Lesson 81 of 84 · Sink and Float

Lesson⭐ 30 XP

Squish and Stretch (Part 3)

🧪Lab Brief #81

Sink and Float.

🎯 Your mission

Master the concept. Use it tomorrow.

⚡ 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 you mix baking soda and vinegar, it fizzes and bubbles! That is a reaction.

Key Words

bubble
pour

Steps

Step 1 — Read

Have a grown-up read about Sink and Float to you.

Step 2 — Do

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

Step 3 — Observe

Look closely! What do you see?

Step 4 — Record

Draw a picture of what you learned today.

Check Your Understanding

Question 1

1 of 3

Is water a liquid?

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

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