Lesson 9 of 15 · Earth Materials
Experiment⭐ 30 XP🌋 Rock RealmSorting Rocks
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Earth Materials.
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ 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 can be sorted by size, color, shape, and texture. Geologists study rocks to learn about Earth!
Key Words
Tap a word to see its definition.
Materials Needed
- food coloring
- rocks
Safety First
- Have an adult check your set-up before you start, and tidy everything away afterwards.
Steps
Look at the new words. Can you say each one?
Sort rocks by color, size, and texture. Record how many are in each group.
Watch carefully. What happens?
Draw and write about what you learned.
Check Your Understanding
Question 1
1 of 3What is the water cycle?
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.
Ready?
Sorting Rocks
Set it up. Test it. Be amazed.
Full screen — no distractions
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