12 terms

Heat and Temperature

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Terms in this set (...)

Temperature
Measure of hotness of an object
Heat
A form of energy
Thermometric Property
A property that changes Measurably with changing temperature
Heat Capacity
Energy put in or give out divided by temperature change
Specific Heat Capacity
Energy out in or taken out divided by temperature change and mass of substance
Specific Latent Heat
Heat energy needed to change 1kg of the state of a substance without changing its temperature
Specific Latent Heat of Fusion of Ice
Heat energy needed to change 1kg of ice to water without a temperature change
Specific Latent a Heat of Vaporisation of Water
Heat energy needed to change 1kg of water to steam without a temperature change
Conduction
The transfer of heat in a solid, without overall movement of the substances molecules
Convection
Transfer of heat in a liquid due to the molecular motion of the substance
Radiation
Transfer of heat caused by electromagnetic radiation shining on an object
Solar constant
The average amount if the sun's energy falling per second on 1 metre squared of the Earth surface. It's value is 1.35 kWm-2