27
Lesson 27 of 84 · Plants
ExperimentWhat Do Worms Do for Soil?
What You'll Learn
Decomposers like mushrooms and bacteria break down dead plants and animals, returning nutrients to the soil.
Key Words
- reptile
- amphibian
Materials Needed
- markers
- tape
- small pots
Safety First
- Be careful with scissors — ask an adult for help if needed.
- Do not look directly at the sun or bright lights.
Steps
Step 1 — Read
Read and learn: Decomposers like mushrooms and bacteria break down dead plants and animals, returning nutrients to the soil.
Step 2 — Do
Build or make something using your materials.
Step 3 — Observe
Use your senses to describe what you notice.
Step 4 — Record
Write 1-2 sentences about what happened.
Check Your Understanding
Question 1
1 of 3Where do polar bears live?