| Term | Definition |
|---|---|
| Solid | matter that has a definite shape and a definite volume |
| Liquid | matter with a definite volume but no definite shape |
| Viscosity | Measurement of a liquid's resistance to flow |
| Surface Tension | uneven forces acting on the particles on the surface of a liquid |
| Gas | Matter that has no definite volume and no definite shape |
| Vapor | Gas state of a substance that is normally a solid or a liquid at room temperature |
| Kinetic Energy | Energy an object has to due to it's motion |
| Temperature | Measure of the average kinetic energy of all particles in an object |
| Thermal Energy | Total potential and kinetic energies of an object |
| Vaporization | Change of state of liquid into a gas |
| Evaporation | Vaporization that occurs only on the surface of a liquid |
| Condensation | Change of state from a gas to a liquid |
| Sublimation | Change of state from a solid to a gas without going through the liquid state |
| Deposition | Change of state of a gas to a solid without going through the liquid state |
