Lesson 49 of 84 · Earth's History
Experiment⭐ 30 XP🌋 Rock RealmMinerals and Their Properties (Part 2)
Earth's History.
🎯 Your mission
Set it up. Test it. Be amazed.
⚡ The twist
Weather isn't random — it's just complicated.
Mind = Blown
🌋 There are 1,500 active volcanoes on Earth right now.
Make a hypothesis first
Before you observe: what shape will it leave?
What You'll Learn
Minerals are naturally occurring, inorganic solids with a crystalline structure and definite chemical composition. Minerals are identified by hardness, luster, color, streak, and cleavage.
Key Words
- rock cycle
- aquifer
- watershed
Materials Needed
- spray bottle
- cups
- thermometer
- rain gauge
- cotton balls
- food coloring
Safety First
- Tie back long hair before starting the experiment.
Steps
Review the background information on Earth's History before starting.
Model plate tectonics using graham crackers on frosting. Push them together, pull them apart, and slide them past each other to show convergent, divergent, and transform boundaries.
Note any unexpected results and think about why they happened.
Share your findings with the class or a partner and discuss what you learned.
Check Your Understanding
Question 1
1 of 3What makes soil fertile?
Where you see this in real life
Today's weather, tomorrow's beach, next century's coastline — all this.
Stretch Challenge
Try this in real life this week.
Look at the sky for 5 minutes and try to predict tomorrow's weather.
For the dinner table
“What's the slowest change you can think of?”
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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