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How does a thermometer tell the temperature?

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Lvl 1

∙ 15y ago

Updated: 11/9/2022

Bulb thermometers rely on the simple principle that a liquid changes its volume relative to its temperature. Liquids take up less space when they are cold and more space when they are warm (this same principal works for gases and is the basis of the hot air balloon.

Wiki User

∙ 15y ago

What else can I help you with?

Why is a thermometer useful?

It can tell you if you have a temperature...

What does a thermometer tell?

body temperature.

Why is thermometer used?

It can tell you if you have a temperature...

What do you use to tell the temperature outside?

Go outside and use a thermometer. Simple as that

How can you tell what temperature your pool water is?

Use a thermometer.

Does a thermometer tell you air pressure?

No a barometer does a thermometer measures temperature

What does a thermometer tell you?

A thermometer measures temperature. It tells you how hot or cold something is by showing a numerical value on a scale.

How can you tell the temperature in a weather system?

A thermometer works well for this.

How well can people tell the temperature of water?

a thermometer. obviously.

What is a way to tell temperature without a thermometer?

get an app on your iphone or computer

What instruments tell that it is 80 degrees?

A thermometer or a weather app can tell you the temperature in degrees Fahrenheit or Celsius.

How can you measure a body temperature?

What kind of thermometer you use to measure the body temperature