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seasons,moon vocab

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Seasons   A subdivision of the year identified by the changes of weather and hours of daylight.  
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Direct light   Light that hits a surface from a ninety degree angle.  
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Indirect light   Light that hits a surface from more or less of a ninety degree angle.  
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Earth's tilt   The tilt of the earth that causes the seasons to occur.  
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Orbit   The circular path of an object around a another object in space.  
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Revolution(revolve)   To go around an object.  
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Axis   An imaginery line on which an object rotates.  
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Rotation(rotate)   To move around in a circle on an axis.  
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Solstice   Either of the two times in the year when the sun reaches its highest or lowest point.  
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Equinox   Either of the two days when the hours of daylight and the hours of night are equal.  
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Moon phases(space view)   The phases of the moon where the moon is in different positions around the earth but only half of the moon is illuminated.  
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Moon phases(earth view)   The phases of the moon where different parts of the moon is illuminated.  
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Gibbous   When the illuminated part of the moon is greater than a semi circle but less than a full circle.  
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Cresent   When the illuminated part of the moon is less than a semi circle but greater than no circle.  
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Waxing   When the illuminated part of the moon is increasing up to a full moon.  
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Waning   When the illuminated part of the moon is decreasing down to a new moon.  
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