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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 |