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By TED-Ed
Published in 2013
Fresh water accounts for only 2.5% of Earth's water, yet it is vital for human civilization. What are our sources of fresh water? In the first of a two part series on fresh water, Christiana Z. Peppard breaks the numbers down and discusses who is using it and to what ends.
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2
Award-winning science, math and technology videos for grades K-12.
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3
"""""The Mystery of Matter: Search for the Elements"""" is a multimedia project about one of the great adventures in the history of science: the long (and continuing) quest to understand what the world is made of – to identify, understand and organize the basic building blocks of matter. In a...
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Fun, interactive, research-based simulations of physical phenomena from the PhET project at the University of Colorado. Includes simulations in categories such as: physics, biology, chemistry, earth science, and math.
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5
Published in 2015
Where rivers meet the ocean, coastlines tend to bend either inward or outward, creating estuaries and deltas. But how do they get those shapes?
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