Large Galileo Thermometer - 44cm

Contains 10 weighted balls that rise or fall according to temperature. 44cm high.
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A large version of our popular 28cm Galileo Thermometer. Invented by Italian physicist Galileo Galilei (1564-1642), this unique thermometer contains weighted bulbs that either rise or fall according to temperature.

This lovely quality Galileo Thermometer contains 10 weighted balls. As the temperature changes, the paraffin within the thermometer changes density, affecting which baubles float and which sink. By observing which bauble is floating in the middle of the column, or by averaging the ones bracketing the gap, the temperature can be read.

This large 44cm Galileo Thermometer is accurate between 16C and 34C, and makes a stylish statement. The perfect gift for teachers, executives, and science buffs.

Age: 10+ with adult supervision. This is not a toy, it is made from glass.

What You Get

Galileo Thermometer (44cm high) with 10 temperature bulbs. The temperature range is 16-34 degrees Celsius in 2 degree increments. Comes in an attractive box.


  • Forces: downward pull of gravity and the upward push of buoyancy.
  • Floating and sinking
  • Density and how it is effected by temperature changes


In areas of extreme humidity the temperature may not read accurately.

More Information
Length (cm) 11
Width (cm) 11
Height (cm) 49
Age Group 11-12 Years, 12+ Years
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