SkyTalk TRIVIA!
Wednesday, October 13th, 2010
Test your knowledge:
Question: What substance does not shrink when it freezes?
Answer: Water! A stepping stone to discovering life on other planets.
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Alcohol has a much lower freezing temperature than water, and it fdoes expand. There's also a metal called bismuth (not sure on spelling), that actually becomes denser when frozen.
***Sorry
Water expands not alacohol.
water does not shrink when cooled, it in fact expands.
Water does shrink when cooled — until it reaches
its maximum density at a temperature of 4 C. It
then expands as it approaches 0 C freezing point,
and expands even more as it changes states to ice.