photosynthesis worksheet and answers

Free Printable photosynthesis worksheets

Discover the fascinating process of photosynthesis with our free printable Science worksheets, designed to help Science teachers educate and inspire students in their exploration of plant life and energy conversion.

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Explore printable photosynthesis worksheets

Photosynthesis worksheets are an essential tool for teachers to help students understand the complex process of photosynthesis in an engaging and interactive manner. These worksheets, designed for various grade levels, provide a comprehensive and in-depth understanding of the fundamental concepts of photosynthesis, which is a crucial topic in Science and Biology curriculums. Teachers can use these worksheets to explain the process of converting light energy into chemical energy, the role of chlorophyll, and the importance of photosynthesis for all living organisms. By incorporating these photosynthesis worksheets into their lesson plans, teachers can ensure that their students grasp the key concepts and develop a strong foundation in Science and Biology.

Quizizz is a fantastic platform that offers a wide range of resources, including photosynthesis worksheets, to help teachers create engaging and interactive learning experiences for their students. In addition to worksheets, Quizizz also provides various other offerings such as quizzes, flashcards, and interactive games that cater to different learning styles and preferences. Teachers can easily integrate these resources into their Science and Biology lessons to reinforce the concepts taught in class and assess their students' understanding of the subject matter. By utilizing Quizizz's extensive collection of high-quality, grade-specific resources, teachers can create a dynamic and enriching learning environment that fosters a deep understanding of photosynthesis and other essential topics in Science and Biology.

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5 Free Photosynthesis Worksheets for Middle and High School

Learn and review with unique activities including a maze, scavenger hunt, and more.

For even more free science ideas and printables, head to our science hub! You’ll find resources in every science subject for middle and high school.

Teaching photosynthesis this year? You’re in the right place! Five fantastic photosynthesis worksheets are ready to help your students learn and review this essential topic. There are activities for both middle and high school classrooms along with a teacher’s guide and answer key. You can say “So long!” to searching for unique and engaging activities for your photosynthesis lessons.

Check out the photosynthesis worksheets included:

Diagram and reading passage with questions.

Introduce your students to an overview of photosynthesis with a diagram they will label. Then, use the provided reading passage to have students read, highlight, or annotate the section to become more familiar with the photosynthesis process. The corresponding questions will test their understanding. Plus, both the diagram and reading questions can serve as awesome review tools before test time!

We’re loving this unique and fun activity! Students will start in the top left and answer each question in the green boxes. Once they select the correct answer, they’ll shade in that pathway to lead them to the next question to work on.

Scavenger Hunt

Get students moving! Cut out the question cards and place them around the room. Students can start at any station and use their answer sheet to write out any work and their answer. Based on the answer they gave, they’ll find the next station to go to.

Cut and Paste

Ask students to cut out the answer cards and they’ll work to match them in the correct space within the chart. Once their answers are finalized, they can paste them in! You can even ask students to color-code or draw a diagram on the answer cards to help them remember.

High school biology teacher Lacey VanBuskirk helped us create these amazing photosynthesis worksheets.

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Photosynthesis: Cycling of Matter and Flow of Energy

Use this life science worksheet to help students boost their understanding of photosynthesis and how matter and energy cycle on Earth. Designed for middle school learners, this worksheet begins with a diagram and a short passage explaining how photosynthesis works and how animals and photosynthetic organisms are connected. Students will then answer a series of comprehension questions about the inputs and outputs of photosynthesis, how animals depend on matter from plants for growth and survival, and why the sun is the ultimate source of energy on Earth.

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Photosynthesis for Kids: Lesson and Printables

Plants are unique organisms because they are one of only three life forms able to produce their own food. The only other organisms capable of this are algae and some bacteria. This unit introduces kids ages 9 to 12 to the process of photosynthesis.

Learn more about plant life with these fun printable activities !

What is photosynthesis?

Photosynthesis is the way in which plants make their own food. Plants need four things to accomplish it.

The first is sunlight . All plants on earth convert sunlight into food. Sunlight is a form of energy that the plant changes into another form of energy that the plant can use to live.

The second is water . Plants absorb water through their roots, and sometimes through their leaves. Water is not only part of the photosynthesis process, but it helps the plant to grow and stay upright!

