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Phys. Sci. Chap. 3
Vocabulary
| Question | Answer |
|---|---|
| Fluid | A nonsolid state of matter in which the atoms or molecules are free to move past each other, as in a gas or liquid. |
| Plasma | A state of matter that consists of free-moving ions and electrons. |
| Energy | The capacity to do work. |
| Thermal Energy | The total kinetic energy of a substance's atoms. |
| Evaporation | The change of state from a liquid to a gas. |
| Sublimation | The process in which a solid changes directly into a gas. |
| Condensation | The change of state from a gas to a liquid. |
| Process | The amount of force exerted per unit area of a surface. |
| Pascal | The SI unit of pressure; equal to the force of 1 N exerted over an area of 1 m2 (symbol Pa). |
| Buoyant Force | The upward force that keeps an object immersed in or floating on a fluid. |
| Viscosity | The resistance of a gas or liquid to flow. |
| Gas Laws | The laws that state the mathematical relationships between the volume, temperature, pressure, and quantity of a gas. |