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Intro to I.S

Walsh-pnhs-intro to I.S vocab

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
Created by: Paigewalsh