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Chap 16 Vocab
Vocabulary
| Term | Definition |
|---|---|
| Kinetic Energy | An explanation of how particles in matter behave |
| Melting Point | Temperature at which a solid begins to liquefy. |
| Heat of fusion | The amount of energy required to change a substance from the solid phase to the liquid phase at its melting point. |
| Boiling point | Temperature at which the pressure of the vapor in the liquid is equal to the external pressure acting on the surface of the liquid. |
| Heat of vaporization | Amount of energy required for the liquid at its boiling point to become a gas. |
| Diffusion | The spreading of particles throughout a given volume until they are uniformly distributed. |
| Plasma | Matter consisting of positively and negatively charged particles. |
| Thermal expansion | Increase in the size of a substance when the temperature is increased. |
| Buoyancy | The ability of a fluid. (liquid or gas) |
| Pressure | Force exerted per unit area. |
| Viscosity | The resistance to flow by a fluid. |
| Pacal | The SI Unit of pressure. |