Lesson 79 of 84 · Matter
Experiment⭐ 30 XP🧪 Potion KitchenWhat Floats in Water? (Part 3)
What Floats in Water? (Part 3).
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ 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
Some liquids mix together (water and juice) and some do not (oil and water).
Key Words
- measure
- temperature
- water
Materials Needed
- thermometer
- strainer
- ice cubes
- salt
Safety First
- Work in a well-ventilated area when using vinegar or other strong-smelling substances.
- Dispose of materials properly after the experiment.
Steps
Look at the picture and read the labels.
Collect 10 small objects. Sort them into groups: solid, liquid, or gas.
Draw a picture of what you observe.
Share your results with a partner.
Check Your Understanding
Question 1
1 of 3Does salt dissolve 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.
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