Lesson 18 of 84 · Weathering and Erosion
Lesson⭐ 30 XP🌋 Rock RealmEarth's Atmosphere
Weathering and Erosion.
🎯 Your mission
Understand the idea. Then look for it everywhere.
⚡ The twist
The slowest changes are the biggest ones.
Mind = Blown
🪨 Every grain of sand on every beach used to be a mountain.
Make a hypothesis first
Predict: which will erode faster?
What You'll Learn
The atmosphere has several layers. The troposphere (closest to Earth) contains our weather. The stratosphere contains the ozone layer that protects us from harmful ultraviolet radiation.
Key Words
- sedimentary
- fossil
Steps
Read the introduction and identify the main idea of this lesson.
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.
Look for patterns in your observations.
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What is the atmosphere?
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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