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Water Science for Schools
[ Kids/Teens/Mature Teens ] - By the USGS, topics include: basics, water use, FAQ, special topics, glossary, activity center, and picture gallery. http://ga.water.usgs.gov/edu/
[ Kids ] - Provides in-depth information about storms, atmosphere, fisheries, the Great Lakes, oceans, and El Nino. Material written especially for middle school students.
[ Kids ] - Learn about NASA earth science projects related to air, thunderstorms, the earth's crust, tropical rainfall, and water. Sponsored by NASA's Earth Science Enterprise.