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RVMS Chapter 3
States of Matter
16
Science
8th Grade
02/28/2007

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Term
solid
Definition
-matter that has a definite shape and volume
Term
liquid
Definition
-matter that has a definite volume, but no shape of its own
Term
surface tension
Definition
- the result of the inward pull of the molecules of a liquid that bring the surface molecules closer together
Term
surface tension
Definition
-this causes water to "bead up"
Term
viscosity
Definition
-a liquid's RESISTANCE to flowing
Term
slowly
Definition
Liquids with a HIGH VISCOSITY will flow _________.
Term
gas
Definition
-matter that does NOT have a definite shape or volume
Term
solid, liquid, gas
Definition
What are the three main STATES of matter?
Term
increases
Definition
When matter changes from solid to liquid, its theramal energy:
Term
decreases
Definition
When matter changes from a gas to a liquid, its thermal energy:
Term
melting
Definition
-the change in state froma solid to a liquid
Term
freezing
Definition
-the change in state from a liquid to a solid
Term
vaporization
Definition
-the change in state from a liquid to a gas
Term
evaporation and boiling
Definition
What are two types of vaporization?
Term
condensation
Definition
-the change in state from a gas to a liquid
Term
sublimation
Definition
-the change in state from a solid directly to a gas
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