Question

what is thermometer. how to measure

Answer 1

Answer:

Digital electronic thermometers measure temperatures with a heat sensor and require a button battery. They measure temperatures quickly, usually in less than 30 seconds. The temperature is displayed in numbers on a small screen. The same thermometer can be used to take rectal, armpit, and oral temperatures.

Answer 2

thermometers in which the thermometric material used is a liquid ,are known as liquid thermometers$.$

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liquid thermometers are two types:

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Mecury thermometer :

• the thermometric material use to measure temperature

• more precise than alcohol thermometer

• use to determine fever

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Alcohol thermometer:

• the thermometric material used to measure temperature is alcohol

• less precise than mercury thermometer

• used to determine temperature in the artic and antarctic circle

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