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Featured Videos
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Not Right For WatchKnowLearn
Ages: 8 - 14
2179 Views:
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This cartoon animation is about the parts of a leaf and their functions. Key words include: food factory, veins, midrib, blade, carbon dioxide, photosynthesis, and oxygen. (02:06)
January 20, 2012 at 05:04 AM
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Not Right For WatchKnowLearn
Ages: 4 - 7
7177 Views:
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Students learn how to read and use a pictograph by counting the number of objects in each row. Which object had the most? User clicks through the slides.
May 14, 2010 at 12:20 PM
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Not Right For WatchKnowLearn
Ages: 9 - 18
5940 Views:
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Thanks to modern technology, today's youngsters grow up knowing more about our sun, planets, and solar system than all the famous philosopher/scientists in history -- Archimedes, Aristotle, Democritus, Copernicus, Galileo, and Sir Isaac Newton. NASA ...allows us to take a close look at some of our most fascinating neighbors, from the sun to the eight known planets, and beyond to star clusters, nebulae, and galaxies. (07:59)
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September 16, 2011 at 04:59 AM
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Not Right For WatchKnowLearn
Ages: 11 - 18
4493 Views:
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There are other segments of this series on WatchKnow. This is the 'Earthquake Country' series which is suitable for middle school and high school students. Through live-action demonstrations and vivid animations, Dr. Pat Abbott explains how earthquak...es have shaped the scenery and the character of the greater Los Angeles area. Dr. Abbott shows how faults capable of large earthquakes lie beneath most of the area, posing great risk to the millions of people living in earthquake country. Animations illustrate how and why earthquakes happen, how mountains and valleys have formed as a result, how the ground will shake in large earthquakes, and why this shaking is so destructive to buildings. Dr. Abbott also shows how to evaluate your home for earthquake safety and explains how to reduce the devastating effects of earthquakes. This video is part of Dr. Abbott's "Written in Stone" series. (04:19)
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January 16, 2010 at 01:01 PM
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Not Right For WatchKnowLearn
Ages: 8 - 15
1985 Views:
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Ever hear of "Sol"? Sure you have! It's our Sun! It sits at the center of our 8-planet solar system, providing us with heat and light. But how does that energy get to us? In this episode of Crash Course Kids, Sabrina chats about the sun; what it is, ...how it works, and how the energy gets to us here on Earth. (03:03)
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June 25, 2017 at 08:28 AM
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Not Right For WatchKnowLearn
Ages: 10 - 18
3501 Views:
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This selection contains a slide show with diagrams showing the stages of mitosis accompanied by a song. The song begins," Mitosis is what happens when a cell divides, when it is done there will be two identical diploids, asexually is how these cells... are reproduced, we'll break it into five parts so it won't confuse.." (03:00)
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January 29, 2012 at 07:59 AM
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