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16Vocab
Chapter 16 Vocabulary Words
Question | Answer |
---|---|
SI unit of pressure. | Pascal |
Resistance to flow by a fluid. | Viscosity |
Force exerted per unit area. P= F/A | Pressure |
Ability of a liquid or gas to exert an upward force on an object immersed in it. | Buoyancy |
An increase in the size of a substance when the temperature is increased. | Thermal Expansion |
Matter consisting of postively and negatively charged particles. | Plasma |
The spreading of particles throughout a given volume until they are uniformly distributed. | Diffusion |
The amount of energy required for the liquid to reach its boiling point. | Heat of Vaporization |
Temperature at which the pressure of a vapor in a liquid is equal to the external pressure acting on the surface of the liquid. | Boiling Point |
Amount of energy needed to change a substance from a solid phase to a liquid phase at its melting point. | Heat of Fusion |
The temperature at which a solid begins to liquify. | Melting Point |
Explanation of the behavior of molecules in matter; states that all matter is made up of constantly moving particles that collide without losing energy. | Kinetic Theory |