Lesson 6 of 10 · Sink and Float
Lesson⭐ 30 XPGritty Sand
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Sink and Float.
🎯 Your mission
Master the concept. Use it tomorrow.
⚡ 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
Sand is made of tiny pieces of rock. It feels rough and gritty.
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?
Look closely! What do you see?
Draw a picture of what you learned today.
Check Your Understanding
Question 1
1 of 2Does a rock sink in water?
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?
Gritty Sand
Master the concept. Use it tomorrow.
Full screen — no distractions
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