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Q & A: Properties of water near 4 degrees Celsius

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Most recent answer: 11/08/2011
Q:
what is the effect of cooling for water at 4 degrees celsuis?
- haidy (age 18)
egypt
A:
Water has a peculiar property that when it is cooled from temperatures above 4o C it becomes more dense.  However between 4o and 0o it becomes slightly less dense and when it freezes into ice the density becomes considerably less.   That is the reason why ice floats in water. 

LeeH

(published on 11/08/2011)

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