Lesson 83 of 84 · Earth Systems
Lesson⭐ 30 XP🌋 Rock RealmCollecting Rocks (Part 3)
Earth Systems.
🎯 Your mission
Understand the idea. Then look for it everywhere.
⚡ The twist
The slowest changes are the biggest ones.
Mind = Blown
🪨 Every grain of sand on every beach used to be a mountain.
Make a hypothesis first
Predict: which will erode faster?
What You'll Learn
Rocks are always changing! Wind, water, and ice break them down very slowly.
Key Words
- mountain
- river
- lake
Steps
Read the introduction. What is this lesson about?
Make a mini water cycle: put warm water in a bowl, cover it with plastic wrap, and place an ice cube on top. Watch what happens.
Look for something that changed. What is it?
Circle the correct answer on your worksheet.
Check Your Understanding
Question 1
1 of 3What does a thermometer measure?
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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