36
Lesson 36 of 84 · Earth Systems
ExperimentSoil: What's In It? (Part 2)
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
Safety First
- Adult supervision recommended.
- Do not taste any materials.
Steps
Step 1 — Read
Read and learn: Soil is made of tiny rocks, dead plants, water, and air. Plants grow in soil.
Step 2 — Do
Measure using your ruler or measuring cup.
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?