Lesson 4 of 84 · Earth's History
Lesson⭐ 30 XP🌋 Rock RealmErosion: Moving Earth's Surface
Earth's History.
🎯 Your mission
Understand the idea. Then look for it everywhere.
⚡ The twist
Weather isn't random — it's just complicated.
Mind = Blown
🌋 There are 1,500 active volcanoes on Earth right now.
Make a hypothesis first
Before you observe: what shape will it leave?
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
Steps
Review the background information on Earth's History before starting.
Build a working model of a volcano using baking soda and vinegar. Observe the eruption and explain what causes real volcanic eruptions.
Look for patterns in your observations.
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What is erosion?
Where you see this in real life
Today's weather, tomorrow's beach, next century's coastline — all this.
Stretch Challenge
Try this in real life this week.
Look at the sky for 5 minutes and try to predict tomorrow's weather.
For the dinner table
“What's the slowest change you can think of?”
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
Share this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
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