Quest GiggleAt what temperature does mercury freeze?
39 degrees C below zero. Siberian cold snaps froze mercury thermometers solid, so alcohol thermometers took over.
How close would your guess have been?
In the game we ask it like this: “Mercury, the metal in old thermometers, freezes at about how many below zero C?”
Type a number — scored exactly the way a round in the game is.
The answer
39degrees C below zero
