Lesson 75 of 84 · Earth Systems
Experiment⭐ 30 XP🌋 Rock RealmWhich Way the Wind Blows (Part 3)
Earth Systems.
🎯 Your mission
Run the experiment. Find out what really happens.
⚡ The twist
Weather isn't random — it's just complicated.
Mind = Blown
🌊 The deepest part of the ocean is deeper than Mount Everest is tall.
Make a hypothesis first
Before you observe: what shape will it leave?
What You'll Learn
A weather vane shows which direction the wind is blowing. A windsock does too!
Key Words
Tap a word to see its definition.
Materials Needed
- cotton balls
- food coloring
- clear container
Safety First
- Do not mix unknown chemicals together.
Steps
Talk about what you already know about Earth Systems.
Sort rocks by color, size, and texture. Record how many are in each group.
Compare what happened to what you predicted.
Tell the class one thing you learned today.
Check Your Understanding
Question 1
1 of 3What is the hottest season?
Where you see this in real life
This is shaping the ground you walk on, slowly, every single day.
Stretch Challenge
Try this in real life this week.
Find a rock outside and try to guess how old it is.
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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