Lesson 64 of 84 · Earth's History
Lesson⭐ 30 XP🌋 Rock RealmWind and Air Pressure (Part 2)
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
Caves form when slightly acidic water dissolves limestone over thousands of years. Stalactites hang from the ceiling and stalagmites grow from the floor as minerals are deposited.
Key Words
- precipitation
- water cycle
Steps
Review the background information on Earth's History before starting.
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.
Observe what happens and describe it in detail.
Record your observations in your science journal with measurements and descriptions.
Check Your Understanding
Question 1
1 of 3What is sediment?
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.
Checkout complete lesson on Earth's History for 6th Grade
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