Questions and Answers
Who is credited with constructing the first sealed thermometer?
Grand Duke of Tuscany, Ferdinand II
Which scientist developed a mercury thermometer and scale in the early 18th century?
Gabriel Fahrenheit
What was the name of the devices constructed by Florentine scientists in the 1600s to measure relative change in temperature?
Thermoscopes
In what year did physician Claudius Galenus mix equal portions of ice and boiling water to create a 'neutral' temperature standard?
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Which temperature scale, developed in the early 18th century, is still in use today alongside the Celsius and Kelvin scales?
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Study Notes
Early Developments in Thermometry
- The first sealed thermometer was constructed by an unknown craftsman.
Galileo's Thermoscope
- In the 1600s, Florentine scientists, including Galileo, constructed devices to measure relative change in temperature, known as thermoscopes.
Development of Mercury Thermometers
- In the early 18th century, a scientist developed a mercury thermometer with a scale.
Early Temperature Scales
- Physician Claudius Galenus created a 'neutral' temperature standard in an unknown year by mixing equal portions of ice and boiling water.
- The Fahrenheit scale, developed in the early 18th century, is still in use today alongside the Celsius and Kelvin scales.
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