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Sun Heats Ground Unevenly

The sun warms some places on the ground more than others. Warm air rises, cooler air slides in low, and this moving air is called wind.

In the picture

  1. Sunlit ground: it warms the air above it.
  2. Upward arrow: warmed air rises.
  3. Low arrow: cooler air slides in underneath.

Examples

  • A sea breeze near the shore on a sunny afternoon.
  • Air moving through an open window when one room is warmer.

Quiz: Sun Heats Ground Unevenly (Age 10)

  1. How does the sun heat land and water?

    • It cools them down.
    • It heats them all the same.
    • It heats them unevenly.
  2. What happens to air that the sun warms?

    • It sinks.
    • It rises.
    • It stays still.
  3. What does cooler air do near warmer rising air?

    • It slides in underneath.
    • It rises above the warm air.
    • It moves away from the warm air.

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 10