So, get ready to dive into these projects and have a blast learning!
Also Read: Science Fair Project Ideas for 8th Grade
List of Easy 5th Grade Science Project Ideas with Hypothesis
Here are easy 5th grade science project ideas with hypothesis for students in 2023:
Life Sciences
- Plant Growth: How do different types of music affect plant growth?
- Seed Germination: Do seeds germinate faster in light or darkness?
- Ant Behavior: Does temperature affect the activity of ants?
- Photosynthesis: How does the color of light impact the rate of photosynthesis in plants?
- Fruit Ripening: What factors influence the ripening of fruits?
- Mold Growth: Does temperature affect the growth of mold on bread?
- Insect Preferences: Do insects have a preference for certain colors of flowers?
- Effect of Music on Animals: Can music affect the behavior of pets like dogs or cats?
- Bee Pollination: How do different flower shapes influence bee pollination?
- Bird Feeding Preferences: Do different bird species prefer specific types of bird feed?
Earth Sciences
- Weather Patterns: How does temperature affect weather patterns?
- Soil Erosion: What factors contribute to soil erosion in your area?
- Rock Types: Does the type of rock affect the temperature of the ground?
- Rainfall and Plants : How does rainfall impact plant growth?
- Earthquake Impact: How do building materials affect a structure’s ability to withstand earthquakes?
- Water Filtration: Which materials are most effective at purifying water?
- Volcano Simulation: Create a model to simulate a volcanic eruption.
- Climate Change: Investigate the impact of human activity on global temperatures.
- Ocean Currents: How do ocean currents affect marine life and weather?
- Fossil Formation: How are fossils formed, and what can they tell us about ancient life?
Physical Sciences
- Magnet Strength: What factors affect the strength of magnets?
- Light and Color: How does the color of light affect plant growth?
- Static Electricity: What materials create the most static electricity when rubbed together?
- Balloon Rockets: Investigate the forces that make balloon rockets move.
- Sound Waves: How does the shape of a musical instrument affect the sound it produces?
- Solar Energy: Compare the efficiency of different solar cell types.
- Density and Buoyancy: Does the shape of an object affect its buoyancy in water?
- Friction and Surfaces: How do different surfaces affect the amount of friction?
- Simple Machines: Explore the mechanics of simple machines like levers and pulleys.
- Electric Circuits: Investigate how different materials affect the conductivity of an electrical circuit.
- Chemical Reactions: Investigate the reaction between baking soda and vinegar.
- Acid-Base Indicators: Test common household substances as acid-base indicators.
- Crystals: Grow crystals from different solutions and compare their growth.
- Food Preservation: Explore different methods of food preservation and their effectiveness.
- Density of Liquids: Determine the density of various liquids and their layering.
- pH Levels: Test and compare the pH levels of various household items.
- Chemical Elements: Investigate the properties and common uses of different chemical elements.
- Heat and Temperature: How does the amount of heat affect the temperature of water?
- Chemical Reactions in Cooking: Study the chemical changes that occur during cooking.
- Chemical Pollution: Investigate the effects of chemical pollution on water quality.
Environmental Sciences
- Recycling: Analyze the effectiveness of recycling programs in your community.
- Air Quality: Test and compare the air quality in different locations.
- Composting: Study the decomposition rate of different compost materials.
- Pollution and Plant Growth: How does pollution affect plant health?
- Water Conservation: Investigate strategies for conserving water in daily life.
- Energy Efficiency: Compare the energy efficiency of different household appliances.
- Invasive Species: Research the impact of invasive species on local ecosystems.
- Climate and Wildlife: Study how climate change affects local wildlife populations.
- Water Pollution: Investigate the sources and effects of water pollution in your area.
- Waste Reduction: Explore ways to reduce household waste and its environmental impact.
- Solar System Models: Create a scale model of the solar system.
- Phases of the Moon: Track and explain the phases of the moon.
- Starry Night Sky: Observe and document the stars and constellations in your area.
- Planet Research: Investigate the characteristics of a specific planet in our solar system.
- Eclipse Predictions: Predict and observe solar or lunar eclipses.
- Asteroid Impacts: Study the history of asteroid impacts on Earth.
- Telescope Optics: Explore the optics of different types of telescopes.
- Light Pollution: Investigate the impact of light pollution on stargazing.
- Black Holes : Learn about black holes and their role in the universe.
- Space Exploration: Research and present on a space mission or spacecraft.
- Animal Behavior: Observe and document the behavior of a specific animal species.
- Animal Adaptations: Study how animals have adapted to their environments.
- Life Cycles: Investigate the life cycles of insects or amphibians.
- Endangered Species: Research and raise awareness about an endangered species.
- Habitat Study: Explore the different habitats in your local area and the species that inhabit them.
- Animal Tracks: Identify and track animals through their footprints or signs.
- Animal Senses: Investigate the sensory capabilities of animals.
- Migration Patterns: Study the migration patterns of birds or other animals.
- Animal Camouflage: Explore how animals use camouflage to hide from predators.
- Insect Diversity: Collect and identify various insect species in your area.
- Leaf Identification: Identify and classify different tree leaves in your area.
- Germination and Light: How does light affect seed germination in different plant species?
- Plant Reproduction: Investigate the reproduction methods of specific plants.
- Aquatic Plants: Study the growth of plants in aquatic environments.
- Fruit Dispersal: Explore the methods by which plants disperse their seeds.
- Plant Diseases: Investigate common diseases affecting plants and their treatments.
- Soil pH and Plants: How does soil pH affect the growth of different plants?
- Invasive Plants: Research the impact of invasive plant species on local ecosystems.
- Leaf Surface Area: Measure and compare the surface area of leaves from different plants.
- Photosynthesis and Leaf Color: Explore the relationship between leaf color and photosynthesis.
- Projectile Motion: Study the trajectory of objects in motion.
- Newton’s Laws: Investigate and demonstrate Newton’s three laws of motion.
- Buoyancy and Ships: Build a model boat and explore the principles of buoyancy.
