Float or Sink?

Lab Brief #1

🎯 Your mission

Understand the idea. Then look for it everywhere.

⚡ The twist

Nature loves to surprise the careful watcher.

What you'll learn

Wood floats in water, but a rock sinks. Heavy things often sink.

Key words · 1 of 2

water
A clear liquid made of hydrogen and oxygen that living things need.
heavy
Having a lot of weight and hard to lift.

Key words · 2 of 2

sink
To go down and settle below the surface of a liquid.

Make a hypothesis first

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

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

Step 1 of 4 · Read

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

Step 2 of 4 · Do

Drop a rock and a feather into water. Which one sinks? Which one floats?

Step 3 of 4 · Observe

Look closely! What do you see?

Step 4 of 4 · Record

Draw a picture of what you learned today.

Question 1 of 3

Does a rock sink in water?

Question 2 of 3

Does wood float in water?

Question 3 of 3

Does a feather float in water?

Mind = blown

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

Nice work!

You got 0 of 3 right.

Next: Melting Ice All lessons

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✨ More to explore

🌍 Where you see this in real life: This shows up in your everyday life more than you'd think.

🏆 Stretch challenge (try it 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?”

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