Lesson 79 of 84 · Earth Materials

Experiment⭐ 30 XP🌋 Rock Realm

The Sun Warms the Earth (Part 3)

🧪Lab Brief #79

Earth Materials.

🎯 Your mission

Predict it first. Then prove yourself right (or wrong).

⚡ The twist

Today's mountain was yesterday's ocean floor.

🤯

Mind = Blown

🌋 There are 1,500 active volcanoes on Earth right now.

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Make a hypothesis first

Guess: where will the water go first?

What You'll Learn

The sun warms the land and water, which warms the air. Warm air rises and cool air sinks.

Key Words

erosion
landform
mountain

Materials Needed

thermometer
rain gauge
cotton balls
food coloring

Safety First

Use materials only as directed in the experiment.
Keep small objects away from young children.
Work in a well-ventilated area when using vinegar or other strong-smelling substances.

Steps

Step 1 — Read

Look at the picture and read the labels.

Step 2 — Do

Pour water on a pile of sand and a pile of rocks. Watch how the water flows differently.

Step 3 — Observe

Draw a picture of what you observe.

Step 4 — Record

Share your results with a partner.

Check Your Understanding

Question 1

1 of 3

What causes wind?

How sure are you going to be?😐 maybe

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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.

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For the dinner table

“What's the slowest change you can think of?”

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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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