Paul’s science class fills an ice cube tray with water. the tray is placed in a freezer for a day. the water freezes forming ice. the tray is removed from the freezer and left on a counter for a day. what changes as the water freezes to ice and then melts back into liquid water? a) mass of the water molecules eliminate b) number of water molecules c) volume of water in the tray d) amount of energy in the water