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14 Temperature
14.1 Thermal equilibrium
Candidates should be able to:
1 understand that (thermal) energy is transferred from a region of higher temperature to a region of lower
temperature
2 understand that regions of equal temperature are in thermal equilibrium
14.2 Temperature scales
Candidates should be able to:
1 understand that a physical property that varies with temperature may be used for the measurement of
temperature and state examples of such properties, including the density of a liquid, volume of a gas at
constant pressure, resistance of a metal, e.m.f. of a thermocouple
2 understand that the scale of thermodynamic temperature does not depend on the property of any
particular substance
3 convert temperatures between kelvin and degrees Celsius and recall that T/K = θ/ °C + 273.15
4 understand that the lowest possible temperature is zero kelvin on the thermo
