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Matter and Energy

Just matter and energy flash cards

QuestionAnswer
physical property The properties of matter we observe with our senses
extrinsic properties Mass, volume, and energy
intrinsic properties Color, melting point, boiling point, hardness, and electrical conductivity
compressible Can be pressed down
phase barriers The point at which matter changes phase
condensation point The temperature at which gas becomes a liquid
freezing point The temperature at which a liquid becomes a solid
melting point The temperature at which a solid becomes a liquid
boiling point The temperature at which a liquid becomes a gas
sublimation The evaporation of a substance directly from a solid to a gas without melting
deposition The condensation of a substance directly from a vapor to a solid, without going through the liquid phase
density The mass per unit volume of a substance, how tightly packed it is
polarity How the charge is distributed in a bond
volatile compound Atoms that exist as gas at room temperature
volume The amount of space an object takes up
pressure A force applied uniformly over an area
directly proportional When one quantity increases, so dose the related quantity
inversely proportional When one quantity increases, the opposite quantity decreases
internal energy The transfer of heat or thermal energy
exothermic reaction The release of thermal energy
endothermic reaction The absorption of heat energy
activation energy The energy needed to start a reaction
catalyst Increases the rate of a reaction
Created by: Aaron :]
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