Identify energy
Free printable Grade 7 science worksheet for "Identify energy" — practice photosynthesis and respiration. No-prep, print or assign online.
Middle school students identify energy inputs and outputs in photosynthesis and respiration in this Life Science worksheet, connecting chemical equations to the flow of energy through living systems. Teachers can use it to clarify the complementary nature of these two processes and reinforce quantitative thinking about biological energy. Understanding energy flow in cells is central to metabolism, ecology, and environmental science.
Learning objectives
- Identify the energy sources and products of photosynthesis and cellular respiration
- Compare how energy is captured and released in each process
- Explain why both processes are essential to life on Earth
Answer Key
How to use this worksheet
- Click “Download Worksheet” and sign in with Google or email to get the PDF instantly.
- Print at home or in class for Middle School; it's no-prep, with no extra materials needed.
- Use the included answer key to mark it in seconds.
Frequently asked questions
Is the “Identify energy” worksheet free?
Yes. “Identify energy” is a free printable Science worksheet. Sign in with Google or email to download the PDF instantly.
What grade or age is this Science worksheet for?
It's designed for Middle School (ages 11–14), covering Photosynthesis and respiration.
Does it come with an answer key?
Yes — a matching answer key is included so you can grade it in seconds.
Create more worksheets in our Worksheet Studio
Generate fresh worksheets for any grade, topic, and language — free.
Open the Worksheet StudioMore for Middle School
Complementary and supplementary angles
Solve one-step multiplication and division equations with decimals and fractions
Identify solution criteria
Use evidence to explain how scientific models works or changes
You might also like
Classify energy in cells
Identify photosynthesis chemistry
Identify cellular respiration chemistry
Identify matter cycling
Compare observations of energy in cells and describe the pattern you notice
