why a thermometer is used to measure temperature
Answers
Answer:
A thermometer is an instrument that measures temperature. It can measure the temperature of a solid such as food, a liquid such as water, or a gas such as air. ... Zero degrees Celsius is the freezing point of water, and 100 degrees Celsius is the boiling point of water. Three nations do not use the Celsius scale.
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Explanation:
Thermometer has metal inside it that is known as mercury.Mercury is a metal that is at liquid state in room and it reacts to temperature according to its chemical properties.In a mercury thermometer, a glass tube is filled with mercury and a standard temperature scale is marked. The mercury expands and contracts with the changes in the temperature. The mercury thermometers are used in laboratory experiments, households and industrial applications.
That's why Thermometer is used for measuring temperature