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Published byCameron Crawford Modified over 9 years ago
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Energy Transformation By: Courtney Benson, Thomas Knight, and Andrew Thomson
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Potential and Kinetic Potential energy is stored energy and the energy of position Kinetic energy is motion, the movement of energy These categories are further divided up into subcategories
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Types of Energy Potential: Chemical, mechanical, nuclear, gravitational, electric Kinetic: Radiant, thermal, motion, sound
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Entropy Disarray of atoms Ordered: solid-lower entropy Disordered:gas-high entropy Potential has less entropy than kinetic Predictability of the movement of particles
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First Chain The following energy transformation chain stems off of radiant energy First of two chains resulting from sun
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Solar Sun’s rays melts snow, radiant energy Entropy is increased water, from a solid to a liquid Reaction of hydrogen being fused together in a nuclear reaction Sun melting snow is thermal
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Hydroelectricity Gravitational potential energy water stored in water pushing against dam Turbines in dam extract electrical energy from high pressure
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How it Works Flow of water makes blades on turbine spin This rotates a spindle in the turbine, which leads into the generator Then energy is transferred into electrical energy
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Electricity in Action Electricity from dam used to power electric hybrid car Energy within rechargeable battery, electrical and chemical energy stored
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Pistons apply mechanical energy Run by batteries, but more directly move car Same pistons can power electromagnetic engines, which are magnetic as well as electric
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Second Chain The following energy transfer chain also begins with the sun's nuclear fusion process
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Tree grows off of radiant energy, solar from sun
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Tree falls, gravitational energy Same tree is caught by a forest fire, sparked by thermal energy
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Tree burning, chemical Increase in entropy Ashes are blown by kinetic wind
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Wind Wind blows windmill, kinetic Windmill pumps water, using electrical power
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Windmills produce energy much like hydropower plants do
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Water is heated by thermal energy Water is changed to steam, also thermal Increase of entropy, liquid to gas
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Steam directed through turbine to power electric generator, compressed, mechanical energy The generator runs propellors of a large ship
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Fan blade on a rotor, which is spun by rising steam Rotary motion runs a generator
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