- Magnetic Levitation: Create a simple magnetic levitation device and explain how it works.
- Heat Transfer: Study how different materials conduct heat.
- Sound and Resonance: Investigate how sound waves create resonance in different objects.
- Electricity and Magnetism: Explore the relationship between electricity and magnetism.
- Motion and Gravity: Analyze how gravity affects the motion of objects.
- Optics and Reflection: Study the reflection of light using mirrors and other surfaces.
- Simple Harmonic Motion: Explore pendulum motion and oscillations .
Social and Behavioral Sciences
- Social Media and Self-Esteem: Investigate the impact of social media on self-esteem.
- Peer Pressure: Study how peer pressure influences decision-making in children.
- Stereotypes and Biases: Explore the existence of stereotypes and biases in your community.
- Study of Emotions: Investigate how different stimuli affect human emotions.
- Bullying and its Effects: Analyze the effects of bullying on the mental and emotional well-being of students.
- Memory and Recall: Research memory retention and the factors affecting recall.
- Altruism vs. Selfishness: Conduct experiments to understand human behavior in helping others.
- Music and Mood: Investigate how music choices impact mood and emotions.
- Gender Roles in Media: Analyze how media portrays gender roles and stereotypes.
- Media Consumption and Behavior: Explore the relationship between media consumption and behavior in children.
These easy 5th grade science project ideas with hypothesis cover a wide range of topics and provide opportunities for students to explore the world around them while developing their scientific and research skills. Enjoy your scientific journey!
In summary, easy 5th-grade science projects with hypotheses are not just educational assignments; they’re gateways to a world of wonder and exploration. They serve as bridges connecting young minds to the captivating realm of science. These hands-on experiments go beyond textbooks, allowing students to experience and understand the mysteries of the natural world firsthand.
These projects do more than teach scientific concepts; they ignite curiosity and foster a deep love for discovery. What makes them beautiful is the questions they spark, the critical thinking they encourage, and the joy of finding answers. So, as you embark on these scientific journeys, remember to embrace those questions, nurture your curiosity, and above all, enjoy the excitement of exploring science. After all, science is an endlessly fascinating journey of discovery and learning
FAQs (Easy 5th Grade Science Project Ideas with Hypothesis)
1. are these projects safe for 5th graders to do on their own.
Absolutely! These projects use common household items and are designed with safety in mind. However, adult supervision is always a good idea.
2. Can I use these projects for a science fair?
Yes, many of these projects make great science fair entries. Be sure to follow your school’s guidelines for project submissions.
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VanCleave's Science Fun
Your Guide to Science Projects, Fun Experiments, and Science Research
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Science Project: Slime/Hypothesis
By Janice VanCleave
![science project ideas hypothesis](https://scienceprojectideasforkids.com/wp-content/uploads/2010/05/slime-glitter-glue.jpg)
A hypothesis is your guess about the answer to the project question. This is not a “wild” guess. You need to have a good reason for the hypothesis you state.
Project Question
1. If two solution, glue and borax, are mixed, what effect would the viscosity of the glue used have on the viscosity of the slime ?
independent variable: viscosity of glue
dependent variable: viscosity of slime
Project Hypothesis
1. Viscosity measures how easy something flows. Glues that are thick and slow to flow will produce thick, slow flowing slime.
2. Viscosity is the resistance to flowing, so the more viscous the glue the more viscous will be the slime.
Step 6 : Experiment
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- Science Fair Project Ideas for Kids, Middle & High School Students ⋅
Experiment Ideas Using the Scientific Method
![science project ideas hypothesis All scientific experiments begin with a question.](https://img-aws.ehowcdn.com/360x267p/photos.demandstudios.com/getty/article/110/228/87651028.jpg)
High School Science Experiments With Plants
The scientific method is a process that investigates a problem. It is made up of four components: hypothesis, experiment, observation and conclusion. The hypothesis is the explanation of the problem and is a proposal to be tested; the experiment is the procedure used to test the hypothesis; the observation is the data gathered during the experiment; and the conclusion is whether the hypothesis is valid based on what was observed. These scientific method steps represent a powerful tool to determine whether an assumption is correct or not. The following scientific method experiment ideas demonstrate how the scientific method can be used.
Oil Spill Effects on Aquatic Plants
A possible hypothesis regarding the problems with oil spills is, "Oil has a negative effect on aquatic plants." To test the hypothesis using scientific method steps, aquatic plants have to be exposed to oil and the results observed. Fill two test tubes and two beakers with water. Place two hydrilla plants into the two beakers, one in each. Then invert the test tubes, covering the ends with your thumb so they don't spill, and place one into each beaker, removing your thumb as the mouth of the test tube meets the surface of the water. Insert the tops of the plants into the test tubes, without letting the water out, and lean the tubes against the edges of the beakers. Place the beakers side by side on a window sill.
Pour an ounce of motor oil into one of the beakers and note the effect on the appearance of the plants and on the amount of oxygen that collects in the test tubes. Based on these observations, conclude that the oil has a negative effect on the plants or not. Try the same experiment with different amounts of oil to find out how much oil is needed to have an effect on the plants.
Plant Growth and Fertilizers
A hypothesis investigating farming practices could be, "Fertilizers make plants grow more quickly." To test this hypothesis plant two mung beans in two pots and place side by side on a window sill. Add fertilizer to one pot and then equally water the two pots on a regular basis.
After the beans form leaves and start growing, measure and record the height of each plant daily for at least a week. Based on whether the fertilized plant is bigger than the non-fertilized plant, conclude that fertilizers make plants grow more quickly or not. Repeat the experiment with different amounts of fertilizer to find out whether too little or too much fertilizer has an effect.
Water Displacement and Flotation
A hypothesis looking at why some objects float and others don't could be, "Whether objects of the same weight float depends on their volume." To test the hypothesis cut five equal squares of aluminum foil about five by five inches each. These squares weigh the same. Roll each square into a ball, the smallest as tight as you can and the largest quite loose with the others in between. The tight ball has the lowest volume while the loose ball has the largest.
