What Is the Density of Ice Compared to Water? Explained

Learn why ice has a lower density than water and understand why ice floats with key density values explained.

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Ice is less dense than water. Specifically, ice has a density of about 0.92 grams per cubic centimeter compared to water's density of 1 gram per cubic centimeter. This difference in density is why ice floats on water.

FAQs & Answers

  1. Why is ice less dense than water? Ice is less dense than water because its molecular structure forms a crystalline lattice that occupies more space, making it less compact.
  2. What is the exact density of ice? The density of ice is approximately 0.92 grams per cubic centimeter.
  3. Why does ice float on water? Ice floats on water because it is less dense, allowing it to stay on top rather than sink.
  4. How does water's density compare to ice's density? Water has a density of about 1 gram per cubic centimeter, which is higher than ice's density of 0.92 grams per cubic centimeter.