Welcome to the U.S. Geological Survey's (USGS) Water Science for Schools web site! We offer information on many aspects of water, along with pictures, data, maps, and an interactive center where you can give opinions and test your water knowledge. You can choose a topic from the menu below, get a description of our main water topics, or view our site map. New! The water cycle - The most comprehensive Web site about the water cycle anywhere, with a diagram available in 36 languages. New! La Ciencia del Agua para Escuelas - Spanish version. |
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