The crossword solution for the term 'CHANGES FROM ICE TO WATER' is 'MELTS', which is a 5-letter word. Melting is a physical process in which a solid substance transitions from a solid state to a liquid state. This process is caused by an increase in temperature, which causes the molecules of the solid to move faster and break apart, forming a liquid. In the case of ice melting into water, the molecules of the ice break apart and form liquid water.