Lesson 26 of 84 · Earth's History
Lesson⭐ 30 XP🌋 Rock RealmRiver Systems and Watersheds
Earth's History.
🎯 Your mission
Master the concept. Use it tomorrow.
⚡ 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
Earth's magnetic field extends from the core into space, protecting us from solar wind. It creates the Van Allen radiation belts and causes auroras near the poles.
Key Words
- mineral
- climate
- precipitation
Steps
Read about Earth's History and write down three key facts.
Create a model of the water cycle in a bowl: place warm water in a bowl, cover with plastic wrap, put ice on top, and observe condensation and precipitation.
Draw a detailed diagram of what you observe.
Write a conclusion: what did your results show? Did they match your prediction?
Check Your Understanding
Question 1
1 of 3What is a glacier?
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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