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How does thermometer change over time?

Updated: 9/19/2023
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Q: How does thermometer change over time?
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Continue Learning about Physics

What is a probe thermometer?

this is a thermometer that can work twice as much as a normal thermometer or a thermometer that can check the temperature of two things at the same time


Does the earth's rate of speed change over time?

You don't say which speed, but all change over time.


How do thermometers measure change in temperatures?

by the mercury in the thermometer


How do you tell how hot or cold something is?

use a thermometer.We can feel how hot or cold something is. However, sometimes things are just too hot or cold for us to feel safely. At other times we need to know exactly how hot or cold something is. When we need to measure temperature correctly we need to use an instrument called a thermometer. This measures temperature in degrees Celsius [sometimes called centigrade] or degrees Fahrenheit. There are different types of thermometers for different situations. A medical thermometer, for example, needs to be very accurate. It measures in fractions of degrees. When we are ill, even tiny changes in temperature are important. Some thermometers use a liquid that moves up a very fine glass tube. Most room thermometers, and outdoor thermometers are like this. The liquid is either mercury [ which is poisonous] or coloured alcohol. As liquids get warmer they expand [get bigger], and move up the tube. Water expands too, but not as much as alcohol and mercury. Thermometers that might be used by small children are not made of glass. They use a digital display which lights up the temperature. Inside the displays are chemicals that change colour according to the temperature.


What is the change in temperature when the thermometer reading moves from -10 to 15?

It is a change of 25 units.