Temperature and Its Measurement

Temperature is a measure of how hot or cold a body is, reflecting the average kinetic energy of its particles. It is measured using thermometers calibrated on scales such as Celsius, Fahrenheit, and Kelvin, and it govern…

• Temperature is a scalar quantity that measures the degree of hotness or coldness of a body.
• Heat flows spontaneously from a hotter body to a colder body until thermal equilibrium is reached.
• A thermometer measures temperature via a property that changes predictably, such as expansion or resistance.

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