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Fun Science
Glass float thermometer
The physicist Galileo Galilei discovered that the specific gravity of the liquid changes with temperature. This thermometer is made using that principle.
A glass sphere that rises and falls according to the temperature indicates the temperature. The actual temperature is read by the plate attached to the bottom glass sphere of the glass sphere floating in the upper layer.
Interior thermometer with a modern impression of a glossy wooden frame.
* Do not use near fire or heater.
* If this product breaks and the liquid inside touches your skin, immediately wash it away with running water. If it gets on your clothes, take off your clothes and rinse with running water.

Product size: Height 230 x Width 85 x Depth 50mm
320g
Material: Natural wood, borosilicate glass, paraffin oil
In a tea cardboard box
* Measurable range: 18 ℃-26 ℃
* 5 glass spheres