Quote:
Originally Posted by Charlatan
I don't think that is the right answer. It has more to do with the unique property of water. When it freezes it expands whereas most other things when they freeze contract. Ice is less dense than water so Ice can float on the surface...
This is particularyly useful in that if ice sank to the bottom, most of the life there would die... Many people point to this unique property as proof of intelligent design...
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I see your point about ice expanding and such, but the question was simply "Why does the top freeze first?"
The answer, cause it's closest to the cold. Let's not make this more complex than it needs to be.