The liquid metal in many thermometer is mercury (Hg).
The liquid commonly used in a thermometer is mercury or COLOURED ALCOHOL.
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
The first thermometer was a tube filled with water and air.
mercury
it is mercury. its actually a liquid at room temperature.
A thermometer is used to measure air temperature, or the temperature within a solid or liquid.
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