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'''Ice''' is frozen [[water]].
:''For [[ICE]], see [[Immigration and Customs Enforcement]]''
[[Image:Ice cube clump melting.jpg|right|250px]]
'''Ice''' is frozen [[water]]. At one atmosphere of [[pressure]], water turns into ice at 32 degrees [[Fahrenheit]] (0 degrees [[Centigrade]], or 273.15 [[kelvin]]s).
Due to the nature of its crystalline structure, ice is around 10% lighter than liquid water, which is why ice cubes float in your drink and [[iceberg]]s float in sea water.
70% of the world's fresh water is ice, almost all of it located at the polar ice caps in [[Antarctica]] and the [[Arctic]].
==See also==
*[[Ice Bucket Challenge]]
==External links==
* [http://www.globalchange.umich.edu/globalchange2/current/lectures/freshwater_supply/freshwater.html The Water Resources of Earth]
[[Category:Chemistry]]