22 terms

Chapter two Balentine Vocabulary

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solid
a definite shape and a definite volume
crystalline solids
solids that are made up of crystals
amorphous solids
a solid made up of particles that are not in a regular pattern
liquid
a definite volume but not a definite shape
fluid
substance that flows
surface tension
an inward force, or pull, among the molecules in a liquid that brings the molecules on the surface closer together.
viscosity
a liquids resistance to flowing
gas
no definite shape nor volume
pressure
the force of its outward push divided by the area of the walls of the container
melting
the change in state from a solid to a liquid
melting point
in pure, crystalline solids, melting occurs at a specific temperature
vaporization
the change in state from a liquid to a gas
evaporation
vaporization that takes place only on the surface of a liquid
boiling
vaporization that takes place both below and at the surface of a liquid
boiling point
the temperature at which a liquid boils
condensation
the change in state from a gas to a liquid
sublimation
when surface particles of a solid gain enough energy that they form a gas
charles's law
when the temperature of a gas at constant pressure is increased, its volume increases. when the temp. decreases, its volume decreases
directly proportional
when a graph of two variables is a straight line passing through the origin, the variables are __________ _________________
boyle's law
when the pressure of a gas at constant temp. is increased, the volume is decreased and vice versa
inversely proportional
when the product of two variables is constant, the variables are _______________ ___________
freezing
the change of state from a liquid to a solid
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