Key terms for thermal physics 0.0 / 5 ? Physicsthermal physicsIGCSECIE Created by: Tishe deji robertsCreated on: 02-02-19 17:49 Molecule A tiny particle consisting of one, two or more atoms 1 of 12 Particle Any small piece of a substance; it could be one molecule or billions of molecules 2 of 12 Temperature A measure of the amount of internal or thermal energy within a body 3 of 12 Thermal energy Energy that flows in and out of the body by conduction, convection or radiation 4 of 12 Thermal capacity The amount of thermal energy needed to increase the temperature by 1 degree 5 of 12 brownian motion the haphazard movement of molecules 6 of 12 Absolute temperature 0 kelvin , =273 celcius 7 of 12 Boyles law states that pressure of a fixed mass of gas is inversely proportional to the volume provided that absolute temperature is kept constant 8 of 12 Charles law states that volume of a fixed mass is directly proportional to absolute temperature provided that pressure is kept constant 9 of 12 Pressure law states that Pressure of a fixed mass is directly proportional to absolute pressure as long as volume is kept constant 10 of 12 Latent heat the heat required to change the phase of a substance at constant temperature 11 of 12 Latent heat of fusion Heat that is absorbed by a solid during melting or heat given out by a liquid 12 of 12
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