Place each ball in a container of water and record whether it floats. Based on your results, conclude whether the volume affects flotation. Collect other objects that weight the same but have different volumes and observe which ones float if your original experiment is inconclusive.
The Effect on Taste of Sugar Substitutes
A hypothesis on the effectiveness of sugar substitutes could be, "Sugar substitutes taste as good sugar." To see if the hypothesis is true, prepare a batch of lemonade and place sugar in one sample while sweetening the other with a sugar substitute. Get at least ten people to try both and record which they say tastes better.
Based on whether your taste testers say the lemonade with a sugar substitute tastes as good or better than the sugared drink, the hypothesis is true or false. Try the taste test with other foods such as cookies, cakes or ice cream to get a more complete picture. The test results will show whether a sugar substitute is as good as sugar in all cases, in none of the cases or sometimes.
Conclusion: The Scientific Method for Kids
These simple scientific method experiments show how the scientific method is designed to validate any ideas that relate to processes that can be tested. Scientists try to develop a hypothesis to explain something and then test it using the scientific method. All of science is based on hypotheses that have been tested and found to be correct while other views have proved to be wrong the same way.
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- Northern Kentucky University: The Scientific Method
- University of California at Berkeley: Testing Scientific Ideas
About the Author
Bert Markgraf is a freelance writer with a strong science and engineering background. He has written for scientific publications such as the HVDC Newsletter and the Energy and Automation Journal. Online he has written extensively on science-related topics in math, physics, chemistry and biology and has been published on sites such as Digital Landing and Reference.com He holds a Bachelor of Science degree from McGill University.
Photo Credits
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72 Easy Science Experiments Using Materials You Already Have On Hand
Because science doesn’t have to be complicated.
![science project ideas hypothesis Easy science experiments including a "naked" egg and "leakproof" bag](https://www.weareteachers.com/wp-content/uploads/easy-science-experiments-2.png)
If there is one thing that is guaranteed to get your students excited, it’s a good science experiment! While some experiments require expensive lab equipment or dangerous chemicals, there are plenty of cool projects you can do with regular household items. We’ve rounded up a big collection of easy science experiments that anybody can try, and kids are going to love them!
Easy Chemistry Science Experiments
Easy physics science experiments, easy biology and environmental science experiments, easy engineering experiments and stem challenges.
![Skittle Experiment Skittles form a circle around a plate. The colors are bleeding toward the center of the plate. (easy science experiments)](https://www.weareteachers.com/wp-content/uploads/skittles-800x418.webp)
1. Taste the Rainbow
Teach your students about diffusion while creating a beautiful and tasty rainbow! Tip: Have extra Skittles on hand so your class can eat a few!
Learn more: Skittles Diffusion
![Easy Science Experiments Growing a Jeweled Rose Colorful rock candy on wooden sticks](https://www.weareteachers.com/wp-content/uploads/Easy-Science-Experiments-Growing-a-Jeweled-Rose.jpg)
2. Crystallize sweet treats
Crystal science experiments teach kids about supersaturated solutions. This one is easy to do at home, and the results are absolutely delicious!
Learn more: Candy Crystals
3. Make a volcano erupt
This classic experiment demonstrates a chemical reaction between baking soda (sodium bicarbonate) and vinegar (acetic acid), which produces carbon dioxide gas, water, and sodium acetate.
Learn more: Best Volcano Experiments
4. Make elephant toothpaste
This fun project uses yeast and a hydrogen peroxide solution to create overflowing “elephant toothpaste.” Tip: Add an extra fun layer by having kids create toothpaste wrappers for plastic bottles.
![Giant Bubble Experiment Girl making an enormous bubble with string and wire](https://www.weareteachers.com/wp-content/uploads/Outside-Science-Bubbles-Scholastic.jpg)
5. Blow the biggest bubbles you can
Add a few simple ingredients to dish soap solution to create the largest bubbles you’ve ever seen! Kids learn about surface tension as they engineer these bubble-blowing wands.
Learn more: Giant Soap Bubbles
![Easy Science Experiments: Leakproof Bag Plastic bag full of water with pencils stuck through it](https://www.weareteachers.com/wp-content/uploads/easy-science-experiments-leakproof-bag.jpg)
6. Demonstrate the “magic” leakproof bag
All you need is a zip-top plastic bag, sharp pencils, and water to blow your kids’ minds. Once they’re suitably impressed, teach them how the “trick” works by explaining the chemistry of polymers.
Learn more: Leakproof Bag
![Apple Oxidation Experiment Several apple slices are shown on a clear plate. There are cards that label what they have been immersed in (including salt water, sugar water, etc.) (easy science experiments)](https://www.weareteachers.com/wp-content/uploads/appleoxidation.jpg)
7. Use apple slices to learn about oxidation
Have students make predictions about what will happen to apple slices when immersed in different liquids, then put those predictions to the test. Have them record their observations.
Learn more: Apple Oxidation
8. Float a marker man
Their eyes will pop out of their heads when you “levitate” a stick figure right off the table! This experiment works due to the insolubility of dry-erase marker ink in water, combined with the lighter density of the ink.
Learn more: Floating Marker Man
![5th Grade Science Steamsational Mason jars stacked with their mouths together, with one color of water on the bottom and another color on top](https://www.weareteachers.com/wp-content/uploads/5th-Grade-Science-Steamsational.jpg)
9. Discover density with hot and cold water
There are a lot of easy science experiments you can do with density. This one is extremely simple, involving only hot and cold water and food coloring, but the visuals make it appealing and fun.
Learn more: Layered Water
![Easy Science Experiments: Density Column Clear cylinder layered with various liquids in different colors](https://www.weareteachers.com/wp-content/uploads/easy-science-experiments-density-tower.jpg)
10. Layer more liquids
This density demo is a little more complicated, but the effects are spectacular. Slowly layer liquids like honey, dish soap, water, and rubbing alcohol in a glass. Kids will be amazed when the liquids float one on top of the other like magic (except it is really science).
