Lesson 40 of 84 · Sink and Float

Lesson⭐ 30 XP

What Is It Made Of? (Part 2)

🧪Lab Brief #40

Sink and Float.

🎯 Your mission

Understand the idea. Then look for it everywhere.

⚡ 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

You can sort objects by color, size, shape, or what they are made of.

Key Words

hot
cold

Steps

Step 1 — Read

Ask a grown-up to explain today's topic: Sink and Float.

Step 2 — Do

Pour water into different containers. Does the water change shape?

Step 3 — Observe

Draw a picture of what you see.

Step 4 — Record

Share what you learned with someone!

Check Your Understanding

Question 1

1 of 3

What is ice made of?

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.

🖨️

Checkout complete lesson on Sink and Float for Pre-School

Get the full Sink and Float track as a printable PDF — all lessons, worksheets, and answer keys.

View in Shop

Done with science? Try something else

🎮Science Games 🔢Math 📖Flashcards 🖨️Print Worksheet 💻Coding 🛍️Shop 🎲I'm Bored