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Ch.16 Vocab. I.D
Vocabulary
| Question | Answer |
|---|---|
| Energy a moving object has because of its motion; depends on the mass and speed of the object. | Kinetic Energy |
| Temperature at which a solid begins to liquefy. | Melting Point |
| Amount of energy required to change substance form the solid phase to the liquid phase. | Heat of Fusion |
| The temperature at which the pressure of the vapor in the liquid is equal to the external pressure acting on the surface of the liquid. | Boiling Point |
| The amount of energy required for the liquid at its boiling point to become a gas. | Heat of Vaporization |
| Spreading of particles throughout a given volume until they are uniformly distributed. | Diffusion |
| Matter consisting of positively and negatively charged particles. | Plasma |
| Sum of the kinetic and potential energy of the particles in an object; is transferred by conduction, convection, and radiation. | Thermal Energy |
| Ability of a fluid--a liquid or a gas--to exert an upward force on an object immersed in the fluid. | Buoyancy |
| Amount of force exerted per unit area; SI unit is the pascal (Pa). | Pressure |
| A fluid's resistance to flow. | Viscosity |
| SI unit of pressure. | Pascal |