Lesson 25 of 84 · Fossils
Experiment⭐ 30 XPHow a Compass Works
How a Compass Works.
🎯 Your mission
Run the experiment. Find out what really happens.
⚡ 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
A compass always points north because Earth has a magnetic field.
Key Words
Tap a word to see its definition.
Materials Needed
- sand
- clay
- water
- plastic tray
Safety First
- Use materials only as directed in the experiment.
- Keep small objects away from young children.
Steps
Talk about what you already know about Fossils.
Sort rocks by color, size, and texture. Record how many are in each group.
Compare what happened to what you predicted.
Tell the class one thing you learned today.
Check Your Understanding
Question 1
1 of 3Which tool measures rainfall?
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.
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