6
Lesson 6 of 84 · Earth Materials
ExperimentSoil: What's In It?
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
- cotton balls
- food coloring
- clear container
Safety First
- Adult supervision recommended.
Steps
Step 1 — Read
Read about Earth Materials 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?