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The liquid inside the thermometer "contracts" when it is placed into something cold. This means that it decreases in volume and increases in density. This is the reason that the thermometer can measure heat: the volume of the liquid inside the thermometer changes as a function of heat, and the amount of liquid in the "tube" of the thermometer changes as a function of volume. Because of this relationship, the level of the liquid in the tube of the thermometer changes as a function of heat.

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Related Questions

How does temperature affect s thermometer?

Temperature affects a thermometer by causing the liquid or material inside to expand or contract, leading to a change in volume. This change in volume is measured by the scale on the thermometer, so as temperature increases or decreases, the level of the liquid or material inside the thermometer will rise or fall accordingly.


What is the liquid in thermometer's called?

Mercury the liquid inside thermometer is mercury.. but it is called thermometric liquid.


What is the liquid inside a Galileo thermometer?

The liquid inside a Galileo thermometer is usually a clear, alcohol-based solution.


What change takes place in the liquid inside a thermometer when the thermometer is placed into something cold?

When a thermometer is placed into something cold, the liquid inside contracts and decreases in volume. This causes the liquid level to decrease, indicating a lower temperature on the scale of the thermometer.


What is the liquid in the ball of the thermometer?

the liguid inside the thermometer is Mercury.


What is the silver liquid inside of a thermometer called?

Mercury


How does an air thermometer work?

An air thermometer has a bubble of liquid inside the tube and when the air inside of the tube heats up or cools down, the air takes up either more or less space inside of the tube, causing the bubble of liquid to either move upwards or downwards, indicating the temperature.


Why does the height of the liquid of a thermometer increaseswhen the temperature goes up?

Thermal expansion of the fluid inside the thermometer.


Is liquid expanding in a thermometer a chemical change?

No. It's a physical change since it's still the same liquid.


Why does the thermometer go down when the temp gets cold?

A thermometer measures temperature based on the expansion or contraction of the liquid or metal inside it. When it gets cold, the molecules inside the thermometer contract, causing the liquid or metal to shrink, which in turn results in the reading on the thermometer going down.


How do thermometers measure change in temperatures?

Thermometers measure temperature change by detecting the expansion or contraction of a liquid (like mercury) or a gas (like alcohol) inside the thermometer. These materials expand or contract based on the surrounding temperature, causing the level of the liquid to rise or fall. The thermometer then displays the corresponding temperature based on a scale.


What happens to a thermometer on a hot day?

On a hot day, the liquid inside the thermometer expands and rises, causing the temperature reading to increase. This occurs because heat causes molecules to move faster and spread out, resulting in the expansion of the liquid inside the thermometer.