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There are 19 videos in this category and 0 videos in 0 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 7 - 11
1870 Views:
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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...he Earth's rotation with this cartoon animation from StudyJams. A short, self-checking quiz is also included with this link.
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May 22, 2011 at 06:06 PM
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Not Right For WatchKnowLearn
Ages: 11 - 16
1105 Views:
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Designing a sundial for the top of the earth, the North Pole, is easy. Move to another latitude and it becomes more difficult. This video looks at the issues around sundials and latitudes. To construct a sundial view the video "Create a Sundial - 4" ...The four videos in this series are "Time - 1", "Our Planet is a Clock - 2", "Sundials and Latitude - 3" and "Create a Sundial - 4"
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December 6, 2009 at 09:50 PM
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Not Right For WatchKnowLearn
Ages: 11 - 16
1060 Views:
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A short video moving through the history of human attempts to measure and record time. Daniel Boorstin, author of "The Discoverers" commented that "The first grand discovery was time, the landscape of experience." This video is intended as an introdu...ction to the three accompanying videos on designing and constructing sundials: The four videos in this series are "Time - 1", "Our Planet is a Clock - 2", "Sundials and Latitude - 3" and "Create a Sundial - 4"
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December 6, 2009 at 09:46 PM
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Not Right For WatchKnowLearn
Ages: 9 - 14
1045 Views:
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Earth Rotation and revolution around the sun which in turn is moving around the galaxy. (00:20)
January 16, 2011 at 08:23 PM
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Not Right For WatchKnowLearn
Ages: 11 - 16
1018 Views:
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short video showing how to set up a horizontal sundial. Learn more about sundials here.
December 6, 2009 at 09:48 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
719 Views:
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This video offers information as to the definition of a celestial sphere. The simple animations helps to undercore the concept. (02:45)
August 13, 2011 at 02:26 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
2947 Views:
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"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...quinox, and that the Earth's spin is slowing down and the length of the solar day is increasing due to gravitational tide between the Earth and the moon. It discusses daytime versus night. The video is high quality and pictures are awesome. (05:36)
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July 26, 2009 at 05:31 PM
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Not Right For WatchKnowLearn
Ages: 10 - 15
1093 Views:
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A short animation presenting the rotating earth as a huge clock spinning in space. All efforts to measure and record time, start with our rotating planet. Learning about sundials is a good topic for any science curriculum. This video is one of a seri...es explaining sundials.
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December 5, 2009 at 11:00 PM
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Not Right For WatchKnowLearn
Ages: 9 - 18
968 Views:
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This video has mesmerizing, beautiful views of the Earth's rotation with mellow music by Ryan Shore. The images are provided by NASA, Johnson Space Center. There are subtitles indicating the position of the Earth. (09:43)
May 3, 2010 at 09:08 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
909 Views:
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This video has mesmerizing, beautiful views of the Earth's rotation with mellow music by Ryan Shore. The images are provided by NASA, Johnson Space Center. There are subtitles indicating the position of the Earth. (10:02)
May 3, 2010 at 08:49 PM
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