Lesson 4 of 84 ยท Earth Systems
Lessonโญ 30 XP๐ Rock RealmErosion: Moving Earth's Surface
Earth Systems.
๐ฏ Your mission
Master the concept. Use it tomorrow.
โก The twist
Today's mountain was yesterday's ocean floor.
Mind = Blown
๐ There are 1,500 active volcanoes on Earth right now.
Make a hypothesis first
Guess: where will the water go first?
What You'll Learn
Wind forms when the sun heats Earth's surface unevenly, creating pressure differences. Air moves from high pressure to low pressure areas, and Earth's rotation curves the wind paths.
Key Words
- erosion
- weathering
- sediment
Steps
Review the background information on Earth Systems before starting.
Build a working model of a volcano using baking soda and vinegar. Observe the eruption and explain what causes real volcanic eruptions.
Look for patterns in your observations.
Make a graph or chart showing your results.
Check Your Understanding
Question 1
1 of 3What is erosion?
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
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 Earth Systems for 8th Grade
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