- Boiling: Vaporization that occurs on and below the surface of a liquid.
- Boiling Point: The temp. at which a substances changes from liquid to gas.
- Chemical Change: A change in a matter that produces new substances.
- Density: The measurement of how much mass of a substance's is contained in a given volume.
- Evaporation: The process that occurs when vaporation takes place only on the surface of a liquid.
- Freezing: The change in a state from a liquid to solid.
- Mass: A measure of how much matter is in an object.
- Melting: The change from the solid to the liquid state of matter.
- Physical Change: A change that alters the form appearence of a substances but does not the material into another substances.
- Plasma: A state of matter in which atoms are stripped of their elections and the nulie are packed together.
- Thermal Energy: Total energy of a substance's particales due to their movement or vibration.
- Vaporization: The change from the liquid to gaseous state of matter.