Sagot :
Melting an ice cube.
Boiling water.
Mixing sand and water.
Breaking a glass.
Dissolving sugar and water.
Shredding paper.
Chopping wood.
An ice cube melting into water in your drink.
Freezing water to make ice cubes.
Boiling water evaporating.
Hot shower water turning to steam.
Steam from the shower condensing on a mirror.