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[ARCHIVED THREAD] - Global Warming comment

Posted: 1/15/2008 6:06:23 PM EDT

Flipping channels when I past the history channel doing a global warming piece and a "scientist" said water expands when it is warm, so warm seas take up more volume.

Um. Ice floats. It floats, I have always been told, because water expands when cold. Rocks. Wood. Just about everything else contracts when cold and expands when warm. But not water.

Correct?

Posted: 1/15/2008 6:07:38 PM EDT

[#1]

Put a closed container of water in the freezer and see what happens.

Posted: 1/15/2008 6:08:34 PM EDT

[#2]

Under 32 degrees it expands and over 32 degrees it expands. Its most contracted state is just over 32~

Posted: 1/15/2008 6:09:00 PM EDT

[#3]

I'm pretty sure water expands when frozen and when warm. I think that a given mass of water will be at its smallest when it's infinitesimally higher than freezing temperature.

Posted: 1/15/2008 6:09:52 PM EDT

[#4]

Ah. Okay. Well I learned something from the Global warming show...before I changed the channel.

Posted: 1/15/2008 6:11:51 PM EDT

[#5]

The maximum density is about 39F. When it heats it becomes less dense and when it freezes it also becomes less dense.

Posted: 1/15/2008 6:13:15 PM EDT

[#6]

Quoted:
The maximum density is about 39F. When it heats it becomes less dense and when it freezes it also becomes less dense.

I was close

[ARCHIVED THREAD] - Global Warming comment

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[ARCHIVED THREAD] - Global Warming comment

[ARCHIVED THREAD] - Global Warming comment