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Ty Phy Sci Ch 3

States of Matter

QuestionAnswer
the physical forms in which a substance can exist states of matter
the state in which matter has a definite shape and volume solid
the state in which matter takes the shape of its container and has a definite volume liquid
the state in which matter changes in both shape and volume gas
the amount of force exerted on a given area pressure
for a fixed amount of gas at a constant temperature, the volume of gas increases as its pressure decreases Boyle's Law
states that for a fixed amount of gas at a constant pressure, the volume of the gas increases as its temperature decreases Charles's Law
the state of matter that does not have a definite shape or volume and whose particles have broken apart plasma
a conversion of a substance from one physical form to another change of state
the change of state from a solid to a liquid melting
the change of state from a liquid to a solid freezing
the change of statefrom a liquid to a gas vaporization
vaporization that occursthroughout a liquid boiling
vaporization that occurs at the surface of a liquid below its boiling point evaporation
the change os state from a gas to a liquid condensation
the change of state from a solid directly into a gas sublimation
Compare endothermic and exothermic changes. During endothermic changes, energy is absorbed. During exothermic changes, energy is released
Created by: beth2244
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