The Galileo thermometers are named after a great scientist Galileo Galilee. The thermometers are designed in such a manner that they can be used to measure the air temperature. The thermometers are glass tubes which contained multi colored balls inside them. These balls are used to determine the atmospheric temperature.
These multi colored balls are tagged with the numerical digits which help to identify the present atmospheric temperature of the time when the Galileo thermometers are given a look. The density of the multi colored balls changes with the density change when there is a rise or fall in the atmospheric temperature. The multi colored balls float in the liquid that is present inside the glass tube. The liquid contained inside the can be combination of water, alcohol and colors.
The scientific concept that is used in the Galileo thermometer is the phenomenon of buoyancy. The phenomenon of buoyancy says that if a solid weight placed in a liquid is heavier than the liquid then it will sink at the bottom of the liquid and if the weight of the solid is lesser than the liquid than it will float at the top of the liquid. So we find that the balls are floating at the top of the tube that means the density of balls in the Galileo thermometer has reduced. And the atmospheric temperature is guessed to be cool. But if the balls sink at the bottom that means the air temperature is hot outside the glass tube.
These multi colored balls are tagged with the numerical digits which help to identify the present atmospheric temperature of the time when the Galileo thermometers are given a look. The density of the multi colored balls changes with the density change when there is a rise or fall in the atmospheric temperature. The multi colored balls float in the liquid that is present inside the glass tube. The liquid contained inside the can be combination of water, alcohol and colors.
The scientific concept that is used in the Galileo thermometer is the phenomenon of buoyancy. The phenomenon of buoyancy says that if a solid weight placed in a liquid is heavier than the liquid then it will sink at the bottom of the liquid and if the weight of the solid is lesser than the liquid than it will float at the top of the liquid. So we find that the balls are floating at the top of the tube that means the density of balls in the Galileo thermometer has reduced. And the atmospheric temperature is guessed to be cool. But if the balls sink at the bottom that means the air temperature is hot outside the glass tube.
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