Learn more: Layered Liquids
![Carbon Snake Experiment Giant carbon snake growing out of a tin pan full of sand](https://www.weareteachers.com/wp-content/uploads/Outside-Science-Carbon-Snake-Kiwico.jpg)
11. Grow a carbon sugar snake
Easy science experiments can still have impressive results! This eye-popping chemical reaction demonstration only requires simple supplies like sugar, baking soda, and sand.
Learn more: Carbon Sugar Snake
12. Mix up some slime
Tell kids you’re going to make slime at home, and watch their eyes light up! There are a variety of ways to make slime, so try a few different recipes to find the one you like best.
![Homemade Bouncy Balls Two children are shown (without faces) bouncing balls on a white table](https://www.weareteachers.com/wp-content/uploads/homemadebouncyballs.jpg)
13. Make homemade bouncy balls
These homemade bouncy balls are easy to make since all you need is glue, food coloring, borax powder, cornstarch, and warm water. You’ll want to store them inside a container like a plastic egg because they will flatten out over time.
Learn more: Make Your Own Bouncy Balls
![DIY Chalk Kidspot Pink sidewalk chalk stick sitting on a paper towel](https://www.weareteachers.com/wp-content/uploads/7th-Grade-Science-Chalk-Kidspot.jpg)
14. Create eggshell chalk
Eggshells contain calcium, the same material that makes chalk. Grind them up and mix them with flour, water, and food coloring to make your very own sidewalk chalk.
Learn more: Eggshell Chalk
![Naked Egg Making Memories With Your Kids Science student holding a raw egg without a shell](https://www.weareteachers.com/wp-content/uploads/6th-Grade-Science-Naked-Egg-Making-Memories-With-Your-Kids-1.jpg)
15. Make naked eggs
This is so cool! Use vinegar to dissolve the calcium carbonate in an eggshell to discover the membrane underneath that holds the egg together. Then, use the “naked” egg for another easy science experiment that demonstrates osmosis .
Learn more: Naked Egg Experiment
16. Turn milk into plastic
This sounds a lot more complicated than it is, but don’t be afraid to give it a try. Use simple kitchen supplies to create plastic polymers from plain old milk. Sculpt them into cool shapes when you’re done!
![7th Grade Science PH Education Possible Student using a series of test tubes filled with pink liquid](https://www.weareteachers.com/wp-content/uploads/7th-Grade-Science-PH-Education-Possible.jpg)
17. Test pH using cabbage
Teach kids about acids and bases without needing pH test strips! Simply boil some red cabbage and use the resulting water to test various substances—acids turn red and bases turn green.
Learn more: Cabbage pH
![6th Grade Science Coins Gally Kids Pennies in small cups of liquid labeled coca cola, vinegar + salt, apple juice, water, catsup, and vinegar. Text reads Cleaning Coins Science Experiment. Step by step procedure and explanation.](https://www.weareteachers.com/wp-content/uploads/6th-Grade-Science-Coins-Gally-Kids.jpg)
18. Clean some old coins
Use common household items to make old oxidized coins clean and shiny again in this simple chemistry experiment. Ask kids to predict (hypothesize) which will work best, then expand the learning by doing some research to explain the results.
Learn more: Cleaning Coins
![6th Grade Science Egg Bottle Left Brain Craft Brain Glass bottle with bowl holding three eggs, small glass with matches sitting on a box of matches, and a yellow plastic straw, against a blue background](https://www.weareteachers.com/wp-content/uploads/6th-Grade-Science-Egg-Bottle-Left-Brain-Craft-Brain.jpg)
19. Pull an egg into a bottle
This classic easy science experiment never fails to delight. Use the power of air pressure to suck a hard-boiled egg into a jar, no hands required.
Learn more: Egg in a Bottle
20. Blow up a balloon (without blowing)
Chances are good you probably did easy science experiments like this when you were in school. The baking soda and vinegar balloon experiment demonstrates the reactions between acids and bases when you fill a bottle with vinegar and a balloon with baking soda.
21 Assemble a DIY lava lamp
This 1970s trend is back—as an easy science experiment! This activity combines acid-base reactions with density for a totally groovy result.
![7th Grade Science Sugar Eggs Feels Like Home Four colored cups containing different liquids, with an egg in each](https://www.weareteachers.com/wp-content/uploads/7th-Grade-Science-Sugar-Eggs-Feels-Like-Home.jpg)
22. Explore how sugary drinks affect teeth
The calcium content of eggshells makes them a great stand-in for teeth. Use eggs to explore how soda and juice can stain teeth and wear down the enamel. Expand your learning by trying different toothpaste-and-toothbrush combinations to see how effective they are.
Learn more: Sugar and Teeth Experiment
23. Mummify a hot dog
If your kids are fascinated by the Egyptians, they’ll love learning to mummify a hot dog! No need for canopic jars , just grab some baking soda and get started.
24. Extinguish flames with carbon dioxide
This is a fiery twist on acid-base experiments. Light a candle and talk about what fire needs in order to survive. Then, create an acid-base reaction and “pour” the carbon dioxide to extinguish the flame. The CO2 gas acts like a liquid, suffocating the fire.
![Easy Science Experiments: Invisible Ink I Love You written in lemon juice on a piece of white paper, with lemon half and cotton swabs](https://www.weareteachers.com/wp-content/uploads/easy-science-experiments-invisible-ink.jpg)
25. Send secret messages with invisible ink
Turn your kids into secret agents! Write messages with a paintbrush dipped in lemon juice, then hold the paper over a heat source and watch the invisible become visible as oxidation goes to work.
Learn more: Invisible Ink
26. Create dancing popcorn
This is a fun version of the classic baking soda and vinegar experiment, perfect for the younger crowd. The bubbly mixture causes popcorn to dance around in the water.
![Outside Science Soda Fountain Scholastic Students looking surprised as foamy liquid shoots up out of diet soda bottles](https://www.weareteachers.com/wp-content/uploads/Outside-Science-Soda-Fountain-Scholastic.jpg)
27. Shoot a soda geyser sky-high
You’ve always wondered if this really works, so it’s time to find out for yourself! Kids will marvel at the chemical reaction that sends diet soda shooting high in the air when Mentos are added.
