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Published byElisabeth Blair Modified over 9 years ago
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NONRENEWABLE AND RENEWABLE RESOURCES
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Terms to know Turbine - a rotary mechanical device that extracts energy from fluid flow and converts it to useful work Generator - a device that converts mechanical energy to electrical energy Renewable Nonrenewable
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NONRENEWABLE RESOURCES A nonrenewable resource is a natural resource that cannot be re-made or re-grown at a scale comparable to its consumption.
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COAL, PETROLEUM, AND GAS Coal, petroleum, and natural gas are considered nonrenewable because they can not be replenished in a short period of time. These are called fossil fuels.
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HOW IS COAL MADE ???
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HOW ARE OIL AND GAS MADE ???
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NUCLEAR ENERGY Nuclear fission uses uranium to create energy. Nuclear energy is a nonrenewable resource because once the uranium is used, it is gone!
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Getting electricity from steam… Pressure generated by steam pushes through a turbine, spinning it
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Spinning turbines use kinetic energy to turn a magnet inside a large generator, creating a flow of electrons.
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RENEWABLE RESOURCES Renewable resources are natural resources that can be replenished in a short period of time. ● Solar ● Geothermal ● Wind ● Biomass ● Water
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SOLAR Energy from the sun. Solar thermal heating Photovoltaic cells
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GEOTHERMAL Energy from Earth’s heat.
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WIND Kinetic Energy from the wind directly spins generator.
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BIOMASS Energy from burning organic or living matter.
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HYDROELECTRIC Kinetic Energy from the flow of falling water spins a turbine
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Tidal Energy from the rising tide is stored and released across a turbine
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