Question

Water is unusual because ____________
A. Solid water (ice) is less dense than liquid water.
B. Solid water (ice) is denser than liquid water.
C. Solid water (ice) and liquid water have the same density.
D. Ice sinks to the bottom of water.

Answer 1

A. :)

Answer 2

thx

Answer 3

NP :)

Answer 4

I agree. Ice floats in water because it's less dense than liquid water. Usually, solids are more dense than their liquid counterparts, but this is one of the rare exceptions.