The first thermometer was a tube filled with water and air.
We still use colored alcohol for our liquid in everyday thermometers.
This depends on the thermometer model.
A Galileo thermometer is a thermometer made of a sealed glass cylinder containing a clear liquid and a series of objects whose densities are such that they rise or fall as the temperature changes.
The thermometer's reading of the point the liquid boils may not be accurate.
Mercury
The liquid commonly used in a thermometer is mercury or COLOURED ALCOHOL.
Water - Galileo Galilei invented a rudimentary water thermometer in 1593 which, for the first time, allowed temperature variations to be measured
We still use colored alcohol for our liquid in everyday thermometers.
it is used in liquid form as in room temperature the mercury is in liquid
A thermometer is used to measure air temperature, or the temperature within a solid or liquid.
Mercury
iodine and Mercury
A laboratory thermometer is used to check the temperature, or changes in temperature, of an object with precise accuracy.
The liquid is an antiseptic used to sterilise it. You wouldn't want to be contaminated with any bacteria or viruses from the last person who used the thermometer, would you?
fever thermometer is used by the doctors and they are adjusted to body temperature whereas lab thermometer is adjusted to liquid temperature
Mercury the liquid inside thermometer is mercury.. but it is called thermometric liquid.
fairy