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Chapter 16 KaceyJ
| Question | Answer |
|---|---|
| kinetic theory | energy a moving object has because of its motion; depends on the mass and speed of the object |
| melting point | temperature at which as solid begins to liquify |
| heat of fusion | amount of energy required to change a substance form the solid phase to the liquid phase |
| boiling point | vapor in the liquid is equal to the external pressure acting on the surface of the liquid |
| heat of vaporization | the amount of energy required for the liquid at its boiling point to become a gas |
| diffusion | spreading of particles throughout a given volume until they are uniformly distributed |
| plasma | matter consisting of positively and negatively charged particles. |
| thermal expansion | increase the size of a substance when the temperature is increased |
| buoyancy | ability of a fluid |
| pressure | amount of force exerted per unit area |
| viscosity | a fluid's resistance to flow |
| pascal | Si unit of pressure |