1. Wind

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

3. Wind The wind blows naturally – it is not caused by human activity, and it cannot be used up. The power of the wind drives sailboats. It has been used to power windmills that grind grain. Windmills can also use the circular movement of the blades to turn a turbine. This is increasingly used as a means of generating electricity.

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

5. Questions About Wind 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?

6. Answers to Wind 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.

7. Answers to Wind (cont.) 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.