Lesson 61 of 84 · Earth Systems
Lesson⭐ 30 XP🌋 Rock RealmRiver Systems and Watersheds (Part 2)
Earth Systems.
🎯 Your mission
Learn the rule. Then catch nature using it.
⚡ The twist
Weather isn't random — it's just complicated.
Mind = Blown
🌊 The deepest part of the ocean is deeper than Mount Everest is tall.
Make a hypothesis first
Before you observe: what shape will it leave?
What You'll Learn
Earth's magnetic field extends from the core into space, protecting us from solar wind. It creates the Van Allen radiation belts and causes auroras near the poles.
Key Words
- evaporation
- condensation
- water cycle
Steps
Read about Earth Systems and write down three key facts.
Create a model of the water cycle in a bowl: place warm water in a bowl, cover with plastic wrap, put ice on top, and observe condensation and precipitation.
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 is a glacier?
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 Systems for 7th Grade
Get the full Earth Systems track as a printable PDF — all lessons, worksheets, and answer keys.