Lesson 39 of 84 · Earth's History
Experiment⭐ 30 XP🌋 Rock RealmErosion: Moving Earth's Surface (Part 2)
Earth's History.
🎯 Your mission
Run the experiment. Find out what really happens.
⚡ The twist
Today's mountain was yesterday's ocean floor.
Mind = Blown
🪨 Every grain of sand on every beach used to be a mountain.
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
- earthquake
- volcano
Materials Needed
- sand
- clay
- water
- plastic tray
- magnifying glass
Safety First
- Clean up spills immediately to prevent slipping.
Steps
Review the background information on Earth's History 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
“What's the slowest change you can think of?”
Next Smart Experiment
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