Question

What happens to water when it freezes?

a) it expands.
b) it forms vapor
c) its density increases.
d) its composition changes

Answer 1

a) it expands.

Step-by-step explanation:

Water is more dense when it is a liquid, and less dense as a solid. This is why ice floats above water.

Hence, Ice expands when it freezes.

Answer 2

it expands

Step-by-step explanation: