Lesson 25 of 84 · Earth Materials

Experiment⭐ 30 XP🌋 Rock Realm

How the Earth Changes

🧪Lab Brief #25

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.

🔮

Make a hypothesis first

Guess: where will the water go first?

What You'll Learn

A compass always points north because Earth has a magnetic field.

Key Words

lake
ocean

Materials Needed

magnifying glass
newspaper
spray bottle
cups
thermometer
rain gauge

Safety First

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

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

Which tool measures rainfall?

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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🖨️

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