The Energy Story - Chapter 16: Wind Energy - 2 views
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shannonlan97 on 13 Mar 12inside of turbine picture
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Farmers have been using wind energy for many years to pump water from wells using windmills like the one on the right
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When a boat lifts a sail, it is using wind energy to push it through the water. This is one form of work.
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Wind is also used to turn large grinding stones to grind wheat or corn, just like a water wheel is turned by water power.
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Wind can be used to do work. The kinetic energy of the wind can be changed into other forms of energy, either mechanical energy or electrical energy
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If the wind gets too high, the turbine has a brake that will keep the blades from turning too fast and being damaged.
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You can use a single smaller wind turbine to power a home or a school. A small turbine makes enough energy for a house.