| Term | Definition |
|---|---|
| Solid | Matter that has a definite shape and a definite volume. |
| Liquid | Matter with a definite volume but no definite shape. |
| Viscosity | A measurement of a liquids resistance to flow. |
| Surface tension | The uneven forces acting on the particles on the surface of a liquid |
| Gas | Matter that has no definite volume and no definite shape. |
| Vapor | The gas state of a substance that is normally a solid or a liquid at room temperature.. |
| Kinetic energy | The energy an object has due to its motion. |
| Temperature | A measure of the average kinetic energy of all the particles in an object |
| Thermal energy | The total potential and kinetic energies of an object. |
| Vaporization | The change in state of a liquid into a gas. |
| Evaportaion | Vaporization that occurs only at the surface of a liquid. |
| Condensation | The change of state from a gas to a liquid. |
| Sublimation | The change of state from a solid to a gas without going through the liquid state. |
| Deposition | The change of state of a gas to a solid without going through the liquid state. |
