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Sun, Wind, Water, Oil

Sunlight, wind, and flowing water are replaced by nature. Oil, coal, and gas are limited and make dirty smoke when burned.

In the picture

  1. The sun: sends light and heat that can be used again and again.
  2. The wind turbine: turns moving air into electricity.
  3. The river dam: uses flowing water to make electricity.
  4. The oil pump: brings up oil, a fuel that is limited and cannot be replaced quickly.

Examples

  • A rooftop solar panel makes electricity from sunlight.
  • A car burns petrol made from oil and sends smoke out of its exhaust.

Quiz: Sun, Wind, Water, Oil (Age 8)

  1. Which of these keeps coming back naturally?

    • Wind
    • Coal
    • Oil
  2. Which of these is limited and cannot be replaced quickly?

    • Sunlight
    • Wind
    • Oil
  3. What happens when oil, coal, and gas are burned?

    • They make clean water
    • They turn into sunlight
    • They make dirty smoke

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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Science, Age 8