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25 Cards in this Set
- Front
- Back
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A state of matter that has a definite volume and a definite shape.
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solid
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A substance that is made up of crystals in which particles are arranged in a regular repeating pattern.
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crystalline solid
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A solid made up of particles that are not arranged in a regular pattern.
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amorphous solid
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A state of matter that has no definite shape but has a definite volume.
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liquid
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Any substance that can flow.
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fluid
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The resistance of a liquid to flowing.
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viscosity
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A state of matter with no definite shape or volume.
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gas
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The average energy of motion in the molecules of a substance
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temperature
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The force that something exerts over a given area; also, the outward push of a gas against a container divided by the area of the walls of the container.
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pressure
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The relationship between the pressure and volume of a gas at constant temperature;when volume increases,pressure decreases.
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Boyle's law
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The relationship between the temperature and volume of a gas at constant pressure; when temperature increases, volume increases.
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Charles's law
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A diagram that shows how two variables are related .
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graph
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A term used to describe the relationship between two variables whose graph is a straight line passing through the point.
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directly proportional
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A term used to describe the relationship between two variables whose graph forms a curve that slopes downward.
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vary inversely
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The total energy of motion in the molecules of a substance.
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thermal energy
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A form of energy that comes from chemical bonds.
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chemical energy
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The principle that the total amount of energy remains the same during physical or chemical change.
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law of conservation of energy
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The change in state from a solid to a liquid.
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melting
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The change in state from a liquid to a solid.
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freezing
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The change of state from a liquid to a gas.
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vaporization
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The process by which molecules at the surface of a liquid absorb enough energy to change to the gaseous state.
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evaporation
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The process that occurs when vaporization takes place inside a liquid as well as on the surface.
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boiling
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The process by which molecules of water vapor in the air become liquid water; also the change of state from a gas to a liquid.
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condensation
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The change in state from a solid directly to a gas without passing through the liquid state.
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sublimation
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A process in which a substance undergoes chemical changes, forming new substances with different properties than the original.
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chemical reaction
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