chapter 3 def4 Word Scramble
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Question | Answer |
Solid | the state of matter in which materials have a definite shape and a definite volume. |
Liquid | the state of matter in which a material has a definite volume but not a definite shape. |
Gas | the state of matter in which a material has neither a definite shape nor a definite volume. |
Kinetic Energy | is the energy an object has due to its motion. |
Phase Change | the reversible physical change that occurs when a substance changes from one state of matter to another. |
Endothermic | when the system absorbs energy fron its surroundings. |
Heat of Fusion | the energy a substance must absorb in order to change from a solid to a liquid |
Exothermic | when the system releases energy to its surroundings. |
Vaporization | the phase change in which a subsatnce changes from a liquid to a gas. |
Heat of Vaporization | The energy a substance must absorb in order to change from a solid to a liquid. |
Evaporation | the process that changes a substance from a liquid to a gas at temperatures below the substances boiling point. |
Vapor Pressure | the pressure caused by the collisions of this vapor and the walls of the container. |
Condensation | the phase change in which a substance changes from a gas or vapor to a liquid. |
Sublimation | the phase change in which a substance changes from a solid to a gas or vapor with out changing to a liquid first. |
Deposition | when a gas or vapor changes directly inot a solid without first changing to a liquid. |
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kaylees
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