Learn more: Soda Explosion
![Easy Science Experiments: Flying Tea Bags Empty tea bags burning into ashes](https://www.weareteachers.com/wp-content/uploads/easy-science-experiments-flying-tea-bags.jpg)
28. Send a teabag flying
Hot air rises, and this experiment can prove it! You’ll want to supervise kids with fire, of course. For more safety, try this one outside.
Learn more: Flying Tea Bags
![Magic Milk Experiment Magic Milk Experiment How to Plus Free Worksheet](https://www.weareteachers.com/wp-content/uploads/Magic-Milk-Experiment.png)
29. Create magic milk
This fun and easy science experiment demonstrates principles related to surface tension, molecular interactions, and fluid dynamics.
Learn more: Magic Milk Experiment
![Easy Science Experiments: Rising Water Two side-by-side shots of an upside-down glass over a candle in a bowl of water, with water pulled up into the glass in the second picture](https://www.weareteachers.com/wp-content/uploads/easy-science-experiments-rising-water.jpg)
30. Watch the water rise
Learn about Charles’s Law with this simple experiment. As the candle burns, using up oxygen and heating the air in the glass, the water rises as if by magic.
Learn more: Rising Water
![4th Grade Science Experiments Capillary 123Homeschool4Me Glasses filled with colored water, with paper towels running from one to the next](https://www.weareteachers.com/wp-content/uploads/4th-Grade-Science-Experiments-Capillary-123Homeschool4Me.jpg)
31. Learn about capillary action
Kids will be amazed as they watch the colored water move from glass to glass, and you’ll love the easy and inexpensive setup. Gather some water, paper towels, and food coloring to teach the scientific magic of capillary action.
Learn more: Capillary Action
![Static Electricity Balloon Beard A pink balloon has a face drawn on it. It is hovering over a plate with salt and pepper on it](https://www.weareteachers.com/wp-content/uploads/staticballoon.jpg)
32. Give a balloon a beard
Equally educational and fun, this experiment will teach kids about static electricity using everyday materials. Kids will undoubtedly get a kick out of creating beards on their balloon person!
Learn more: Static Electricity
![Third Grade Science: DIY Compass DIY compass made from a needle floating in water](https://www.weareteachers.com/wp-content/uploads/third-grade-science-diy-compass.jpg)
33. Find your way with a DIY compass
Here’s an old classic that never fails to impress. Magnetize a needle, float it on the water’s surface, and it will always point north.
Learn more: DIY Compass
34. Crush a can using air pressure
Sure, it’s easy to crush a soda can with your bare hands, but what if you could do it without touching it at all? That’s the power of air pressure!
![DIY Sundial A large piece of cardboard has a white circle in the center with a pencil standing upright in the middle of the circle. Rocks are on all four corners holding it down.](https://www.weareteachers.com/wp-content/uploads/sundial.jpg)
35. Tell time using the sun
While people use clocks or even phones to tell time today, there was a time when a sundial was the best means to do that. Kids will certainly get a kick out of creating their own sundials using everyday materials like cardboard and pencils.
Learn more: Make Your Own Sundial
36. Launch a balloon rocket
Grab balloons, string, straws, and tape, and launch rockets to learn about the laws of motion.
![6th Grade Science The Homeschool Scientist Steel wool sitting in an aluminum tray. The steel wool appears to be on fire.](https://www.weareteachers.com/wp-content/uploads/6th-Grade-Science-The-Homeschool-Scientist.jpg)
37. Make sparks with steel wool
All you need is steel wool and a 9-volt battery to perform this science demo that’s bound to make their eyes light up! Kids learn about chain reactions, chemical changes, and more.
Learn more: Steel Wool Electricity
38. Levitate a Ping-Pong ball
Kids will get a kick out of this experiment, which is really all about Bernoulli’s principle. You only need plastic bottles, bendy straws, and Ping-Pong balls to make the science magic happen.
![5th Grade Science Tornado Cool Science HQ Colored water in a vortex in a plastic bottle](https://www.weareteachers.com/wp-content/uploads/5th-Grade-Science-Tornado-Cool-Science-HQ.jpg)
39. Whip up a tornado in a bottle
There are plenty of versions of this classic experiment out there, but we love this one because it sparkles! Kids learn about a vortex and what it takes to create one.
Learn more: Tornado in a Bottle
![7th Grade Science Edventures With Kids Homemade barometer using a tin can, rubber band, and ruler](https://www.weareteachers.com/wp-content/uploads/7th-Grade-Science-Edventures-With-Kids.jpg)
40. Monitor air pressure with a DIY barometer
This simple but effective DIY science project teaches kids about air pressure and meteorology. They’ll have fun tracking and predicting the weather with their very own barometer.
Learn more: DIY Barometer
![Ice Magnifying Glass A child holds up a pice of ice to their eye as if it is a magnifying glass. (easy science experiments)](https://www.weareteachers.com/wp-content/uploads/icemagnifying.png)
41. Peer through an ice magnifying glass
Students will certainly get a thrill out of seeing how an everyday object like a piece of ice can be used as a magnifying glass. Be sure to use purified or distilled water since tap water will have impurities in it that will cause distortion.
Learn more: Ice Magnifying Glass
![Winter Science Sticky Ice Playdough to Plato Piece of twine stuck to an ice cube](https://www.weareteachers.com/wp-content/uploads/Winter-Science-Sticky-Ice-Playdough-to-Plato.jpg)
42. String up some sticky ice
Can you lift an ice cube using just a piece of string? This quick experiment teaches you how. Use a little salt to melt the ice and then refreeze the ice with the string attached.
Learn more: Sticky Ice
![Easy Science Experiments Go Science Kids Drawing of a hand with the thumb up and a glass of water](https://www.weareteachers.com/wp-content/uploads/Easy-Science-Experiments-Go-Science-Kids.jpg)
43. “Flip” a drawing with water
Light refraction causes some really cool effects, and there are multiple easy science experiments you can do with it. This one uses refraction to “flip” a drawing; you can also try the famous “disappearing penny” trick .
