Lesson 11 of 84 · Earth Materials

Experiment⭐ 30 XP🌋 Rock Realm

Rivers and Streams

🧪Lab Brief #11

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

Rain fills up rivers, lakes, and ponds. Animals and plants need this water to live.

Key Words

storm
season

Materials Needed

rocks
sand
clay
water
plastic tray
magnifying glass

Safety First

Tie back long hair before starting the experiment.
Protect your work surface with newspaper or plastic.
Adult supervision recommended.

Steps

Step 1 — Read

Read about Earth Materials with a partner or grown-up.

Step 2 — Do

Keep a weather journal for 5 days. Each day draw the sky and write the temperature.

Step 3 — Observe

Watch carefully. What happens?

Step 4 — Record

Draw and write about what you learned.

Check Your Understanding

Question 1

1 of 3

What is a fossil?

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?”

🎯

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🖨️

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