Lesson 20 of 84 · Earth's History
Lesson⭐ 30 XP🌋 Rock RealmNatural Resources and Conservation
Earth's History.
🎯 Your mission
Master the concept. Use it tomorrow.
⚡ The twist
The slowest changes are the biggest ones.
Mind = Blown
🌊 The deepest part of the ocean is deeper than Mount Everest is tall.
Make a hypothesis first
Predict: which will erode faster?
What You'll Learn
Natural resources include materials from Earth that people use. Renewable resources (trees, solar energy) can be replenished. Nonrenewable resources (coal, oil) are limited.
Key Words
- erosion
- weathering
Steps
Study the diagram and label the parts you recognize.
Build a working model of a volcano using baking soda and vinegar. Observe the eruption and explain what causes real volcanic eruptions.
Compare the before and after states.
Write your conclusion: did the results match your hypothesis? What would you change next time?
Check Your Understanding
Question 1
1 of 3What is a natural resource?
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
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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