Charles Sumner Elementary School – 2014 Bid for Our Kids!
Auction Ends: Oct 26, 2014 09:00 PM EDT

Art

Galileo Thermometer

Item Number
146
Estimated Value
20 USD
Sold
15 USD to mbf3ba74f
Number of Bids
1  -  Bid History

Item Description

Checking the temperature has never been as beautiful as with this colorful, tabletop Galileo thermometer.

Centuries ago, Galileo discovered that a liquid's density varies with temperature. This work of scientific art contains colored-glass temperature indicator spheres calibrated to within a fraction of a gram to measure indoor temperature. The balls float in a clear liquid, changing position with fluctuations in temperature. The lowest floating sphere indicates the current temperature. The thermometer measures approximately 11 inches tall.

Many thanks to Theresa Lee, the Charles Sumner Elementary School's esteemed science teacher, for donating this thermometer.