what is temperature?
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Temperature is a physical quantity that expresses hot and cold. It is the manifestation of thermal energy, present in all matter, which is the source of the occurrence of heat, a flow of energy, when a body is in contact with another that is colder. Temperature is measured with a thermometer.
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Temperature:- The degree of hotness and coldness of an object is called temperature.
☆ Temperature is measured by using a device (or instrument) called thermometer.
☆ The temperature is expressed in the unit of "degree Celsius" (which is written in the short form as °C).
☆ In the unit °C , the small circle at the top (°) denotes the term "degree" and the letter C denotes celcius.
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