Learn more: Light Refraction With Water
44. Color some flowers
We love how simple this project is to re-create since all you’ll need are some white carnations, food coloring, glasses, and water. The end result is just so beautiful!
![2nd Grade Science Living Life and Learning Square dish filled with water and glitter, showing how a drop of dish soap repels the glitter](https://www.weareteachers.com/wp-content/uploads/2nd-Grade-Science-Living-Life-and-Learning.jpg)
45. Use glitter to fight germs
Everyone knows that glitter is just like germs—it gets everywhere and is so hard to get rid of! Use that to your advantage and show kids how soap fights glitter and germs.
Learn more: Glitter Germs
![2nd Grade Science Grade School Giggles Plastic bag with clouds and sun drawn on it, with a small amount of blue liquid at the bottom](https://www.weareteachers.com/wp-content/uploads/2nd-Grade-Science-Grade-School-Giggles.jpg)
46. Re-create the water cycle in a bag
You can do so many easy science experiments with a simple zip-top bag. Fill one partway with water and set it on a sunny windowsill to see how the water evaporates up and eventually “rains” down.
Learn more: Water Cycle
![Outside Science Transpiration Teach Beside Me1 Plastic zipper bag tied around leaves on a tree](https://www.weareteachers.com/wp-content/uploads/Outside-Science-Transpiration-Teach-Beside-Me1.jpg)
47. Learn about plant transpiration
Your backyard is a terrific place for easy science experiments. Grab a plastic bag and rubber band to learn how plants get rid of excess water they don’t need, a process known as transpiration.
Learn more: Plant Transpiration
![Oil Spill Cleanup Students sit around a table that has a tin pan filled with blue liquid wiht a feather floating in it (easy science experiments)](https://www.weareteachers.com/wp-content/uploads/oilspill-800x598.jpg)
48. Clean up an oil spill
Before conducting this experiment, teach your students about engineers who solve environmental problems like oil spills. Then, have your students use provided materials to clean the oil spill from their oceans.
Learn more: Oil Spill
![6th Grade Science Lungs Surviving a Teachers Salary Sixth grade student holding model lungs and diaphragm made from a plastic bottle, duct tape, and balloons](https://www.weareteachers.com/wp-content/uploads/6th-Grade-Science-Lungs-Surviving-a-Teachers-Salary.jpg)
49. Construct a pair of model lungs
Kids get a better understanding of the respiratory system when they build model lungs using a plastic water bottle and some balloons. You can modify the experiment to demonstrate the effects of smoking too.
Learn more: Model Lungs
![Limestone Rock Experiment Child pouring vinegar over a large rock in a bowl](https://www.weareteachers.com/wp-content/uploads/Outside-Science-Rocks-KCEdventures.jpg)
50. Experiment with limestone rocks
Kids love to collect rocks, and there are plenty of easy science experiments you can do with them. In this one, pour vinegar over a rock to see if it bubbles. If it does, you’ve found limestone!
Learn more: Limestone Experiments
![DIY Rain Gauge Plastic bottle converted to a homemade rain gauge](https://www.weareteachers.com/wp-content/uploads/Outside-Science-Nurture-Store.jpg)
51. Turn a bottle into a rain gauge
All you need is a plastic bottle, a ruler, and a permanent marker to make your own rain gauge. Monitor your measurements and see how they stack up against meteorology reports in your area.
Learn more: DIY Rain Gauge
![Folded Towel Mountains Pile of different colored towels pushed together to create folds like mountains](https://www.weareteachers.com/wp-content/uploads/2nd-Grade-Science-The-Chaos-and-the-Clutter.jpg)
52. Build up towel mountains
This clever demonstration helps kids understand how some landforms are created. Use layers of towels to represent rock layers and boxes for continents. Then pu-u-u-sh and see what happens!
Learn more: Towel Mountains
![3rd Grade Science Line Upon Line Learning Layers of differently colored playdough with straw holes punched throughout all the layers](https://www.weareteachers.com/wp-content/uploads/3rd-Grade-Science-Line-Upon-Line-Learning.jpg)
53. Take a play dough core sample
Learn about the layers of the earth by building them out of Play-Doh, then take a core sample with a straw. ( Love Play-Doh? Get more learning ideas here. )
Learn more: Play Dough Core Sampling
![3rd Grade Science Mystery Science Science student poking holes in the bottom of a paper cup in the shape of a constellation](https://www.weareteachers.com/wp-content/uploads/3rd-Grade-Science-Mystery-Science.jpg)
54. Project the stars on your ceiling
Use the video lesson in the link below to learn why stars are only visible at night. Then create a DIY star projector to explore the concept hands-on.
Learn more: DIY Star Projector
![Easy Science Experiments Mrs Jones Creation Station Glass jar of water with shaving cream floating on top, with blue food coloring dripping through, next to a can of shaving cream](https://www.weareteachers.com/wp-content/uploads/Easy-Science-Experiments-Mrs-Jones-Creation-Station.jpg)
55. Make it rain
Use shaving cream and food coloring to simulate clouds and rain. This is an easy science experiment little ones will beg to do over and over.
Learn more: Shaving Cream Rain
56. Blow up your fingerprint
This is such a cool (and easy!) way to look at fingerprint patterns. Inflate a balloon a bit, use some ink to put a fingerprint on it, then blow it up big to see your fingerprint in detail.
![Edible DNA Model Edible DNA model made with Twizzlers, gumdrops, and toothpicks](https://www.weareteachers.com/wp-content/uploads/edible-dna-model.jpg)
57. Snack on a DNA model
Twizzlers, gumdrops, and a few toothpicks are all you need to make this super-fun (and yummy!) DNA model.
Learn more: Edible DNA Model
58. Dissect a flower
Take a nature walk and find a flower or two. Then bring them home and take them apart to discover all the different parts of flowers.
