Lesson 39 of 84 ยท Earth Systems
Experimentโญ 30 XP๐ Rock RealmErosion: Moving Earth's Surface (Part 2)
Earth Systems.
๐ฏ Your mission
Run the experiment. Find out what really happens.
โก The twist
Weather isn't random โ it's just complicated.
Mind = Blown
๐ 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
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
Materials Needed
- water
- plastic tray
- magnifying glass
Safety First
- Do not look directly at the sun or bright lights.
- Clean up spills immediately to prevent slipping.
- Use materials only as directed in the experiment.
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
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 Earth Systems for 8th Grade
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