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Intro to I.S
Walsh-pnhs-intro to I.S vocab
| Question | Answer |
|---|---|
| The state in matter in which materials have definite shape and definite volume. | Solid |
| Is the state of matter in which it has a definite volume, but no definite shape. | Liquid |
| The state of matter in which the material has no definite shape or volume. | Gas |
| The energy an object has due to its motion. | Kinetic energy |
| Is the reversible physical change that occurs when a substance changes from one state of matter to another. | Phase Change |
| The system absorbs energy from its surroundings. | Endothermic |
| Another term for meltiing | Heat of fusion |
| The system releases energy to its surroundings. | Exothermic |
| The phase change in which a substance changes from a liquid into a gas | Vaporization |
| Varies from substance to substance | Heat of vaporization |
| The process that changes a substance from a liquid to a gas at temperatures below the substances boiling point. | Evaporation |
| The pressure cause by collisions of this vapor and the walls of the container | Vapor pressure |
| The phase change in which a substance changes from gas or vapor to a liquid. | Condensation |
| The phase change in which a substance changes from solid to a gas or vapor without changing to a liquid first. | Sublimation |
| When a gas or vapor changes directly into a solid with our first changing into a liquid | Deposition |