![Easy Science Experiments: Smartphone Amplifier DIY smartphone amplifier made from paper cups](https://www.weareteachers.com/wp-content/uploads/easy-science-experiments-smartphone-amplifier.jpg)
59. Craft smartphone speakers
No Bluetooth speaker? No problem! Put together your own from paper cups and toilet paper tubes.
Learn more: Smartphone Speakers
![Easy Science Experiments: Balloon Car Car made from cardboard with bottlecap wheels and powered by a blue balloon](https://www.weareteachers.com/wp-content/uploads/easy-science-experiments-balloon-car.jpg)
60. Race a balloon-powered car
Kids will be amazed when they learn they can put together this awesome racer using cardboard and bottle-cap wheels. The balloon-powered “engine” is so much fun too.
Learn more: Balloon-Powered Car
![Sixth Grade Science Ferris Wheel Miniature Ferris Wheel built out of colorful wood craft sticks](https://www.weareteachers.com/wp-content/uploads/sixth-grade-science-ferris-wheel.jpg)
61. Build a Ferris wheel
You’ve probably ridden on a Ferris wheel, but can you build one? Stock up on wood craft sticks and find out! Play around with different designs to see which one works best.
Learn more: Craft Stick Ferris Wheel
62. Design a phone stand
There are lots of ways to craft a DIY phone stand, which makes this a perfect creative-thinking STEM challenge.
63. Conduct an egg drop
Put all their engineering skills to the test with an egg drop! Challenge kids to build a container from stuff they find around the house that will protect an egg from a long fall (this is especially fun to do from upper-story windows).
Learn more: Egg Drop Challenge Ideas
![Fourth Grade Science Drinking Straw Roller Coaster Student building a roller coaster of drinking straws for a ping pong ball (Fourth Grade Science)](https://www.weareteachers.com/wp-content/uploads/fourth-grade-science-straw-roller-coaster.jpg)
64. Engineer a drinking-straw roller coaster
STEM challenges are always a hit with kids. We love this one, which only requires basic supplies like drinking straws.
Learn more: Straw Roller Coaster
![Solar Oven Outside Science Solar Oven Desert Chica](https://www.weareteachers.com/wp-content/uploads/Outside-Science-Solar-Oven-Desert-Chica.jpg)
65. Build a solar oven
Explore the power of the sun when you build your own solar ovens and use them to cook some yummy treats. This experiment takes a little more time and effort, but the results are always impressive. The link below has complete instructions.
Learn more: Solar Oven
![7th Grade Science iGame Mom Mini Da Vinci bridge made of pencils and rubber bands](https://www.weareteachers.com/wp-content/uploads/7th-Grade-Science-iGame-Mom.jpg)
66. Build a Da Vinci bridge
There are plenty of bridge-building experiments out there, but this one is unique. It’s inspired by Leonardo da Vinci’s 500-year-old self-supporting wooden bridge. Learn how to build it at the link, and expand your learning by exploring more about Da Vinci himself.
Learn more: Da Vinci Bridge
67. Step through an index card
This is one easy science experiment that never fails to astonish. With carefully placed scissor cuts on an index card, you can make a loop large enough to fit a (small) human body through! Kids will be wowed as they learn about surface area.
![8th Grade Science Science Sparks Student standing on top of a structure built from cardboard sheets and paper cups](https://www.weareteachers.com/wp-content/uploads/8th-Grade-Science-Science-Sparks.jpg)
68. Stand on a pile of paper cups
Combine physics and engineering and challenge kids to create a paper cup structure that can support their weight. This is a cool project for aspiring architects.
Learn more: Paper Cup Stack
![Outside Science Inspiration Laboratories Child standing on a stepladder dropping a toy attached to a paper parachute](https://www.weareteachers.com/wp-content/uploads/Outside-Science-Inspiration-Laboratories.jpg)
69. Test out parachutes
Gather a variety of materials (try tissues, handkerchiefs, plastic bags, etc.) and see which ones make the best parachutes. You can also find out how they’re affected by windy days or find out which ones work in the rain.
Learn more: Parachute Drop
![5th Grade Science Stem Activities for Kids Students balancing a textbook on top of a pyramid of rolled up newspaper](https://www.weareteachers.com/wp-content/uploads/5th-Grade-Science-Stem-Activities-for-Kids.jpg)
70. Recycle newspapers into an engineering challenge
It’s amazing how a stack of newspapers can spark such creative engineering. Challenge kids to build a tower, support a book, or even build a chair using only newspaper and tape!
Learn more: Newspaper STEM Challenge
![5th Grade Science Science Sparks Plastic cup with rubber bands stretched across the opening](https://www.weareteachers.com/wp-content/uploads/5th-Grade-Science-Science-Sparks.jpg)
71. Use rubber bands to sound out acoustics
Explore the ways that sound waves are affected by what’s around them using a simple rubber band “guitar.” (Kids absolutely love playing with these!)
Learn more: Rubber Band Guitar
![Third Grade Science Umbrellas Raising Lifelong Learners Science student pouring water over a cupcake wrapper propped on wood craft sticks](https://www.weareteachers.com/wp-content/uploads/Third-Grade-Science-Umbrellas-Raising-Lifelong-Learners.jpg)
72. Assemble a better umbrella
Challenge students to engineer the best possible umbrella from various household supplies. Encourage them to plan, draw blueprints, and test their creations using the scientific method.
Learn more: Umbrella STEM Challenge
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![Easy-Science Science doesn't have to be complicated! Try these easy science experiments using items you already have around the house or classroom.](https://www.weareteachers.com/wp-content/uploads/Easy-Science-683x1024.jpg)
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The goal of a science project is not to prove your hypothesis right or wrong. The goal is to learn more about how the natural world works. Even in a science fair, judges can be impressed by a project that started with a bad hypothesis. What matters is that you understood your project, did a good experiment, and have ideas for how to make it better.
A hypothesis is a tentative, testable answer to a scientific question. Once a scientist has a scientific question she is interested in, the scientist reads up to find out what is already known on the topic. Then she uses that information to form a tentative answer to her scientific question. Sometimes people refer to the tentative answer as "an ...
