WatchKnowLearn - Free Educational Videos for K-12 Students

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Ages: 7 - 11

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Air Pressure and Wind - by Study Jams

From scholastic.com, produced by Scholastic

Changes in air pressure, caused by air's height above sea level, temperature, and amount of water vapor, causes wind. The Earth's rotation also helps. It causes the Coriolis Effect, which makes the wind blow on a curved path. Learn more about the ... [more]

Found by begamatt in Wind

May 22, 2011 at 01:15 PM

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Ages: 14 - 18

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Conservation of Energy - Khan Academy

From YouTube, produced by Khan Academy

Using the law of conservation of energy to see how potential energy is converted into kinetic energy. This video, which is suitable for high school students, starts with a black screen because the instructor, in his conversational tone, uses it as a ... [more]

Found by teresahopson in Conservation of Energy

August 14, 2009 at 12:47 PM

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Ages: 13 - 18

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What are Science Variables?

From YouTube, produced by Justin Higgins

Concepts: Variables, Independent or Manipulated Variable, Independent or Responding Variable (05:19) Part of a Blended Classroom taught at Millard West High School. Produced for Millard Public Schools by Justin Higgins.

Found by jahiggins in Scientific Method

September 18, 2014 at 05:37 PM