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intro.to.i.s
curran-pnhs-intro. to I.S. vocab
| Question | Answer |
|---|---|
| The state of matter in which materials have a definite shape and a definite volume | Solid |
| The state of matter in which a material had a definite volume but not a definite shape. | Liquid |
| The state of matter in which a material has neither a definite shape not a definite volume. | Gas |
| The energy an object had due to its motion. | Kinetic Energy |
| A temperature of 0 K | Absolute Zero |
| 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 |
| The system releases energy to its surroundings. | Exothermic |
| The phase change in which a substance changes from a liquid into a gas. | Vaporization |
| The process that changes a substance from a liquid to a gas at temperatures below the substance's boiling point. | Evaporation |
| The pressure caused by the collisions of this vapor and the walls of the container. | Vapor Pressure |
| The phase change in which a substance changes from a gas or vapor to a liquid. | Condensation |
| The phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first. | Sublimation |
| When a gas or vapor changes directly into a solid without first changing to a liquid. | Deposition |