Galileo Thermometer

Galileo ThermometerFeatures: The balls will slowly sink one by one when temperature increases, in the same way, the balls will rise as the temperature decreases. By this method you can determine the correct temperature. This thermometers measures 17. 5". Details: Produced from the idea of Galileo Galilei (1564 1642) who is an Italian astronomer and physicist and has been called the founder of modern experimental science. Galileo put 4 5 exactly weighted balls in a

on a plane or anytime

1 rubber ball

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stand-up box

For Ages 6 and up