precipitation, the falling to earth of any form of water (rain or snow or hail or sleet or mist), water cycle, the continuous movement of water into the air, onto land, and then back to water sources, transpiration, the release or evaporation of water from plants, evaporation, the process by which water changes from liquid to a gas by gaining heat energy and, condensation, the process by which water vapor (gas) and changes into liquid water from a loss of heat energy, sun, the energy source responsible for the Earth's heating that drives the water cycle, collection/accumulation, Water gathers in bodies of water such as ponds, lakes, and oceans., surface runoff, Water flows over the Earth’s surface from areas of higher elevation to areas of lower elevation toward lakes, streams, and the ocean, infiltration/percolation, The process of water soaking into the ground and traveling down through spaces in the soil and cracks in rock., ground water, Water that is stored beneath the Earth’s surface sometimes for long periods of time

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