Lesson 19 of 84 · Earth's History
Lesson⭐ 30 XP🌋 Rock RealmGroundwater and Aquifers
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
Weather describes short-term atmospheric conditions like temperature, precipitation, and wind. Climate describes the average weather patterns in a region over a long period.
Key Words
- erosion
- weathering
Steps
Review the background information on Earth's History before starting.
Test rock hardness using Mohs scale: try scratching rocks with your fingernail, a penny, and a nail. Rank them from softest to hardest.
Draw a detailed diagram of what you observe.
Write a conclusion: what did your results show? Did they match your prediction?
Check Your Understanding
Question 1
1 of 3What type of rock forms from cooled magma?
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.
Checkout complete lesson on Earth's History for 6th Grade
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