Lesson 20 of 84 · Earth Materials

Experiment⭐ 30 XP🌋 Rock Realm

Rainy Season, Dry Season

🧪Lab Brief #20

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

Earthquakes happen when the ground shakes. They are caused by movement deep under the Earth's surface.

Key Words

erosion
landform

Materials Needed

rocks
sand
clay
water

Safety First

Protect your work surface with newspaper or plastic.
Adult supervision recommended.

Steps

Step 1 — Read

Talk about what you already know about Earth Materials.

Step 2 — Do

Sort rocks by color, size, and texture. Record how many are in each group.

Step 3 — Observe

Compare what happened to what you predicted.

Step 4 — Record

Tell the class one thing you learned today.

Check Your Understanding

Question 1

1 of 3

What is soil made of?

How sure are you going to be?😐 maybe

🌍

Where you see this in real life

Today's weather, tomorrow's beach, next century's coastline — all this.

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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.

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Send it to a parent who's looking for a 10-minute kitchen science win.

🖨️

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