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Tilted Earth and Sunlight

Earth leans a little as it travels around the Sun. That lean makes sunlight hit the two halves differently and makes days longer or shorter, so one half gets summer while the other gets winter.

In the picture

  1. The tilted axis rod: the globe leans instead of standing straight.
  2. A direct ray: sunlight arriving steeply on one half of the globe.
  3. A slanted ray: sunlight arriving at a low angle on the other half.
  4. A leafy tree: the half with more direct sunlight and longer days.

Examples

  • In July, children in Australia wear jackets while children in Canada wear shorts.
  • At the same time, a tree in one country may be leafy while a tree in another country is bare.

Quiz: Tilted Earth and Sunlight (Age 8)

  1. According to the card, what does Earth’s tilt do as Earth travels around the Sun?

    • It keeps pointing the same way.
    • It stands straight up.
    • It changes direction every season.
  2. Why does one half of Earth get summer while the other half gets winter?

    • Earth’s tilt changes direction every season.
    • Sunlight hits the two halves differently and days are longer or shorter.
    • The Sun moves closer to one half of Earth.
  3. What makes a hemisphere warmer, according to the card?

    • Less direct sunlight and shorter days.
    • More direct sunlight and longer days.
    • Being farther away from the Sun.

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