Lesson 46 of 84 ยท Climate
Lessonโญ 30 XP๐ Rock RealmEarthquakes: When the Ground Shakes (Part 2)
Earthquakes: When the Ground Shakes (Part 2).
๐ฏ Your mission
Understand the idea. Then look for it everywhere.
โก The twist
The slowest changes are the biggest ones.
Mind = Blown
๐ชจ 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
Earthquakes happen when stress builds up along faults in Earth's crust and suddenly releases. Seismic waves radiate from the focus, shaking the ground.
Key Words
- mineral
- igneous
- metamorphic
Steps
Read about Climate and write down three key facts.
Test rock hardness using Mohs scale: try scratching rocks with your fingernail, a penny, and a nail. Rank them from softest to hardest.
Look for patterns in your observations.
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What is an aquifer?
Where you see this in real life
Today's weather, tomorrow's beach, next century's coastline โ 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
โWhat's the slowest change you can think of?โ
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 Climate for 8th Grade
Get the full Climate track as a printable PDF โ all lessons, worksheets, and answer keys.
