what causes local winds ?
objective
describe patterns of local winds
key term
monsoon : wind that changes direction with the reasons
12 modern windmills do not look much like the windmills used to pump water on farms. Some of the newer windmills look more like airplane propellers or eggbeaters. Instead of wood , they are made of new , lightweight materials.
Thinking Critically Why are fields with many windmills called wind farm ?
11 In some places , large windmill farms provide power for electric generators. Windmill farms may include hundreds or even thousands of windmills. Over 6000 wind generators located at Altamont pass , east of sun francisco , california , are already in operation and producing electricity. One of the largest windmills was in Medicine Bow , Wyoming. This one windmill provided enough electricity for 1200 homes. It was torn down in 2002
10 For years , farmers have used windmills to pump water. Today , many commu