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8th Grade Chapter 3

Solids, Liquids, and Gases

QuestionAnswer
solid state of matter that has a definite volume and a definite shape
viscosity the resistance of a liquid to flowing
particles of a liquid are free to move in a container but remain in close contact with one another
gas state of matter in which particles spread apart and fill all the space available to them
pressure the force of a gas's outward push divided by the area of the walls of the container
Boyle's Law when the pressure of a gas increases at a constant temperature, its volume decreases
the greater the speed of gas particles in a container the greater the pressure
when the temperature of a gas decreases at a constant volume its pressure decreases
Charles's Law when the temperature of a gas increases at constant pressure, its volume increases
a graph of Charles's law shows the relationship between temperature and volume of a gas
a graph of Boyle's law shows that the pressure of a gas varies inversely with its volume under constant temperature
during the process of sublimation a solid turns directly into a gas
surface tension where the surface of water can act like a sort of skin
freezing the change from liquid to a solid, or the reverse of melting
the freezing point of water is the same as its melting point
vaporization a liquid becoming a gas
boiling point of a substance is affected by the pressure of air above the substance
the opposite of vaporization is called condensation
a graph of Boyle's law shows the relationship between volume and pressure of a gas
a graph of Charles's law shows that the volume of a gas is directly proportional to its temperature under constant pressure
when the temperature of a gas at constant volume increases its pressure increases
a fluid is a substance that flows
volume the amount of space that a gas takes up
solid a state of matter in which the particles are packed tightly together in fixed positions
solids are arranged in either a crystalline or an amorphous form
the state of matter that undergoes changes in volume most easily gas
Created by: Mrs. Gordon
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