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Wind

Wind. By: Nicholas McClay. Wind is the flow of gases on a large scale. Wind mills were first developed in China and Persia. Wind exists because the sun unevenly heats the surface of the Earth. As hot air rises, cooler air moves in to fill the void.

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Wind

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  1. Wind By: Nicholas McClay

  2. Wind is the flow of gases on a large scale. • Wind mills were first developed in China and Persia

  3. Wind exists because the sun unevenly heats the surface of the Earth. • As hot air rises, cooler air moves in to fill the void

  4. Most wind energy comes from turbines that can be as tall as a 20 story building and have three 200 ft. long blades. • Wind spins the blades, which turn a shaft connected to a generator that produces electricity.

  5. Wind is a clean source of renewable energy that produces no air or water pollution. • Wind farms have tens and sometimes hundreds of turbines lined up together.

  6. The biggest wind turbines generate enough electricity to supply about 600 U.S. homes. • Smaller turbines built in a backyard can produce enough electricity for a single home or small business.

  7. More and more people are using wind turbines to get electricity from the breeze. • Wind only provides a small fraction of the world's energy.

  8. Wind power is currently the fastest-growing source of electricity production in the world. • Wind mills have been in use since 2000 B.C.

  9. Works Cited • "Fun Wind Facts for Kids - Interesting Information about Wind." Fun Wind Facts for Kids - Interesting Information about Wind. N.p., n.d. Web. 24 Mar. 2014. • "Interesting Wind Energy Facts | Wind Energy Foundation." Interesting Wind Energy Facts | Wind Energy Foundation. N.p., n.d. Web. 22 Mar. 2014. • Padilla, Michael J., Martha Cyr, and IoannisMiaoulis. Prentice Hall Science Explorer. Needham, MA: Prentice Hall, 2000. Print. • "Wind Power." National Geographic. N.p., n.d. Web. 24 Mar. 2014.

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