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When a thermometer is affected by heat or cold is it physics at work or chemestry at work?

Thanks for your help scientists and teachers.

Jimmy

2006-11-12 18:21:18 · 6 answers · asked by Jimmy The Hand 5 in Science & Mathematics Other - Science

6 answers

Mercury based thermometers would be physics as chemistry
implies one component being a catalyst for another object/component implementing change to original structure and composition. The mercury lowers and rises due to an outside energy/force but the chemical, mercury, does not change its properties.

2006-11-12 19:15:00 · answer #1 · answered by S E 2 · 0 0

hi,

the working of thermometer is based on both the work of physics and chemistry
the thermometer bulb is filled with mercury and it being a chemical has it own chemical properties
basically the functioning take s place on the work of physics as in when the thermoemter comes in contact with the body heat ..the mercury in the column rises depicting the amount of heat the body is with holding..

so it is the work of both the sciences

2006-11-12 19:02:23 · answer #2 · answered by Anonymous · 0 0

It is the chemical property of the thermometers liquid (gen. mercury) that effects the physical property (rise in the tube).

This event could be attributed to either chemistry or physics.

2006-11-12 18:27:49 · answer #3 · answered by Duck Jr. 4 · 0 0

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2016-10-17 05:21:44 · answer #4 · answered by rochart 4 · 0 0

Pretty much always physics at work.

The one exception you could argue is the crystal style that change colour with temperature, where a reversible chemical change is at work.

2006-11-12 19:28:03 · answer #5 · answered by Anonymous · 0 0

Depends on the thermometer
http://en.wikipedia.org/wiki/Thermometer

Mercury -- coefficient of thermal expansion, generally considered to be a physical property
http://en.wikipedia.org/wiki/Mercury-in-glass_thermometer

Thermistor -- positive or negative temperature coefficient of resistance
http://en.wikipedia.org/wiki/Thermistor

Infrared -- blackbody radiation described by Planck's radiation equations
http://en.wikipedia.org/wiki/Blackbody

Thermocouple -- thermoelectric effect: http://en.wikipedia.org/wiki/Thermocouple

2006-11-12 19:01:41 · answer #6 · answered by arbiter007 6 · 0 0

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