Land and Water

Lab Brief #7

🎯 Your mission

Learn the rule. Then catch nature using it.

⚡ The twist

Today's mountain was yesterday's ocean floor.

What you'll learn

The Earth is covered with land and water. Most of the Earth is water!

Key words

Make a hypothesis first

Guess: where will the water go first?

Say your guess out loud — then find out if you were right.

Step 1 of 3 · Read

Say the vocabulary words out loud. Can you repeat them?

Step 2 of 3 · Observe

Did anything change? Point to what is different.

Step 3 of 3 · Record

Point to the things you used in the activity.

Question 1 of 2

Is most of the Earth land or water?

Question 2 of 2

What are the two things that cover the Earth?

Mind = blown

🪨 Every grain of sand on every beach used to be a mountain.

Nice work!

You got 0 of 2 right.

🎯

We'll pick an experiment that matches exactly how you're thinking right now.

✨ More to explore

🌍 Where you see this in real life: Today's weather, tomorrow's beach, next century's coastline — all this.

🏆 Stretch challenge (try it 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?”

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

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