Heat Capacity
Sidney Starr
Heat capacity is a measure of the amount of heat it takes to change the temperature of a substance by one degree Celcius. Because materials have different heat capacities, different substances respond to heat in various ways. For instance, if a piece of copper is held over a fire, its temperature will rise very quickly. However, it will typically take water a few minutes over a fire before it becomes hot. This is because water has a much higher heat capacity than copper, so more energy is needed to raise its temperature by the same amount.
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