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Not Right For WatchKnowLearn
Ages: 8 - 18
2136 Views:
Water: State of the Earth
From NationalGeographicVideo, produced by National Geographic
"In 2006 higher levels of carbon dioxide in the air had a negative impact on oceans, hitting marine life hard. A more acidic ocean means weaker shells and skeletons of billions of tiny sea creatures. These creatures may be small, but they create more... [more]
Found by jammin0 in Pollution
April 20, 2009 at 02:41 PM
Not Right For WatchKnowLearn
Ages: 7 - 11
5075 Views:
A Day on Earth - by StudyJams
From scholastic.com, 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
Not Right For WatchKnowLearn
Ages: 6 - 14
10296 Views:
Solid Liquid Gas Song
From YouTube, produced by They Might Be Giants
This professionally-made music video from They Might Be Giants sings about the three phases of matter: solids, liquids, and gases.  The video has very simply and repetative lyrics and shows examples of each state.  This is a wonderful introduction to... [more]
February 19, 2011 at 09:06 PM
Not Right For WatchKnowLearn
Ages: 8 - 18
2943 Views:
Sea Turtles
From teachersdomain.org, produced by WGBH
This video segment from Interactive NOVA: "Animal Pathfinders" examines the life history of the sea turtle, from its solitary habits at sea to its reliance upon beach habitats for breeding and egg-laying. This video is a great example of animal insti... [more]
October 2, 2010 at 11:30 AM
Not Right For WatchKnowLearn
Ages: 6 - 12
3171 Views:
Changes in Energy - Dams
From YouTube, produced by Phoenix Learning Group, Inc.
This video uses cartoon illustrations to show how energy is produced through the use of a dam. Color animation and narration. 1:39 sec.
July 12, 2009 at 07:45 PM
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