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What are the three common states of matter?
solid, liquid, gas
TRUE or FALSE: The fact that a copper wire can be bent shows that some solids do not have a definite shape.
FALSE
Describes how particles at the atomic level are arranged within most solids.
Arranged in a regular pattern; packet close together
TRUE or FALSE: A liquid takes the shape of its container.
TRUE
What is the state of matter in which a material has neither a definite shape or a definite volume?
gas
On the sun, where temperatures are extremely high, matter exists in a state known as ___________.
plasma
___________ is the energy of motion.
kinetic energy
According to ____________ all particles of matter are in constant motion.
kinetic theory
TRUE or FALSE: There are forces of attraction among the particles in all matter.
TRUE
TRUE or FALSE: Because of the constant motion of the particles in a gas, the gas has a definite shape and volume
FALSE
Do forces of attraction have a stronger effect on the behavior of the particles in a gas or in a liquid.
liquid
Solids have a(n) ________ volume and shape because particles in a solid vibrate in _______ locations.
definite, fixed
________ is a result of a force distributed over an area.
Pressure
What is the SI unit for pressure?
Pascal
Name at least TWO factors that affect the pressure of an enclosed gas.
temperature, volume, number of particles
TRUE or FALSE: In a closed container, increasing the temperature of a gas will decrease the force with which particles hit the walls of the container.
FALSE
