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Lesson 66 of 84 · Earth Systems
ExperimentSoil: What's In It? (Part 3)
What You'll Learn
Soil is made of tiny rocks, dead plants, water, and air. Plants grow in soil.
Key Words
- rain
- snow
- wind
Materials Needed
- cups
- thermometer
- rain gauge
Safety First
- Tie back long hair before starting the experiment.
- Protect your work surface with newspaper or plastic.
- Adult supervision recommended.
Steps
Step 1 — Read
Read about Earth Systems with a partner or grown-up.
Step 2 — Do
Keep a weather journal for 5 days. Each day draw the sky and write the temperature.
Step 3 — Observe
Watch carefully. What happens?
Step 4 — Record
Draw and write about what you learned.
Check Your Understanding
Question 1
1 of 3What is erosion?