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Heat of Fusion- the energy a substance must absorb in order to change from a solid to a liquid

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Endothermic reaction- a chemical reaction that absorbs energy from its surroundings
Exothermic reactions- a chemical reaction that releases energy to its surroundings

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Charles's law- the direct proportion of the volume of a gas to its temperature if the pressure and the number of particles of the gas are constant

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Boyle's law- the inverse variation of the volume of a gas with its pressure if the temperature and the number of particles are constant

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Example- The kinetic energy of a baseball depends on the speed at which the pitcher throws the ball.

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The kinetic theory of matter helps to explain the behavior of liquids and solids.

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The kinetic theory of matter was developed in the mid-1800s to explain the behavior of gases.

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Kinetic theory of matter- all particles have constant random motion

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Plasma- a state of matter in which atoms have been stripped of their electrons

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Gases- the state of matter in which a material has neither a definite shape nor a definite volume
Example: helium

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Liquid- the state of matter in which a material has a definite volume but not a definite shape
Example: Wa

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Solid- the state of matter which materials have a definite shape and a definite volume
Example: Brick

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Condensation- Gas to liquid

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Sublimation- Solid to gas
Example: Dry ice

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Evaporation- Liquid to Gas

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Melting- Solid to a liquid

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Deposition- the phase change in which a gas or a vapor changes directly into a solid without first changing into a liquid

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Freezing- Liquid to a solid

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http://www.creditslips.org/.a/6a00d8341cf9b753ef01b8d0c938bf970c-400wi
http://cdn.shopify.com/
http://www.literoof.in/wp-content/uploads/2015/02/literoof-solid-block.jpg
http://images.wisegeek.com/water-poured-into-cup.jpg
http://www.school-for-champions.com/science/matter_kinetic_theory.htm