Water or Ice?
Which weighs more: a gallon of liquid water or a gallon of ice?
(With "weight" meaning, weight on the same planet, at the same location -- so literally, "which has more mass?")
Check Braingle.com for the answer.
from Braingle's Teasers http://ift.tt/1fYO2jw
via 3d wooden brain teasers from craftypuzzles.com
Which weighs more: a gallon of liquid water or a gallon of ice?
(With "weight" meaning, weight on the same planet, at the same location -- so literally, "which has more mass?")
Check Braingle.com for the answer.
from Braingle's Teasers http://ift.tt/1fYO2jw
via 3d wooden brain teasers from craftypuzzles.com
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