Lesson 2 of 10 · Sink and Float
Lesson⭐ 30 XPMelting Ice
%22%20%2F%3E%0A%20%20%0A%20%20%20%20%20%20%20%20%3Ccircle%20cx%3D%22107%22%20cy%3D%22100%22%20r%3D%226%22%20fill%3D%22%23ccfbf1%22%20opacity%3D%220.9%22%20%2F%3E%0A%20%20%20%20%20%20%20%20%3Ccircle%20cx%3D%22238%22%20cy%3D%22188%22%20r%3D%224%22%20fill%3D%22%23ccfbf1%22%20opacity%3D%220.7%22%20%2F%3E%0A%20%20%20%20%20%20%20%20%3Ccircle%20cx%3D%22563%22%20cy%3D%2282%22%20r%3D%225%22%20fill%3D%22%23ccfbf1%22%20opacity%3D%220.85%22%20%2F%3E%0A%20%20%20%20%20%20%20%20%3Ccircle%20cx%3D%22689%22%20cy%3D%22213%22%20r%3D%227%22%20fill%3D%22%23ccfbf1%22%20opacity%3D%220.9%22%20%2F%3E%0A%20%20%20%20%20%20%20%20%3Ccircle%20cx%3D%22372%22%20cy%3D%22361%22%20r%3D%22100%22%20fill%3D%22%23ccfbf1%22%20opacity%3D%220.2%22%20%2F%3E%0A%20%20%20%20%20%20%20%20%3Ccircle%20cx%3D%22454%22%20cy%3D%22352%22%20r%3D%2260%22%20fill%3D%22%23ccfbf1%22%20opacity%3D%220.25%22%20%2F%3E%0A%20%20%20%20%20%20%0A%20%20%3Ctext%20x%3D%22400%22%20y%3D%22270%22%20font-size%3D%22180%22%20text-anchor%3D%22middle%22%20dominant-baseline%3D%22middle%22%20font-family%3D%22-apple-system%2C%20Segoe%20UI%2C%20Roboto%2C%20sans-serif%22%3E%E2%9A%A1%3C%2Ftext%3E%0A%3C%2Fsvg%3E)
Sink and Float.
🎯 Your mission
Learn the rule. Then catch nature using it.
⚡ The twist
Nature loves to surprise the careful watcher.
Mind = Blown
🔬 The more you look, the more nature shows you.
Make a hypothesis first
Before you start: write down what you think will happen, and why.
What You'll Learn
Ice is frozen water. When ice gets warm, it melts and turns back into water!
Key Words
Tap a word to see its definition.
Steps
Say the vocabulary words out loud. Can you repeat them?
Drop a rock and a feather into water. Which one sinks? Which one floats?
What happened? Tell a grown-up what you noticed.
Tell a grown-up your favorite part of the activity.
Check Your Understanding
Question 1
1 of 3What happens when ice gets warm?
Where you see this in real life
This shows up in your everyday life more than you'd think.
Stretch Challenge
Try this in real life this week.
Try one experiment in real life this week — even a tiny one.
For the dinner table
“What's the most surprising thing you learned today?”
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.
Ready?
Melting Ice
Learn the rule. Then catch nature using it.
Full screen — no distractions
Checkout complete lesson on Sink and Float for Pre-School
Get the full Sink and Float track as a printable PDF — all lessons, worksheets, and answer keys.