Temperature and Thermometer

Definition of Temperature

Temperature is a measure of the degree of hotness or coldness of a body.  It is measured by means of a thermometer.  The S. I. Unit of temperature is the Kelvin.  However, it is also measured in degree Celsius.

The Thermometer

File:Thermometer CF.svg - Wikipedia

The thermometer is the instrument used for measuring temperature.  There are various types of thermometer, e.g. liquid-in-glass thermometer and the thermocouple.  Each one makes use of the change in the physical properties of materials they are made of, to indicate temperature change.

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