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Chapter 4 States of Matter.

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Term
Definition
Matter   Anything that takes up space and has mass.  
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Solid   Matter with a definite shape and definite volume.  
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Liquid   Matter that has a definite volume but no definite shape.  
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Kinetic energy   energy an object has due to its motion  
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Energy   the ability to do work or cause change  
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Gas   Matter that does not have a definite shape or a definite volume.  
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Thermal energy   The sum of the kinetic and potential energy of the particles in a material.  
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Temperature   Measure of the average kinetic energy of the individual particles of a substance.  
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Heat   Movement of thermal energy from a substance at a higher temperature to a substance at a lower temperature.  
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Melting   Change of matter from a solid state to a liquid state.  
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Freezing   Change of matter from a liquid state to a solid state.  
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Vaporization   Change of matter from a liquid state to a gas.  
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Condensation   Change of matter from a gas to a liquid state.  
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Evaporation   Type of vaporization that occurs at the surface of a liquid as it enters the gaseous state.  
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Pressure   Amount of force applied per unit area on an object's surface; SI unit is the Pascal (Pa).  
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Buoyant force   Upward force exerted on an object immersed in a fluid.  
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Sublimation   Change of matter from solid state to gas state.  
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Density   Physical property of matter that can be found by dividing the matter's mass by its volume.  
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Deposition   Change of matter from gas state to solid state  
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Specific heat   the amount of heat required to raise the temperature of 1 gram of a substance by 1 degrees Celsius  
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Ionization   Change of matter from gas to plasma state  
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Recombination   Change of matter from plasma to gas state  
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Created by: erunge
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