Lesson 40 of 84 · Matter
Lesson⭐ 30 XP🧪 Potion KitchenCooking Is a Chemical Change (Part 2)
Cooking Is a Chemical Change (Part 2).
🎯 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
Cooking changes food. A raw egg is liquid, but a cooked egg is solid. That is a chemical change!
Key Words
Tap a word to see its definition.
Steps
Talk about what you already know about Matter.
Stretch, bend, and tear different materials (paper, foil, rubber band). Record what happens to each.
Compare what happened to what you predicted.
Tell the class one thing you learned today.
Check Your Understanding
Question 1
1 of 3Does a liquid have its own shape?
Where you see this in real life
This is happening in your kitchen right now — every time food cooks.
Stretch Challenge
Try this in real life this week.
Find one ingredient in a snack and look up what it does.
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 for 2nd Grade
Get the full Matter track as a printable PDF — all lessons, worksheets, and answer keys.