What significant change did Christin propose to the Celsius thermometer scale?
Adding more degrees
Reversing the scale
Using Fahrenheit
Changing the boiling point
Answer
In 1743, Jean-Pierre Christin proposed to reverse the Celsius thermometer scale, making zero represent the freezing point of water and 100 represent the boiling point of water. This change was widely accepted and is still in use today.
Unraveling the Genius of Jean-Pierre Christin: The 18th-century French Scientist Who Redefined Our World