Lesson 38 of 84 · Sink and Float

Lesson⭐ 30 XP

Bubbles, Bubbles, Bubbles! (Part 2)

🧪Lab Brief #38

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

Bubbles are made of soap and air. Can you catch a bubble?

Key Words

melt
freeze

Steps

Step 1 — Read

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

Step 2 — Do

Touch ice and watch it change. What happens when it gets warm?

Step 3 — Observe

Use your eyes, ears, and hands to explore. What do you notice?

Step 4 — Record

Color a picture to show what happened.

Check Your Understanding

Question 1

1 of 3

Does a feather 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.

🖨️

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