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Physics, Astronomy & Cosmology / Which weighs more, a litre of ice or a litre of water?
« on: 03/07/2010 15:14:10 »
The litre of water weighs more, and this is why ice floats in water. When water freezes, it expands and becomes becomes less dense. While it is true that most things are more dense in their solid state, it is not true of water.