Why Does Ice Have a Greater Volume Than Water?

Discover why ice expands and occupies more volume than liquid water due to its unique crystalline structure.

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Ice has a greater volume than water because it is less dense. When water freezes, it forms a crystalline structure that takes up more space. This expansion is why ice floats on water. For identical masses, the volume of ice exceeds that of liquid water.

FAQs & Answers

  1. Why does ice float on water? Ice floats because it is less dense than liquid water, due to its open crystalline structure which increases its volume.
  2. How does the crystalline structure of ice cause it to expand? When water freezes, the molecules form a hexagonal lattice that spreads them further apart, causing ice to occupy more space than liquid water.
  3. Is ice volume always greater than water volume? For the same mass, ice occupies more volume than liquid water because of its lower density, so yes, frozen water expands.

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