The third thing plants need is carbon dioxide . Plants “breathe in” carbon dioxide through tiny pores in their leaves. These pores are called stomata. And they “exhale” oxygen. This is one of the reasons why plants, and especially trees, are so important to our planet. They produce the air we need to breathe and survive… and they use the “waste” air that we produce for their own survival.

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And the last thing plants need is chlorophyll . This is a pigment inside the chloroplast organelles found inside the plant’s cells. Chlorophyll is responsible for absorbing light for photosynthesis. But it also gives plants their green color because it reflects green wavelengths in white light.

How does photosynthesis work?

Plants absorb water and minerals from their roots. They also absorb carbon dioxide. These three mix together in the plant to form a substance called raw sap . The plant then uses its chlorophyll to absorb sunlight and takes the energy from the sunlight and converts it into a different type of stored energy.

Plants then take this stored energy and use it to turn the raw sap into glucose, a type of sugar. This new sugar is called elaborated sap . It flows through the plant and provides food for the cells so that the plant can grow and reproduce. Sometimes plants store any extra elaborated sap in their roots and fruits, which is what makes sweet potatoes and strawberries so yummy!

Why is photosynthesis important?

Photosynthesis is critical to life on this planet for two reasons. The first reason is that plants are producers. This means that they produce their own food using sunlight. And producers are at the bottom of the food chain.

All other life forms are either consumers or decomposers. Consumers may eat producers (such as rabbits) or other consumers (such as eagles) or both (such as bears). Decomposers break down dead plants or animals. Earthworms and fungi are examples of decomposers.

Either way, all life is dependent on plants. And plants can only exist thanks to photosynthesis.

The second reason is that during the process of photosynthesis, plants clean our air by absorbing carbon dioxide and producing oxygen. They help sustain our planet and make it possible for most life forms to exist.

©Arthur Gamsa

Activities for learning about photosynthesis for kids

Here are some of our printable resources for helping your child learn more about photosynthesis.

Science Activity #1: As mentioned, one of the reasons that photosynthesis is so important to all life on earth, is that it is found at the bottom of all food chains and food webs. Producers rely on photosynthesis to create their own food. Print our Food Chain activity sheet and cut out the life forms. Then choose a few to create your own food chain. Be sure to label the producers, consumers, and decomposers!

Simple Food Chain Photosynthesis Lesson Worksheet

Activity #2: We’ve described the process that a plant goes through to produce its own food. Print our Photosynthesis Process worksheet and label the steps that take place during photosynthesis.

Activity #3: Be a scientist and explore photosynthesis with an experiment. Download our Photosynthesis Experiment pages and follow the directions. Use whatever materials you can find at home.

Inspired to get more hands-on learning with plants? Turn this unit into a bigger lesson with this guide to starting a garden at your school !

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Photosynthesis

Subject: Biology

Age range: 14-16

Resource type: Worksheet/Activity

Last updated

23 August 2024

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Explore Photosynthesis with this jumbo-sized, double-sided A3 worksheet.

Focused content:

• Photosynthesis definition, explanation and key terms.
• Cellular Respiration
• Rate of Photosynthesis and Limiting Factors.
• Questions to develop retrieval and understanding capability.
• Crossword to reinforce keyword retention.

Recommended for upper KS3 and as revision for GCSE.

This worksheet is designed to be used in landscape orientation and can be printed in A4 format but A3 is advised for the maximum learning experience of the student.

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Photosynthesis

• Macromolecules
• Cellular Energetics
• Plant Anatomy & Physiology

Resource Type

• Click & Learn

Description

This multipart animation series explores the process of photosynthesis and the structures that carry it out.

Photosynthesis converts light energy from the sun into chemical energy stored in organic molecules, which are used to build the cells of many producers and ultimately fuel ecosystems. After providing an overview of photosynthesis, these animations zoom inside the cells of a leaf and into a chloroplast to see where and how the reactions of photosynthesis happen. The animations detail both the light reactions and the Calvin cycle, focusing on the flow of energy and the cycling of matter.

This animation series contains seven parts, which can be watched individually or in sequence. The first three parts are appropriate for middle school through college-level students. The remaining parts are appropriate for high school through college-level students; Parts 5 and 6 are recommended for more advanced students. Depending on students’ background, it may be helpful to pause the animations at various points to discuss different steps or structures.

