50
Lesson 50 of 84 · Weather
ExperimentRainy Season, Dry Season (Part 2)
What You'll Learn
Earthquakes happen when the ground shakes. They are caused by movement deep under the Earth's surface.
Key Words
- erosion
- landform
- mountain
Materials Needed
- clear container
- rocks
- sand
- clay
- water
- plastic tray
Safety First
- Protect your work surface with newspaper or plastic.
- Adult supervision recommended.
- Do not taste any materials.
Steps
Step 1 — Read
Read and learn: Earthquakes happen when the ground shakes. They are caused by movement deep under the Earth's surface.
Step 2 — Do
Follow the steps one at a time.
Step 3 — Observe
Compare what happened to what you predicted.
Step 4 — Record
Tell the class one thing you learned today.
Check Your Understanding
Question 1
1 of 3What is soil made of?