Where Did That Water Come From? match word with definitions Tools A B Water A resource needed by all the living things in an ecosystem Precipitation The forms of condensed water vapor such as snow, rain, or sleet Water Cycle The method in which water continually moves from the earth to the atmosphere and back again Water Vapor The gaseous state of water Condensation The change of water from gas to a liquid Evaporation The process in which water becomes a vapor in the atmosphere Groundwater Water found and used from under ground Science The study of living and non-living things