Lesson 79 of 84 · Natural Resources
Experiment⭐ 30 XPLayers of the Earth (Part 3)
Natural Resources.
🎯 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
Earth has three main layers: the thin outer crust, the thick mantle, and the dense core. The core has a liquid outer layer and a solid inner layer made mostly of iron.
Key Words
- humidity
- barometer
- anemometer
Materials Needed
- cups
- thermometer
- rain gauge
- cotton balls
- food coloring
- clear container
Safety First
- Use materials only as directed in the experiment.
Steps
Review the background information on Natural Resources before starting.
Model erosion: tilt a tray of soil and pour water from a cup at the top. Observe how channels form. Try adding plants or rocks to slow the erosion.
Watch carefully for any changes and note the time.
Create a data table to organize your measurements.
Check Your Understanding
Question 1
1 of 3What causes earthquakes?
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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