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Properties of Matter
Vocabulary
16
Science
7th Grade
10/04/2015

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Term
plasma
Definition
The state of matter that is a hot gas of electrically charged particles
Term
gas
Definition
The state of matter that does not have a definite shape or volume, and flows
Term
liquid
Definition
The state of matter that has a definite volume, no definite shape, and flows
Term
solid
Definition
The state of matter that has a definite volume and shape and doesn't flow
Term
deposition
Definition
Process of a gas changing directly into a solid without ever becoming a liquid
Term
sublimation
Definition
Process of a solid changing directly into a gas without ever forming a liquid
Term
temperature
Definition
The measure of the average kinetic energy of individual particles making up something
Term
boiling point
Definition
Temperature at which a liquid starts to change into a gas at sea level
Term
convection
Definition
The transfer of thermal energy through the motion of fluids
Term
thermal energy
Definition
The sum of the energy of all of the particles making up something
Term
heat
Definition
The transfer of thermal energy due to temperature differences
Term
melting point
Definition
Temperature at which a solid starts to change into a liquid
Term
condensation point
Definition
Temperature at which a gas starts to change into a liquid
Term
freezing point
Definition
Temperature at which a liquid starts to change to a solid
Term
radiation
Definition
The transfer of energy by electromagnetic waves
Term
heat conduction
Definition
The transfer of thermal energy by direct contact of matter
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