Science Buddies
Science Buddies: What's the Point of Boiling?
You know that water can exist in three separate phases: solid (ice), liquid (water), and vapor (steam). To change from one phase to another, you simply add (or remove) heat. When water boils, what happens to molecules (for example sugar...
PBS
Pbs Learning Media: Water Phases
Water can exist in three different phases. This still collage produced for Teachers' Domain features examples of water in liquid, solid, and gas states.