A. Does the liquid water take up as much space as the ice? ______________________ B. Wait until all the water has boiled away. Which takes up more space, the liquid water or the water vapor? ___________________________________________________ C. Which phase of water is densest? ______________ Least dense? ______________ briefly and simple answer Extend your thinking: Look at all three phases of water through the magnifying glass. How does the spacing of molecules fit with what you found about densities of ice, liquid water, and water vapor? (Note: In most substances, the solid phase is densest. Water is unusual.)