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key concepts, conservation of energy - Coggle Diagram
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conservation of energy
energy stores
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thermal
any object, hotter it is, more energy has in its this store
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elastic potential
anything stretched, e.g. springs, rubber bands
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the greater on objects mass and faster it's going, more energy it has in its kinetic energy store
when object at any height above earth's surface has energy in its gravitational potential energy store
transferring energy
mechanically
force acting on object, e.g. pushing, stretching, squashing
electrically
charge doing work, e.g. charges moving around circuit
heating
energy transferred from hot object to cold object, e.g. heating pan on hob
radiation
energy transferred by waves, e.g. energy from sun to earth by light
energy stored, transferred between stores and dissipated (never created or destroyed). total energy of closed system has no net charge
closed system = collection object treated on its own, without any energy being exchanges to/from surroundings
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