Properties of Water Near 4 Degrees Celsius

what is the effect of cooling for water at 4 degrees celsuis?
- haidy (age 18)
egypt

Water has a peculiar property that when it is cooled from temperatures above 4^o C it becomes more dense.  However between 4^o and 0^o 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)