Wind1

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Transcript of Wind1

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Wind is caused by Wind is caused by the uneven heating the uneven heating of the atmosphere. of the atmosphere. Some areas of the Some areas of the world, such as costal world, such as costal regions, have more regions, have more wind than others wind than others because the terrain because the terrain of the area is of the area is relatively flat and relatively flat and has few obstacles to has few obstacles to block the wind from block the wind from blowing.blowing.

Wind

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Wind

The wind blows naturally – it is not The wind blows naturally – it is not caused by human activity, and it caused by human activity, and it cannot be used up.cannot be used up.

The power of the wind drives The power of the wind drives sailboats. It has been used to sailboats. It has been used to power windmills that grind grain. power windmills that grind grain. Windmills can also use the circular Windmills can also use the circular movement of the blades to turn a movement of the blades to turn a turbine. This is increasingly used turbine. This is increasingly used as a means of generating as a means of generating electricity.electricity.

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Wind

Wind power does not make Wind power does not make greenhouse gas emissions. greenhouse gas emissions. It does not directly cause It does not directly cause pollution. However, critics pollution. However, critics of wind power say a large of wind power say a large number of windmills could number of windmills could cause problems for cause problems for animals, especially animals, especially migratory birds. Some migratory birds. Some people think the windmills people think the windmills are unattractive.are unattractive.

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1. What creates or causes wind?2. Where can wind be found?3. Is wind a renewable resource?4. How can wind be used as an energy source?5. In what ways is wind a good source of energy?6. What are the disadvantages to using wind as a source of energy?7. How do you use the resource of wind in your life, if at all?

Questions About Wind

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1. What creates or causes wind? Wind is caused by the uneven heating of the atmosphere.2. Where can wind be found? It can be found everywhere, though it is greater in coastal regions and other relatively flat terrains.3. Is wind a renewable resource? Yes, because it cannot be used up.4. How can wind be used as an energy source? Wind can power windmills to power turbines to make electricity.

Answers to Wind

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5. In what ways is wind a good source of energy? It doesn’t cause pollution and it is renewable.6. What are disadvantages to using wind as a source of energy? It could hurt some animals and some people think the windmills are ugly.7. How do you use the resource of wind in your life, if at all? Answers will vary.

Answers to Wind (cont.)