The accompanying “Student Worksheet” incorporates concepts and information from the animations. The animations are also available in a YouTube playlist or as a full-length YouTube video .

The “Resource Google Folder” link directs to a Google Drive folder of resource documents in the Google Docs format. Not all downloadable documents for the resource may be available in this format. The Google Drive folder is set as “View Only”; to save a copy of a document in this folder to your Google Drive, open that document, then select File → “Make a copy.” These documents can be copied, modified, and distributed online following the Terms of Use listed in the “Details” section below, including crediting BioInteractive.  

Student Learning Targets

• Summarize the overall purpose of photosynthesis, as well as its inputs and outputs.
• Describe the structures used to perform photosynthesis in plants. 
• Describe the main components of the light reactions and Calvin cycle, and how they contribute to photosynthesis.  

Estimated Time

ATP, Calvin cycle, chlorophyll, chloroplast, electron transport chain, G3P, light reactions, NADPH, photosystem, rubisco

Terms of Use

The resource is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license . No rights are granted to use HHMI’s or BioInteractive’s names or logos independent from this Resource or in any derivative works.

Accessibility Level (WCAG compliance)

Version history, curriculum connections, ngss (2013).

LS1.A, LS1.C; HS-LS1-5, HS-LS2-5; SEP2; SEP6

AP Biology (2019)

ENE-1.I, ENE-1.J, ENE-1.K, ENE-1.O, ENE-2.K, ENE-2.L, SYI-1.D, SYI-1.F; SP1, SP2

IB Biology (2016)

2.9, 4.2, 8.3

AP Environmental Science (2020)

Topic(s): 1.4 Learning Objectives & Practices: ERT-1.D

IB Environmental Systems and Societies (2017)

Common core (2010).

ELA.RST.9-12.2; ELA.WHST.9-12.9

Vision and Change (2009)

CC2, CC4; DP1, DP3

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Photosynthesis and Respiration

Photosynthesis and respiration are two vital processes that occur in living organisms . Photosynthesis is the process by which green plants, algae , and some bacteria convert light energy , carbon dioxide , and water into glucose and oxygen . Respiration , on the other hand, is the process by which cells break down glucose and other organic compounds to release energy that is used for cellular activities.

Photosynthesis

• Definition: Photosynthesis is the process by which green plants, algae , and some bacteria convert light energy , carbon dioxide , and water into glucose and oxygen .
• Equation: 6CO 2 + 6H 2 O + Light energy → C 6 H 12 O 6 + 6O 2
• Key Factors: Light , chlorophyll, carbon dioxide , and water are essential for photosynthesis to occur.
• Organisms : Photosynthesis occurs in green plants, algae , and some bacteria .

Respiration

• Definition: Respiration is the process by which cells break down glucose and other organic compounds to release energy that is used for cellular activities.
• Equation: C 6 H 12 O 6 + 6O 2 → 6CO 2 + 6H 2 O + Energy
• Key Factors: Oxygen and glucose are essential for respiration to occur.
• Organisms : Respiration occurs in all living organisms , including plants, animals, and microorganisms .

Study Guide

Here are some key points to remember when studying photosynthesis and respiration :

• Understand the chemical equations for photosynthesis and respiration and the products formed in each process.
• Learn about the organelles involved in these processes, such as chloroplasts in photosynthesis and mitochondria in respiration .
• Explore the factors that affect the rate of photosynthesis , such as light intensity, carbon dioxide concentration, and temperature .
• Understand the different types of respiration , including aerobic respiration (with oxygen ) and anaerobic respiration (without oxygen ).
• Explore the interconnected nature of photosynthesis and respiration in the carbon cycle and energy flow within ecosystems .

By understanding the intricacies of photosynthesis and respiration , you will gain valuable insights into the fundamental processes that sustain life on Earth .

