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States of Matter

Smith-pnhs-states of matter I.S vocab

QuestionAnswer
What is solid? Solid is the state of matter in which materials have a definite shape and a definite volume.
What is liquid? Liquid is the state of matter in which a material has a definite volume but not a definite shape.
What is gas? Gas is the state of matter in which a material has neither a definite shape nor a definite volume.
What is kinetic energy? Kinetic energy is the energy an object has because of its motion.
What is a phase change? A phase change is the reversible physical change that occurs when a substance changes from one state of matter to another.
What is endothermic? Endothermic is a description of a change in which a system absorbs energy from its surroundings.
What is heat fusion? Heat fusion is the energy a substance must absorb in order to change from a solid to a liquid.
What is exothermic? Exothermic is a description of a change in which a system releases energy to its surroundings.
What is vaporization? Vaporization is the phase change in which a substance changes from a liquid to a gas.
What is heat of vaporization? Heat of vaporization is the energy a substance must absorb in order to change from a liquid to a gas.
What is evaporation? Evaporation is the process that changes a substance from a liquid to a gas at temperatures below the substance's boiling point.
What is vapor pressure? Vapor pressure is the pressure caused by the collisions of particles in a vapor with the walls of a container.
What is condensation? Condensation is the phase change in which a substance changes from a gas or vapor to a liquid.
What is sublimation? Sublimation is the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first.
What is deposition? Deposition is the phase change in which a gas or vapor changes directly into a solid without first changing into a liquid
Created by: autumns1112
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