Lesson 3 of 30 · Matter
Lesson⭐ 30 XP🧪 Potion KitchenFloat or Sink?
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Float or Sink?.
🎯 Your mission
Understand the idea. Then look for it everywhere.
⚡ The twist
If it bubbles, something invisible is escaping.
Mind = Blown
🧪 If you could remove all the empty space from atoms, the entire human race would fit in a sugar cube.
Make a hypothesis first
Guess: will the fizz be loud, soft, or none at all?
What You'll Learn
Wood floats in water, but a rock sinks. Heavy things often sink.
Key Words
Tap a word to see its definition.
Steps
Say the vocabulary words out loud. Can you repeat them?
Drop a rock and a feather into water. Which one sinks? Which one floats?
Use your eyes, ears, and hands to explore. What do you notice?
Color a picture to show what happened.
Check Your Understanding
Question 1
1 of 3Does a rock sink in water?
Where you see this in real life
Your toothpaste, your soap, even your breakfast involves this.
Stretch Challenge
Try this in real life this week.
Ask a grown-up to help you mix two safe kitchen things. Predict what will happen first.
For the dinner table
“What's something we cook that mixes things together this way?”
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
Share this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
Ready?
Float or Sink?
Understand the idea. Then look for it everywhere.
Full screen — no distractions
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