To be sure the soup is staying at a safe temperature. If it is too hot, it could cause burns, and if it is not hot enough, it could spoil.
because gold or iron are metal if they are not a metal so they can not check the purity but they are metals..
Mercury
your body is warmer than a metal or wooden when the spoons aren't heated up but when they are the spoons are warmer
Mercury
a metal stand.
A thermometer..
Celsius, Fahrenheit, and Kelvin.
In a thermometer is a liquid metal called Mercury, so the liquid expands when it is heated up.
Mercury its chemical symbol is Hg.
The metal that was used in thermometers was mercury, however now alcohol is usually used.
Mercury is a metal , with all the properties of a metal except it is a liquid at room temperature.for ex when we use a thermometer we found mercury in liquid form. it is a metal
The sensor is just the mercury, a liquid metal.