Heebie Jeebies Galileo's Thermometer 11"

Heebie Jeebies

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The 11-inch Galileo Thermometer employs the principles of buoyancy and density. The body of the thermometer is filled with paraffin oil and air, allowing the paraffin to expand and contract as needed. As the temperature of the paraffin falls, it becomes denser, and the colored baubles inside will rise.