matter
anything that is made up of atoms & molecules and takes up space
solid
matter that has a rigid shape and volume
liquid
matter that has a set volume but no set shape
gas
matter with no set shape and no set volume
thermal energy
total HEAT energy of all the particles of an object
atom
smallest, most basic unit of matter
molecule
two or more atoms held or bonded together
kinetic
energy of motion
precipitation
states of water falling from the sky due to gravity (rain, snow, hail, sleet or mist)
evaporation
change of state from a liquid to a gas
condensation
change of state from a gas to a liquid
transpiration
evaporation of water from the leaves of a plant
collection
process in the water cycle where streams and rivers carry water back to the oceans
runoff
water that moves across the land and into streams and rivers