TV on a Rolling Cart

Earth's Seasons

From Bill Nye the Science Guy · 1994

Earth's Seasons
23 min3rd4th5th6thScience
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Summary

Bill busts the 'closer to the Sun' myth and shows that Earth's tilt - not its distance - gives us seasons and changing daylight through the year.

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All ages
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Teaching resources

Discussion questions

Discussion

Bill busts the 'closer to the Sun' myth and shows that Earth's tilt - not its distance - gives us seasons and changing daylight through the year..

  1. Why isn't it summer everywhere at the same time?
  2. What really causes the seasons to change?
  3. Why are days longer in summer than in winter?

Quick work-a-long

Vocabulary: tilt, season, daylight.

Try it: Use a flashlight and a tilted ball to show why one half of Earth gets more direct light.