Answer:
As the ice melts and turns into water, the level of the liquid water will lower and it will no longer be perfectly leveled with the rim of the glass. This happens because water has a unique property, its solid state occupies a larger volume than its liquid state, i.e. as waters turns into ice, it expands and occupies more space. Generally, as liquids become solid, they will shrink and occupy less space, but that doesn't happen with water.
Explanation:
