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Lesson 81 of 84 · Earth Materials
ExperimentObserving the Weather (Part 3)
What You'll Learn
A tornado is a powerful spinning wind that comes down from a thunderstorm cloud.
Key Words
- landform
- mountain
- river
Materials Needed
- clear container
- rocks
- sand
- clay
Safety First
- Do not taste any materials.
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
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?