Lesson 69 of 84 · Earth Materials

Experiment⭐ 30 XP🌋 Rock Realm

Erosion: Water Wears Away Rock (Part 3)

🧪Lab Brief #69

Earth Materials.

🎯 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

Rivers flow from high places to low places, carrying water, sand, and tiny rocks along the way.

Key Words

wind
storm

Materials Needed

spray bottle
cups
thermometer

Safety First

Protect your work surface with newspaper or plastic.
Adult supervision recommended.
Do not taste any materials.

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 happens when the sun heats water?

How sure are you going to be?😐 maybe

🌍

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.

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

🖨️

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