Jan 5, 2016

Do you Know about Wind Power???

In 200 B.C., people in China and the Middle East used windmills to Pumb water and grind grain.

The first modern wind turbine was built in Vermont in the early 1940s.

Using the wind to create electricity hack been around for a long time, you'v probably seen windmills on farms. When the wind turns the blades of the windmill, it spins a turbine inside a small generator to produce electricity, just like a big coal power plant.

A windmill on a farm can make only a small amount of electricity, enough to power a few farm machines. To make enough electricity to serve lots of people, power companies build "wind farms"   with dozens wind turbines.

Wind farms are built in flat, open areas where the wind blows at least 14 miles per hour .



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