Mon Prof Augmenté
Earth’s Water
Age 8 · Science
Most of Earth’s water is in the salty ocean. People drink mostly water pumped from deep underground, while lakes and rivers give a much smaller share.
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Age 8: open this week
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In the picture
- The ocean on the globe: salty water that covers most of Earth.
- The deep underground water layer: the main source of water people drink.
- The lake: surface freshwater that supplies a small share of drinking water.
- The river: surface freshwater that supplies a small share of drinking water.
Examples
- A well pump lifting water from deep underground.
- Drinking water taken from a river or lake after cleaning.
Key takeaways
- Most of Earth’s water is salty ocean water.
- Most drinking water comes from underground, not from lakes and rivers.
Quiz: Earth’s Water (Age 8)
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Where is most of Earth’s water?
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What is the main source of the water people drink?
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How much of the water people drink comes from lakes and rivers?
The answers, each with its explanation, are in the app. This lesson has left the free week, so its quiz is part of the subscription.
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