A Galileo thermometer is a temperature measuring gadget that consists of a sealed glass cylinder containing a liquid and several other glass spheres with totally different densities. Every sphere has a small steel tag hooked up to it, and the tags are marked with totally different temperatures. Because the temperature of the liquid modifications, the spheres will rise or fall within the liquid, with the densest spheres sinking to the underside and the least dense spheres floating on the prime. By studying the temperature on the tag of the sphere that’s floating on the prime, you’ll be able to decide the temperature of the liquid and the encompassing air.
Galileo thermometers are recognized for his or her accuracy and reliability, and they’re typically utilized in scientific and industrial purposes. They’re additionally common as ornamental objects, and they are often discovered in lots of houses and places of work.