[Photosynthesis And Respiration] Related Worksheets and Study Guides:

• Cell Processes Science • Seventh Grade
• Photosynthesis and respiration Biology • High School

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◂ Science Worksheets and Study Guides Seventh Grade. Photosynthesis and Respiration

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Photosynthesis Worksheets

Did you know the planet Earth would be lifeless without photosynthesis? Do you know how plants make their own food? Find answers to these and many such queries with our printable photosynthesis worksheets for students of grade 3 through grade 7. Featured here are vibrant charts illustrating the photosynthesis process, the equation of photosynthesis, precise and apt definitions of key terms in photosynthesis and activities like label the process, complete the paragraph, differentiate between light and dark reactions and much more. Our free photosynthesis worksheets are definitely worth a try!

Photosynthesis Basic Chart

This photosynthesis basic chart facilitates grasping and retaining the process of photosynthesis with ease. Equip children of grade 3 and grade 4 with this chart to familiarize them with the concept.

• Download the Chart

Photosynthesis Equations Chart

The photosynthesis equation is presented in a visually appealing way in this chart. The word equation states the reactants - Co 2 and H 2 O and the products glucose and O 2 , followed by a balanced chemical equation.

Photosynthesis Equations Worksheet

Follow-up the equation chart with this complete the photosynthesis equations activity pdf, for children of grade 5 and grade 6 to reaffirm the concepts. Word equation and balanced chemical equations are included here.

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Photosynthesis Process | Descriptions

This printable handout illustrates the process of photosynthesis with concise descriptions. Comprehend the vital components involved and the products of photosynthesis with easy-to-understand descriptions.

Photosynthesis | Basic Vocabulary

This basic photosynthesis vocabulary worksheet simplifies the process of photosynthesis. The concept is broken into simple chunks for a vivid understanding of the terms and process involved in photosynthesis.

Photosynthesis | Advanced Vocabulary

Comprehend the process of photosynthesis with this vocabulary worksheet. Definitions of terms associated with the light and dark reactions of photosynthesis have been included here.

What is Photosynthesis?

Observe the photosynthesis process diagram presented in this printable 4th grade and 5th grade worksheet and plug in the words from the word box to complete the paragraph and answer the question "What is photosynthesis?".

Label the Photosynthesis Diagram

Help students transit from passive listeners to active participants with this labelling the photosynthesis process worksheet pdf. Direct the 3rd grade and 4th grade students to use the words from the word box to label the diagram.

Label the Reactants and Products of Photosynthesis

Refine the knowledge of students with this worksheet. They comprehend the major reactants and products and label them by recollecting the vocabulary words.

Describe the Reactants and Products

Brainstorm children of what they know and initiate discussions about each reactant and product with this worksheet. Instruct students to identify the reactants and products and describe them in a sentence.

Photosynthesis Process | Activity

Recapitulate the process of photosynthesis with this cut and paste activity worksheet pdf. Snip the reactants and products involved in the process of photosynthesis and glue them in the appropriate boxes.

Fill in the blanks

Test comprehension of 6th grade and 7th grade students with this fill in the blanks worksheet, that includes subtle details of the photosynthesis process. Read the sentences and plug the missing term(s).

Photosynthesis | Matching Activity

Employ this photosynthesis-matching-activity to assess the knowledge of students. Make one-to-one correspondence between the photosynthesis vocabulary words and their descriptions.

Structure of the Chloroplast | Chart

Develop an in-depth understanding of the process of photosynthesis with this printable chart. The labeled structure of the chloroplast chart indicates the exact location of the two processes within the leaf.

The Two Phases of Photosynthesis | Chart

The light-dependent and light-independent reactions of photosynthesis have been clearly illustrated in this chart. The reactants and products of each stage are labeled as well.

Label the Light and Dark Reactions

Actively involve students with this label-the-photosynthesis-reactions activity. Reiterate the Light reactions and the Calvin-Benson Cycle by labeling the two reactions along with their reactants and products.

Light Reaction Vs Dark Reaction

The differences between the light and dark reactions are stated vividly using a versatile graphic organizer, the T-chart. Integrate the T-chart to help students of grade 6 and grade 7 comprehend the differences between the light and dark reactions of photosynthesis.

Photosynthesis Review Questions

Posing questions is an effective teaching technique. The questions in this pdf worksheet are constructed to summarize the two stages in the process of photosynthesis and elicit responses in the form of definitions and comparisons.

The story of how humans and animals live is breathtaking. What's even more breathtaking is how plants get their energy on an everyday basis. Read this printable passage, and answer questions that ask you to eliminate the wrong title, write a short note and more.

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