25

Lesson 25 of 84 ยท Habitats

Experiment

Endangered Species and Conservation

What You'll Learn

Endangered species are at risk of extinction due to habitat loss, pollution, hunting, or climate change. Conservation efforts work to protect these species and their habitats.

Key Words

  • invertebrate
  • species

Materials Needed

  • cotton balls
  • zip-lock bags
  • labels
  • seeds
  • soil

Safety First

  • Do not look directly at the sun or bright lights.

Steps

Step 1 โ€” Read

Study the diagram and label the parts you recognize.

Step 2 โ€” Do

Design a controlled experiment: grow plants under different light conditions (full sun, partial shade, no light). Water equally and measure growth daily for one week.

Step 3 โ€” Observe

Look for patterns in your observations.

Step 4 โ€” Record

Make a graph or chart showing your results.

Check Your Understanding

Question 1

1 of 3

Which part of a plant captures sunlight?

Endangered Species and Conservation โ€” Habitats | 3rd Grade Science | LittleActivity | LittleActivity