Photosynthesis: How Plants Make Food

What You'll Learn

A food chain shows how energy passes from one organism to another. Producers like plants capture energy from the sun, herbivores eat the plants, and carnivores eat the herbivores.

Key Words

consumer
decomposer

Materials Needed

magnifying glass
paper towels
markers
tape

Safety First

Do not look directly at the sun or bright lights.
Clean up spills immediately to prevent slipping.

Steps

Step 1 — Read

Read about Ecosystems and write down three key facts.

Step 2 — Do

Compare the skeletal structures of a bird wing, human arm, and whale flipper using diagrams. Identify homologous bones and write what this tells us about common ancestry.

Step 3 — Observe

Compare the before and after states.

Step 4 — Record

Write your conclusion: did the results match your hypothesis? What would you change next time?

Check Your Understanding

Question 1

1 of 3

What gas do plants release during photosynthesis?