How Does A Thermometer Work?
When you are sick, your mother takes your temperature with a glass thermometer containing silvery liquid called mercury. This type of thermometer, the mecury-in-glass type, is made in four parts: a sealed glass tube, a glass bulb at the bottom (the part you put in your mouth), a scale of measurements, and a liquid, such as mercu
A thermometer works by using a glass tube and mercury to measure changes in heat. A thermometer is made of a glass tube and either colored water or mercury. When the tempurature changes the density of the liquid changes and it moves either up or down the tube indicating the current amount of heat in the air.