Lesson 7 of 84 · Earth's History
Lesson⭐ 30 XP🌋 Rock RealmTypes of Rocks: Metamorphic
Earth's History.
🎯 Your mission
Understand the idea. Then look for it everywhere.
⚡ 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
The carbon cycle describes how carbon moves through atmosphere, biosphere, oceans, and rocks. Human activities like burning fossil fuels add extra carbon to the atmosphere.
Key Words
- atmosphere
- humidity
Steps
Look at the vocabulary words and write a definition for each in your own words.
Create a timeline of Earth's history on a 5-meter strip of paper. Place major events (first life, dinosaurs, ice ages, humans) at the correct scale.
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 3How do fossils form?
Where you see this in real life
This is shaping the ground you walk on, slowly, every single day.
Stretch Challenge
Try this in real life this week.
Find a rock outside and try to guess how old it is.
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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