Detailed Galileo Thermometer Description:
It's a must-have for the desk of any science enthusiast. The Galileo thermometer is based on a thermoscope invented by Galileo Galilei in the early 1600s. The thermometer consists of a sealed glass tube that is filled with water and a number of floating spheres. The glass spheres are filled with a colored liquid and float up and down according to the changes in temperature. When the temperature rises, the spheres will sink and inversely; when the temperature falls, the spheres will rise due to the changes in the specific gravity of liquids.
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