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Bagley, Mary. “Properties of Matter: Gases.” LiveScience, Purch, 7 Jan. 2016
Physical Science: Concepts in Action by Wysession, Frank and Yancopoulos

Studios, Andrew Rader. “States of Matter.” Chemistry Basics

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Deposition is when a gas or a vapor changes directly into a solid without first changing to a liquid.

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Deposition is when a gas or a vapor changes directly into a solid without first changing to a liquid.

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Sublimation is when a substance changes from a solid to a gas or vapor without changing to a liquid 

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Sublimation is when a substance changes from a solid to a gas or vapor without changing to a liquid 

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Vaporization is when a substance changes from a liquid to a gas (endothermic)

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Vaporization is when a substance changes from a liquid to a gas (endothermic)

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Heat of fusion is the energy a substance must absorb in order to change from a solid to a liquid.

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Heat of fusion is the energy a substance must absorb in order to change from a solid to a liquid.

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A phase change is the reversible physical change that occurs when a substance changes from one state of matter to another.

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A phase change is the reversible physical change that occurs when a substance changes from one state of matter to another.

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Exothermic change is when the system releases energy to its surroundings.

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Exothermic change is when the system releases energy to its surroundings.

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Endothermic change is when the system absorbs energy from its surroundings.

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Endothermic change is when the system absorbs energy from its surroundings.

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The combined gas law describes the relationship among the temperature, volume and pressure of gas when the number of particles is constant.

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The combined gas law describes the relationship among the temperature, volume and pressure of gas when the number of particles is constant.

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Charlee's law states that the volume of a gas is directly proportional to its temperature in Kelvins if the pressure and the number of particles of the gas are constant.

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Charlee's law states that the volume of a gas is directly proportional to its temperature in Kelvins if the pressure and the number of particles of the gas are constant.

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Boyle's law states that the volume of gas is inversely proportional to its pressure if the temperature and the number of particles stay constant.

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Boyle's law states that the volume of gas is inversely proportional to its pressure if the temperature and the number of particles stay constant.

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There are four different states of matter: Solid, Gas, Liquid and Plasma

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There are four different states of matter: Solid, Gas, Liquid and Plasma

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Plasma is the highly energized gas that has lost its electrons.

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Plasma is the highly energized gas that has lost its electrons.

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A gas is the state of matter in which a material has neither a definite shape nor a definite volume.

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A gas is the state of matter in which a material has neither a definite shape nor a definite volume.

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A solid is the state of matter in which materials have a definite volume.

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A solid is the state of matter in which materials have a definite volume.

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Developed to explain the behavior of liquids and solids in the mid-1800s.

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Developed to explain the behavior of liquids and solids in the mid-1800s.

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During a collision between particles, there is an exchange of energy between them.

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During a collision between particles, there is an exchange of energy between them.

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All particles that are in motion have kinetic energy.

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All particles that are in motion have kinetic energy.

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All matter is made up of tiny particles called atoms.

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All matter is made up of tiny particles called atoms.

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A liquid is the state of matter in which a material has a definite volume but not a definite shape.

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A liquid is the state of matter in which a material has a definite volume but not a definite shape.