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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.


  • Andres says:

    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.

  • manjinder singh says:

    water does not shrink when cooled, it in fact expands.

    • Leon Kowalski says:

      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.

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