Lesson 29 of 84 · Sink and Float

Lesson⭐ 30 XP

Hard Rocks and Soft Cotton

🧪Lab Brief #29

Sink and Float.

🎯 Your mission

Learn the rule. Then catch nature using it.

⚡ The twist

Nature loves to surprise the careful watcher.

🤯

Mind = Blown

🔬 The more you look, the more nature shows you.

🔮

Make a hypothesis first

Before you start: write down what you think will happen, and why.

What You'll Learn

When water boils, you see steam rising up. The water is turning into a gas!

Key Words

smooth
big
solid

Steps

Step 1 — Read

Listen carefully and repeat the new words about Sink and Float.

Step 2 — Do

Sort objects into groups: hard things and soft things.

Step 3 — Observe

Did anything change? Point to what is different.

Step 4 — Record

Point to the things you used in the activity.

Check Your Understanding

Question 1

1 of 3

Does wood float in water?

How sure are you going to be?😐 maybe

🌍

Where you see this in real life

This shows up in your everyday life more than you'd think.

🏆

Stretch Challenge

Try this in real life this week.

Try one experiment in real life this week — even a tiny one.

👨‍👩‍👧

For the dinner table

“What's the most surprising thing you learned today?”

🎯

Next Smart Experiment

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

⚡Share card

Share this experiment

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

🖨️

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