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Science brain teasers require understanding of the physical or biological world and the laws that govern it.


Puzzle ID:#12700
Fun:*** (2.44)
Difficulty:* (0.85)
Submitted By:od-1Aca****
Corrected By:Winner4600




Mrs. Duffus would often complain when Duffus left the door to the basement open. "The cool air from the basement makes the upstairs cold; close that door, Duffus!" she would rant. "It won't do any such thing," Duffus would reply and go on his way. Duffus was right, but why?


Hot air rises and cold air descends, so cool air from the basement wouldn't rise and make upstairs rooms colder.

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