Lesson 65 of 84 · Earth's History
Experiment⭐ 30 XP🌋 Rock RealmLandforms: Mountains, Valleys, Plains (Part 2)
Earth's History.
🎯 Your mission
Predict it first. Then prove yourself right (or wrong).
⚡ The twist
The slowest changes are the biggest ones.
Mind = Blown
🌊 The deepest part of the ocean is deeper than Mount Everest is tall.
Make a hypothesis first
Predict: which will erode faster?
What You'll Learn
Landslides occur when slopes become unstable due to heavy rain, earthquakes, or human activity. Gravity pulls loose rock and soil downhill, sometimes with devastating speed.
Key Words
- precipitation
- water cycle
Materials Needed
- rocks
- sand
- clay
Safety First
- Wear safety goggles when mixing liquids.
Steps
Study the diagram and label the parts you recognize.
Model plate tectonics using graham crackers on frosting. Push them together, pull them apart, and slide them past each other to show convergent, divergent, and transform boundaries.
Watch carefully for any changes and note the time.
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3What is the ozone layer?
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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