Remember, find something that interests you, and have fun with it. To download and print this list of ideas CLICK HERE. Here's a list of over 30 Science Fair ideas to get you started. Then download science experiments, and watch experiment videos to inspire your project.
Science Fair Project Idea. Scientific Method. The Wright brothers used kites extensively to test their design ideas in the years leading up to their first successful airplane flight. With this science project, you'll learn about kite aerodynamics, and then come up with your own hypothesis about building or flying a kite.
Remove the air in a DIY vacuum chamber. Instructables. Difficulty: Medium / Materials: Medium. You can use a vacuum chamber to do lots of cool high school science fair projects, but a ready-made one can be expensive. Try this project to make your own with basic supplies. Learn more: Vacuum Chamber at Instructables.
Dec 27, 2023. Nothing gets kids more excited for science than hands-on experiments! Watch your 4th grade science students' eyes light up when they try some of these activities. You'll find physics, biology, engineering, chemistry, and more. These projects are easy to set up and really help drive the learning home. Get ready for some science ...
Grade School Science Project Ideas . Students are introduced to the scientific method in grade school and learn how to propose a hypothesis. Grade school science projects tend to be quick to complete and should be fun for the student and the teacher or parent. Examples of suitable project ideas include: . Determine whether insects are attracted to lights at night because of their heat or their ...
Start with the STEMium Science Fair Project Roadmap. This is an infographic that "maps" out the process from start to finish and shows all the steps in a visual format. Getting Started - Why Do a Science Fair Project. Besides walking through some reasons to do a project, we also share links to examples of national science fair ...
In this section, we will discuss the importance of 5th grade science project ideas with hypothesis for students: 1. Hands-On Learning. 5th-grade science projects with hypotheses offer students a chance to learn through doing. They get to experiment, make predictions, and see the real-world results.
Read this list of 200 science-fair project ideas. Circle all of the ones that sound interesting to you. 1. How does the temperature of a tennis ball affect the height of its bounce? 2. How does the air pressure of a soccer ball affect how far it travels when kicked? 3. Does a metal baseball bat vibrate more than a wooden one? 4.
Science projects are a great way to explore your curiosity, test hypotheses, and better understand the world around you. So, let's dive right into our list of exciting science project ideas and start making hypotheses! Top 100 5th Grade Science Project Ideas with Hypothesis. 1. The Color-Changing Milk Hypothesis:
Here are some research hypothesis examples: If you leave the lights on, then it takes longer for people to fall asleep. If you refrigerate apples, they last longer before going bad. If you keep the curtains closed, then you need less electricity to heat or cool the house (the electric bill is lower). If you leave a bucket of water uncovered ...
Other Fun & Easy Science Project Ideas. Toilet Paper Comparisons ~ Pink Stripey Socks. Egg Drop Challenge. Press n' Seal vs. Saran Wrap. Hockey Science Experiment ~ Creative Family Fun. I hope you found an idea that will work for your little scientists next science fair project.
Aerodynamics & Hydrodynamics. The 'Ultimate' Science Fair Project: Frisbee Aerodynamics. Aerodynamics & Hydrodynamics. The Paper Plate Hovercraft. Aerodynamics & Hydrodynamics. The Science of Launching an Airplane by Catapult. Aerodynamics & Hydrodynamics. The Swimming Secrets of Duck Feet. Aerodynamics & Hydrodynamics.
There are two parts of this hypothesis, and thus two experiments: Experiment #1: Measure the voltage of fresh AA batteries as they are used in different current drain devices. Experiment #2: Compare the rate of voltage change between devices with low, medium, and high current drain. The second experiment does not require any more data ...
The gummy bear experiment is a fun activity that teaches the basic concept of osmosis to the little ones in an easy manner. They will also be thrilled at the idea that their favorite gummy bears could teach them a lesson or two in science. Gummy Bear Science Project Instructions Hypothesis for Growing/Shrinking Gummy Bears
Engineer the strongest craft stick bridge. Difficulty: Medium / Materials: Basic. This is a classic science activity for the classroom, but it works well for 6th grade science fair projects too. Form a hypothesis about the strongest type of bridge design, then build your own models to test it out.
A 5th-grade science project is a fun assignment tailored for elementary school kids in their fifth year. These projects often include hands-on experiments or investigations where students can explore and use scientific ideas. Students pick a topic, make a guess called a hypothesis, do experiments, and share what they discover.
dependent variable: viscosity of slime. Project Hypothesis. Examples: 1. Viscosity measures how easy something flows. Glues that are thick and slow to flow will produce thick, slow flowing slime. 2. Viscosity is the resistance to flowing, so the more viscous the glue the more viscous will be the slime. Step 6 : Experiment.
The scientific method steps are to propose a hypothesis; to test the hypothesis; to observe and note down the results of the tests; and to conclude on the basis of the test results that the hypothesis is true or false. ... Cool Science Project Ideas for K-4th Grade . How to Grow a Plant From a Bean as a Science Project . Science Projects on ...
Keep in mind that writing the hypothesis is an early step in the process of doing a science project. The steps below form the basic outline of the Scientific Method: Ask a Question. Do Background Research. Construct a Hypothesis. Test Your Hypothesis by Doing an Experiment. Analyze Your Data and Draw a Conclusion.
50 Fantastic 5th Grade Science Projects, Experiments, and Activities. For the classroom or science fair. There's something so fascinating about hands-on science experiments and projects. They make learning so meaningful and so much fun! These 5th grade science projects help kids explore biology, physics, chemistry, and a whole lot more. Try ...
The dark forest hypothesis is the conjecture that many alien civilizations exist throughout the universe, ... 112 variations of these ideas have been used in other science fiction stories. ... The term "dark forest" was coined for the idea in 2008 by science fiction author Liu Cixin in his novel The Dark Forest. ...
43. "Flip" a drawing with water. Light refraction causes some really cool effects, and there are multiple easy science experiments you can do with it. This one uses refraction to "flip" a drawing; you can also try the famous "disappearing penny" trick. Learn more: Light Refraction With Water.