What Is the Red Liquid in a Thermometer?

Answer

The red liquid in a thermometer is a coloured alcohol. The coloured alcohol can be replaced with a metallic liquid called mercury. The red liquid and the metallic liquid work in a similar manner. A thermometer measures the temperature outside and inside the house and it also measures the body temperature.
Q&A Related to "What Is the Red Liquid in a Thermometer"
According to Louis A. Bloomfield, the Galileo thermometer functions according to Archimedes' principle of buoyancy, which states that any object in a fluid is buoyed up by a force
http://www.ehow.com/about_7231041_liquid-galileo-t...
Thermometers may have mercury, but most now have a chemical
http://www.chacha.com/question/what-is-the-red-liq...
Most thermometers are alcohol now. Normal thermometers do not use mercury. Old thermometers do. Be careful about the glass though…. It’s red alcohol. Safe.
http://answers.yahoo.com/question/index?qid=201011...
Mercury or Rubbing Alcohol
http://wiki.answers.com/Q/Are+liquid+in+glass+ther...
1 Additional Answer
The red liquid in a thermometer is normally alcohol which has red dye mixed in. Thermometers used to have mercury in them, but were found to be very dangerous.
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