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science

unit three (working on now)

TermDefinition
matter anything that has mass and takes up space
energy the ability to do work
physical property a characteristic of a substance that does not involve a chemical change
chemical property a property of matter that describes a substances ability to participate in chemical reactions
chemical change a change that occurs when one or more substances change into an entirely new substances with different properties
states of matter the physical forms of matter that include solid liquid and gas
solid a state of matter in which volume and shape of a substance are fixed definite shape and definite volume
physical change a change in matter from one form to another without a change in chemical properties
liquid a state of matter that has a definite volume but not a definite shape
gas a form of matter that does not have a definite shape or volume
melting the change of state in which a solid becomes a liquid by ADDING energy
evaporation the change of state in which a liquid becomes a gas
boiling the conversion of a liquid to a vapor - it occurs when the pressure inside the bubble equals the pressure outside the bubble
condensation the change of state from a gas to a liquid by REMOVING energy
freezing the change of state from a liquid to a solid by REMOVING energy
sublimation the process in which a solid changes directly into a gas
vaporization occurs when the particles in a liquid gain enough energy to move independently
deposition the process in which a gas changes directly into a solid
Created by: izzy255
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