Wind Power

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by AHS2020018
Last updated 5 years ago

Discipline:
Science
Subject:
Energy & Environment
Grade:
6

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Wind Power

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Wind Energy

Environmental sustainability ensures that planet Earth and all of its resources can continue to provide homes for humans and animals.

Wind energy involves the wind turning the blades of a 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, this is enough energy to power a few farm machines.

Wind energy helps us with our everyday life by sending a reliable electricity source to our homes.

http://sustainableschools.org/documents/Sustainability%20for%20kids%20070302.pdf

Wind energy helps our environment a lot because wind turbines do not pollute and it is a renewable energy source so we do not have to dig up the earth like we have to do with coal.

HELP THE ENVIRONMENT USE WIND ENERGY

Wind is air in motion. It is produced by the uneven heating of the earth’s surface by the sun. Since the earth’s surface is made of various land and water formations, it absorbs the sun’s radiation unevenly. When the sun is shining during the day, the air over landmasses heats more quickly than the air over water. The warm air over the land expands and rises, and the heavier, cooler air over water moves in to take its place, creating local winds. At night, the winds are reversed because the air cools more rapidly over land than over water.

FACTS1. In 200 B.C., people in China and the Middle East used windmills to pump water and grind grain.2. The first modern wind turbine was built in Vermont in the early 1940s.

3. Wind farms currently produce enough electricity to meet the needs of more than 600,000 families in the United States.4. The largest wind turbine in the world, located in Hawaii, stands 20 stories tall and has blades the length of a football field.


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