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Earths motions
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Rotates on its axis Revolves around the sun
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Why do we have seasons?
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- Changing sun angel - changing length of daylight- earth's changing orientation to the sun
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Name the Four Special Days (N Hem)
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- Summer Solstice - Winter Solstice - Autumnal Equinox - Spring Equinox
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Summer Solstice
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- June 21-22 - Sun's vertical rays are located at the tropic of Cancer (23 degrees N latitude)
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Winter Solstice
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- December 21-22 - Sun's vertical rays are located at the tropic of capricorn (23 degrees N latitude)
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