Lesson 28 of 84 · Matter and Atoms
Simulation⭐ 30 XP🧪 Potion KitchenConductors and Insulators
Matter and Atoms.
🎯 Your mission
Play with the model. Break it. Understand it.
⚡ The twist
If it bubbles, something invisible is escaping.
Mind = Blown
💧 Hot water can freeze faster than cold water under the right conditions. Nobody fully understands why.
Make a hypothesis first
Guess: will the fizz be loud, soft, or none at all?
What You'll Learn
Plasmas form when gases are heated to extremely high temperatures, stripping electrons from atoms. Stars, lightning, and neon signs all contain plasma.
Key Words
- conservation of mass
- solubility
- concentration
Steps
Read the introduction and identify the main idea of this lesson.
Heat ice and record the temperature every minute as it melts and then boils. Graph the temperature changes and label each phase change.
Note any unexpected results and think about why they happened.
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3What is the boiling point of water in Celsius?
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.
Checkout complete lesson on Matter and Atoms for 7th Grade
Get the full Matter and Atoms track as a printable PDF — all lessons, worksheets, and answer keys.