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Word Count: 449
One of the earliest ways to harness power is to use the powerful flow of water On September 30th 1882 in Appleton Wisconsin the first ever dam was built Since then over 2044 billion-kilowatt hours have been produced each day worldwide This source of energy is being used more and more days because it is so dependable But how does it actually work and produce electricity First of all dams are located in a position where water moves swiftly and quickly This is very important When the water enters the dam it goes through a series of giant pipes At this point the water hit the paddles of the turbine causing it to spin From there the water goes to the end of the dam and continues its regular flow in the river To find out where the electricity comes from we must go back to the turbines As the turbines spin a long thick stick that protrudes out the side is connected to a generator filled with magnets This is where all the electrons are produced Lastly the power is then flows through power lines and reaches homes and businesses in the area There are many advantages to using dams Fist of all we basically have an unlimited source of water Also these dams are sturdy and could last for years and years In addition dams dont add any pollution which nuclear and fossil fuels do to the environment which is now a major problem Lastly its a reliable source Unlike wind power and solar power we could use it day and night and we know it will be around the next day There are a few disadvantages towards having a dam First of all they are very costly Dams have a lot of expensive equipment Also a dam requires a lot of space to build and powerful water Both of these requirements make finding a place to build a dam hard to
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