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There are 23 videos in this category and 0 videos in 0 subcategories.
Category Videos
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Not Right For WatchKnowLearn
Ages: 9 - 18
908 Views:
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This ten-minute video demonstrates how to construct a model windmill and then calculate its power output.
April 28, 2010 at 08:46 PM
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Not Right For WatchKnowLearn
Ages: 8 - 18
379 Views:
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This animation presents the characteristics of wind power as a source of clean energy. The force of moving air generates electricity, by rotating blades around a rotor. The motion of the rotor turns a driveshaft that drives an electric generator.The ...viewer may examine how a wind turbine works by pausing and clicking on its components. They include a gear box, rotor, high-speed shaft, generator, wind vane, yaw drive, yaw motor, anemometer, controller, tower, and brake.Wind power is a feasible source of electricity in a variety of settings, and wind farms can operate on or off the electrical grid.
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May 27, 2012 at 05:36 PM
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Not Right For WatchKnowLearn
Ages: 11 - 18
359 Views:
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Imagine that in order to play computer games, listen to music, or talk on the phone, you first had to find a way to generate the electricity to power your electronic devices. Most people in the United States access electricity simply by plugging into... a wall outlet or flipping a switch. Their homes are connected to power plants through the electrical grid, an extensive network of cables and wires that carry electrical current. However, whether by choice or by circumstance, some people are detached from this grid. This interactive activity produced for Teachers' Domain presents three such scenarios and challenges users to design systems that will generate electricity by harnessing the wind.
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May 18, 2012 at 12:00 AM
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Not Right For WatchKnowLearn
Ages: 14 - 18
223 Views:
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In this video, learn about wind turbines: how they work, who takes care of them, and what they produce. (03:26)
January 12, 2013 at 04:15 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
124 Views:
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Learn more about wind power in this clip from America Revealed. (03:00)
January 13, 2013 at 05:19 PM
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Not Right For WatchKnowLearn
Ages: 14 - 18
114 Views:
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Learn how the state of California is using wind to maximize the amount of energy they consume to be from a sustainable source in this clip from America Revealed. (01:42)
January 13, 2013 at 02:54 PM
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Not Right For WatchKnowLearn
Ages: 9 - 18
1185 Views:
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Iowa Wind Power
From NationalGeographicVideo, produced by National Geographic
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A school district in Iowa is using wind power to power help power the district. You learn how these wind turbines help create energy and help save the environment at the same time. Run time 02:29.
April 20, 2009 at 02:01 PM
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Not Right For WatchKnowLearn
Ages: 8 - 13
625 Views:
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See how wind turbines generate clean electricity from the power of the wind. Highlighted are the various parts and mechanisms of a modern wind turbine. (02:16)
November 20, 2011 at 09:07 PM
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Not Right For WatchKnowLearn
Ages: 9 - 15
1177 Views:
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Everything you ever wanted to know about the Palm Springs or any other windmills, but were afraid to ask. KESQ-TV's Gil Diaz goes behind the locked gates to reveal the "Secrets of the Windmills". Video gives specifics of the wind mill, 228 feet tall... and blades nearly 100 feet long. There are about 4,800 wind mills, they were first installed in 1981, they installed as an experiment by NASA. Where they are installed is the second most consistently windy place in the world, the first is in Africa. The wind turbines generate enough 140,000 to 190,000 homes. The cost of one wind turbine is about $1.5 million. People who live near-by do not like them, but comment that they are a benefit. Somewhat poor quality of video but information is good. Good for middle elementary grade students. Run time 03:29.
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July 24, 2009 at 06:25 AM
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Not Right For WatchKnowLearn
Ages: 11 - 18
1088 Views:
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Wind power is generated by erecting a large tower equipped with propellers that spin when the wind pushes the blades, which are connected to an electric generator. Learn how wind power can be used to generate electricity. (01:54)
February 20, 2011 at 08:31 AM
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