chapter 8 vocabulary Flashcards
solid
matter that has a definite volume and shape
liquid
matter that has a definite volume but not shape
gas
matter that has no definite volume or shape
viscosity
measurement of a liquid’s resistance to flow
surface tension
uneven forces acting on the particles on the surface of a liquid
vapor
gas state of a substance that is normally a solid or liquid at room temperature
kinetic energy
energy an object has due to motion
temperature
a measure of the average kinetic energy of all the particles in an object
thermal energy
total potential + kinetic energies of an object
evaporation
vaporization only at the surface of a liquid
condensation
change of state from gas to liquid
sublimination
solid to gas without liquid state
deposition
gas to solid without liquid state
kinetic molecular theory
explanation of how particles in matter behave
pressure
amount of force per unit of area