EXPLANATION: So, when the ice melts, it is converted into liquid water. This liquid water is having more density than solid ice. So, overall ice melts its density Increases.

When ice melts its volume increases?

Since water contracts when heated from 0°C to 4°C and expands from 4°C to 100°C, its volume is least and the density is maximum at 4°C. Therefore, when the ice melts (heated from 0°C to 4°C) it contracts and decreases its density as a result of which volume decreases.

What happens to ice when it melts?

Ice melts when heat energy causes the molecules to move faster, breaking the hydrogen bonds between molecules to form liquid water.