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Energy (Types of Energy (Light (Not an energy store), Sound (Not an energy…
Energy
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Specific Latent Heat
The amount of energy needed to change the state of 1 kg of substance without changing its temperature
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When we heat e.g. ice and it changes state, while it changes state the temperature appears to stay constant. The Energy that we apply seems hidden. The energy is actually used to break the bonds between the atoms. The hidden energy is called latent heat
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Work done
Work is another way of saying energy transferred. work is the change of one type of energy to another. energy cannot be destroyed , it can only be changed from one type to others. Your body does lots of work every time you move as it changes chemical energy in food to kinetic energy.