20
Lesson 20 of 84 · Weather
ExperimentRainy Season, Dry Season
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
Materials Needed
- sand
- clay
- water
Safety First
- Handle glass items carefully to avoid breakage.
- Do not mix unknown chemicals together.
- Tie back long hair before starting the experiment.
Steps
Step 1 — Read
Talk about what you already know about Weather.
Step 2 — Do
Sort rocks by color, size, and texture. Record how many are in each group.
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?