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Heat Definitions
Term | Definition |
---|---|
Temperature | Measure of hotness or coldness of a body |
Heat | Energy due to the movement of the molecules within the body |
Thermometric Property | Physical property that changes measurably with temperature |
Heat Capacity | Amount of heat required to raise the temperature of a body by 1 K |
Specific Heat Capacity | Amount of heat required to raise the temperature of 1 kg of a substance by 1 K |
Latent Heat | Amount of heat required to change its state without a change in temperature |
Specific Latent Heat | Amount of heat required to change the state of 1 kg of a substance without a change in temperature |
Specific Latent Heat of Fusion | Amount of heat required to change 1 kg of a substance from solid to liquid without a change in temperature |
Specific Latent Heat of Vaporisation | Amount of heat required to change 1 kg of a substance from liquid to gas without a change in temperature |
Heat Conduction | When heat travels through a substance with no overall movement of the substance |
Heat Convection | When heat transfers through a fluid by means of circulating fluid |
Heat Radiation | When heat transfers by means of electromagnetic waves |
Solar Irradiance | Average amount of the Sun's energy falling per second, perpendicularly, on 1 metre squared of the Earth's surface |