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# How a liquid thermometer works using thermal expansions?

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###### 2016-08-11 20:19:29

The liquid contained within he thermometer's tube expands with heat, or contracts with cold. This is shown by the length of liquid in the tubing.

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###### 2016-08-10 13:32:43

If the liquid gets hotter, it expands; the position in the thin glass tube changes. Note that the liquid will expand at a faster rate than the surrounding glass.

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## Related Questions

what is teh desirable properties of using liquid crystal thermometer?

thermal expansion can be used in bimetalic strips in tehrmostats it can also be used in lossening nuts and bolts A thermometer works by using the thermal expansion of a liquid to measure temperature. A hot-air balloon uses the thermal expansion of air to generate lift.

A thermometer measures temperature by using the liquid inside of the thermometer. It measures temperature by Celsius and Fahrenheit.

A way you can measure temperature is using a liquid thermometer.

A thermometer measures the amount of thermal energy a material has. This thermal energy is related to the vibrational and rotational energy the particles in the material have. By using the thermometer to measure the temperature of a material you are, in effect, measuring the amount of energy the particles of that material have.

For a basic design of thermometers would base on the principle of thermal expansion, either using air in syringe expand and contract with temperature to indicate the scale or using liquid filled into capillary and mark the scale according to a standard thermometer.

A measure of heat energy can be done easily using a thermometer. This will measure the amount of thermal energy transferred.

1. Using a larger volume of thermometric liquid. 2. Using a narrower capillary bore. 3. Using a thermometric liquid which expands more for the same change in temperature.

-- Bring thermometer into room. -- Wave it around in the air of the room for a minute or two. -- Do not hold the thermometer in your hand or breathe on it. -- Wait a while for the room temperature to get through the thermometer glass. -- Look through the glass at the sliver of liquid inside the thermometer. Find the end of the liquid, and see what number is marked on the glass at the same level. That number is your room temperature.

He did not actually invent the thermometer, which would have shown a scale of temperatures. He invented the "thermoscope" -- a device that showed increase or decrease of temperature using the expansion of a liquid in a tube.

It generally made using fluid which expand or contract linearly with temperature such as mercury, water or alcohol. Electronic thermometer use the relation of thermal property effect electrical conduction difference to measure temperature.

You have to do like the water cycle evaporation, where a liquid changes to a gas, condensation, where a gas changes to a liquid or little droplets and precipitation where it rains.

The thermometer when inserted into the mouth to measure temperature will contain germs of the patient. Hence before using it again, it is sanitized by dipping in water to kill the germs.

what are the safety precautions to follow when using a thermometer how to proper maintain the micrometer

using a thermometer u can measure accurately at 1 decimal place

When I got sick, I had to take my temperature using a thermometer.

the mercury should be at normal body temperature level before using it the thermometer should be cleaned after use with normal water the bulb of the thermometer should not be touched

It is a thermometer using the platinum wire as sensor (resistance thermometer); the resistance of the wire is proportional to the temperature. This type of thermometer is used under 600 0C.

Alcohol is cheaper than mercury, and if you break the thermometer, it is not toxic.

Expansion of a liquid ( usually mercury ) when heated. A clinical thermometer is the same as a normal liquid in glass thermometers but have a range a few degrees to the either side of the human body temperature. This gives them great sensitivity for accurately measuring the human body temperature.

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