Lesson 28 of 84 · Matter
Lesson⭐ 30 XP🧪 Potion KitchenMaking Predictions: Sink or Float
Making Predictions: Sink or Float.
🎯 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
Cotton absorbs water, but plastic does not. That is why raincoats are made of plastic!
Key Words
- property
- matter
Steps
Read the introduction. What is this lesson about?
Mix salt into warm water and cold water. Stir 20 times each. Which dissolves faster?
Look for something that changed. What is it?
Circle the correct answer on your worksheet.
Check Your Understanding
Question 1
1 of 3Is air made of matter?
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.
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