Question

When ice floata on water its how much oart is outside?

Answer 1

This produces a crystal lattice, which is commonly known as ice. Ice floats because it is about 9% less dense than liquid water. In other words, ice takes up about 9% more space than water, so a liter of ice weighs less than liter water. The heavier water displaces the lighter ice, so ice floats to the top.