Lesson 81 of 84 · Matter
Experiment⭐ 30 XP🧪 Potion KitchenStretchy and Springy (Part 3)
Stretchy and Springy (Part 3).
🎯 Your mission
Run the experiment. Find out what really happens.
⚡ The twist
Color changes mean atoms are rearranging — even if you can't see them.
Mind = Blown
🌈 Every color you see is your brain inventing a translation of light frequencies.
Make a hypothesis first
Before you mix: what color do you think it'll turn?
What You'll Learn
Stretchy materials like rubber bands can be pulled and they bounce back to their shape.
Key Words
Tap a word to see its definition.
Materials Needed
- balloons
- measuring cups
- paper towels
- thermometer
Safety First
- Be careful with scissors — ask an adult for help if needed.
Steps
Read about Matter with a partner or grown-up.
Test 5 objects from your house: put each one in water. Make a chart of which sink and which float.
Watch carefully. What happens?
Draw and write about what you learned.
Check Your Understanding
Question 1
1 of 3What happens when water gets very cold?
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 for 2nd Grade
Get the full Matter track as a printable PDF — all lessons, worksheets, and answer keys.