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Solids, Liquids, And Gases
Chapter 2
12
Science
8th Grade
02/07/2012

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Term
Solid
Definition
Definite shape and definite volume
Term
Solid's particles
Definition
Packed tightly and closely together in a fixed position, they vibrate
Term
Crystalline solids
Definition
solids made up of crystals
Term
amorphous solids
Definition
particles aren't arranged in a set pattern
Term
liquid
Definition
has a definite volume/ no shape of its own
Term
fluid
Definition
substance that flows
Term
liquid's particles
Definition
packed closely together, free to move around eachother
Term
surface tension
Definition
the result of an inward pull among the molecules of a liquid that brings the molecules on the surface closer together
Term
viscosity
Definition
a liquid's resistance to flowing
(high viscosity = flows slowly
(low viscosity = flows fast
Term
gas
Definition
matter with no certain volume or shape
Term
gas's particles
Definition
spread apart filling the space available
Term
melting
Definition
a change from a solid to a liquid, occurs at a specific point: melting point
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