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Topic One, Lesson 3: The Hydrosphere

water cycle The continual movement of water among Earth's atmosphere, oceans, and land surface through evaporation, condensation, and precipitation.
evaporation The process by which molecules at the surface of a liquid absorb enough energy to change to a gas.
transpiration The process when water vapor is given off through the leaves of a plant.
condensation The change in state from a gas to a liquid.
precipitation Any form of water that falls from clouds and reaches Earth's surface as rain, snow, sleet, or hail.
watershed The land area that supplies water to a river system.
aquifer An underground layer of rock or sediment that holds water.
well A hole sunk into the ground to reach a supply of water.
process A series of actions or operations leading toward a particular result.
Created by: ScienceWTRMS