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| a temperatur of 0 kelvins |
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| the phase change in which a substance changes from a gas or vapor to a liquid |
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| the phase change in which a gas or a vapor changes directly into a solid without first changing to a liquid |
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| a description of a change in which a system absorbs energy from its surroundings |
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| the process that changes a substance from a liquid to a gas at temperatures below the substance's boiling point |
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| a chemical reaction that realeases energy to its surroundings (goes out) |
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| the state of matter in which a material has neither a definite shape nor a definite volume |
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| the energy of a substance must absorb in order to change from a liquid to a solid |
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| the amount of energy a substance must absorb in order to change from a liquid to a gas |
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| the energy an object has due to its motion |
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| the state of matter in which a material has a definite volume but not a definite shape |
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| a reversible physical change that occurs when a substance changes from one state of matter to another |
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| the result of a force distributed over an area |
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| the state of matter in which materials have a definite shape and a definite volume |
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| the phase change in which a substance changes from a solid to a gas or vapor without changing to a liquid first |
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| the pressure caused by the collisions of particles in a vapor with the walls of a container |
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| The phase change in which a sunstance changes from a liquid into a gas |
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