Lesson 48 of 84 · Earth's History
Experiment⭐ 30 XP🌋 Rock RealmFossils: Clues to the Past (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
Fossils are preserved remains or traces of ancient organisms. They form when organisms are buried in sediment that hardens into rock over millions of years.
Key Words
- sediment
- igneous
- metamorphic
Materials Needed
- newspaper
- spray bottle
- cups
- thermometer
- rain gauge
Safety First
- Wear safety goggles when mixing liquids.
- Wash hands after handling materials.
- Be careful with scissors — ask an adult for help if needed.
Steps
Read the introduction and identify the main idea of this lesson.
Set up a weather station: use a thermometer, rain gauge (a jar with a ruler), and wind sock (a plastic bag on a stick). Record data for one week.
Compare the before and after states.
Write your conclusion: did the results match your hypothesis? What would you change next time?
Check Your Understanding
Question 1
1 of 3Which layer of Earth is the thinnest?
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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