Rotation and Revolution

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Not Right For WatchKnowLearn
Ages: 8 - 14
Earth in Motion: Seasons - Interactive Site
From, produced by Adler Planetarium
Earth's orbit around the Sun, together with the tilt of its axis, results in periodic climate changes around the globe known as seasons. Different locations experience different types of climate changes. For example, some places have extreme seasonal... [more]
September 6, 2010 at 12:43 PM
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Not Right For WatchKnowLearn
Ages: 7 - 11
A Day on Earth - by StudyJams
From, produced by Scholastic
As the Earth rotates, light from the sun hits different parts, giving us day and night.  During its orbit, the Earth's tilt on its axis also causes two hemispheres to be different distances from the sun, and that gives us seasons.  Learn more about t... [more]
May 22, 2011 at 06:06 PM
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Not Right For WatchKnowLearn
Ages: 9 - 16
Equinoxes and Solstices
From NationalGeographicVideo, produced by National Geographic
Twice a year, day and night fall into perfect balance. Some claim that this astronomical phenomenon, called the equinox, inspires ancient structures to reveal hidden secrets. Run time 02:38.
July 9, 2009 at 06:37 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
A Day On Earth
From YouTube
"A day on Earth is a deceivingly simple concept. Today we will examine that day on earth in detail. Perhaps uncovering a few surprises." This video starts with the basics about how the Earth travels around the sun, explains why we have solstice and e... [more]
July 26, 2009 at 05:31 PM
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