Introduction Wind energy is becoming more and more popular across the U.S.—maybe you’ve even seen a wind farm close to where you live! In 2015 approximately 7 percent of the electricity used in the ...
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Pinwheel (If you do not have a pinwheel, you can make a homemade one using a sheet of paper, a pencil or pen, a round wooden skewer and scissors—see steps below.) If you're enjoying this article, ...