US Geological Survey
Usgs: The Water Cycle
Learn about the movement of water from Earth's surface to the atmosphere with this site. Site describes the water cycle in words and with a diagram. Also explored on the page is the distribution of Earth's global water supply.
TeachEngineering
Teach Engineering: Ocean Water Desalination
Young scholars learn about the techniques engineers have developed for changing ocean water into drinking water, including thermal and membrane desalination. They begin by reviewing the components of the natural water cycle. They see how...
US Geological Survey
U.s. Geological Survey: The Water Cycle: The Oceans
Through pictures, diagrams, and charts, learn how the ocean serves as a storehouse of water.