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When it heats, it expands and then it risesup the narrow glass tube.

when it cools, it contracts and falls down.

gallileo made one that used a bubble in water and traveled up and down a swell

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14y ago

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Why does the mercury not fall or rise in a clinical thermometer when taken out of the mouth?

Mercury does not fall or rise in a clinical thermometer when taken out from the mouth because of the KINK present in it.


What happens to the mercury in a thermometer Why?

The mercury in a thermometer expands and contracts as temperature changes. This expansion and contraction causes the level of mercury in the thermometer to rise or fall, providing a visual indication of the temperature.


What makes mercury go up and down a thermometer?

the heat and temperature that causes it to rise and fall.


The function of a Mercury thermometer?

A Mercury thermometer measures temperature by relying on the expansion and contraction of the liquid mercury inside the glass tube. As the temperature changes, the mercury expands or contracts, causing it to rise or fall in the tube, indicating the temperature.


What is the construction of mercury thermometer?

A typical mercury thermometer consists of a glass tube with a bulb at one end filled with mercury. As the temperature changes, the mercury expands or contracts, causing it to rise or fall in the tube. The temperature is then read based on the level of the mercury within the graduated scale on the tube.


How the liquid in a thermometer changes so that it can be sued to measure temperatures?

The thermometer is a sealed glass tube containing mercury in a vacuum. The mercury column will rise or fall due to expansion, and the level is read off a temperature scale.


What causes mercury in a thermometer to rise?

The mercury in a thermometer rises because of thermal expansion. When the temperature surrounding the thermometer increases, the molecules of the mercury expand, causing it to move up the narrow tube of the thermometer.


Why the mercury level can rise or fall in a thermometer?

The mercury level rises in a thermometer when the temperature increases because heat causes the mercury to expand, pushing it up the tube. Conversely, the mercury level falls when the temperature decreases because the cooler temperature causes the mercury to contract, moving it down the tube.


Why does Mercury in the the thermometer rise?

Mercury rises in a thermometer when the temperature increases because mercury expands as it heats up. This expansion of the mercury column inside the thermometer is used to measure the temperature of the surrounding environment.


How do you calculate the mercury rise in a thermometer?

To calculate the mercury rise in a thermometer, you need to subtract the initial temperature reading from the final temperature reading. The difference between these two readings represents the mercury rise in the thermometer. Make sure to use the units of measurement (usually degrees Celsius or Fahrenheit) in your calculation.


What makes mercury in a thermometer go up and down?

Change in temperature is what cause the Mercury to expand up (hotter) or shrink down (colder).


What happen to the level of the mercury when you shook the thermometer?

level of mercury fall down