Learn about Energy in this educational video from dizzo95.
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Male Speaker: Naturally occurring forms of energy are harness and converted into useable power, the force of flowing water was one of the first energy sources to be utilized by humans. Per centuries people have constructed wind mills to harness the natural energy of the wind. Wind energy can be converted directly into work, such as milling grain and pumping water or converted into electricity for use else where. Fossil fuels such as core can be recovered from the earth and burned to create energy, the energy of the sun can be collected by giant generators, or with smaller panels, and used to power anything from city electrical grids to our official earth satellites, chemical reactions also produce energy, batteries such as Nickel Cadmium and dry cell batteries can power cars, appliances and toys. Although energy has many beneficial uses in society, its power can also be destructive. Nuclear energy which is released by atomic chain reactions can be a devastating weapon in its un.
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