Water Is an Unusual Substance in That the Density of the Solid

Multiple Choice

Water is an unusual substance in that the density of the solid state (ice) is normally lower than the density of the liquid state. Suppose a friend brings you a glass of ice water. If you leave the glass untouched, what will happen over time?

A) The ice will melt and the resulting water level will be lower than before.
B) The ice will melt and the resulting water level will be unchanged.
C) The ice will melt and the resulting water level will be higher than before.
D) The ice will only melt if the mixture is stirred.
E) None of these.