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Lesson 39 of 84 · Earth's History
ExperimentErosion: Moving Earth's Surface (Part 2)
What You'll Learn
Wind forms when the sun heats Earth's surface unevenly, creating pressure differences. Air moves from high pressure to low pressure areas, and Earth's rotation curves the wind paths.
Key Words
- earthquake
- volcano
Materials Needed
- sand
- clay
- water
- plastic tray
- magnifying glass
Safety First
- Clean up spills immediately to prevent slipping.
Steps
Step 1 — Read
Read and learn: Wind forms when the sun heats Earth's surface unevenly, creating pressure differences. Air moves from high pressure to low pressure areas, and Earth's rotation curves the wind paths.
Step 2 — Do
Conduct the experiment by following the instructions.
Step 3 — Observe
Look for patterns in your observations.
Step 4 — Record
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What is erosion?