Water, ice, steam: Three states of matter. In this animated movie, you'll learn about the tiny atoms and molecules that make up matter and how changes in temperature and pressure cause these particles to gain or lose energy, thereby changing a material’s physical properties!
Matter is the “stuff” of the universe. There are five known phases, or states, of matter: solids, liquids, gases, plasma and Bose-Einstein condensates.
Introduction to the states or phases of matter.