water cycle: the continuous movement of water between earth’s surface and the air, changing from liquid to gas to liquid.
evaporation: the process in which a liquid changes into a gas
condensation: the process in which a gas changes into a liquid *the water must COOL before it can become a cloud!*
precipitation: any form of water particles that fall to the earth (rain, snow, sleet, hail)
transpiration: the process of plants absorbing water through their roots, the water moving up to the leaves, and then evaporating
vapor: water in its gaseous state
runoff: water that flows downhill to rivers, streams, or lakes