See the water filtration system up close with a fun science experiment. Young scientists work for several class periods to design a water filter using household objects, and then decide which filter material would be most effective...

This U.S. Geological Survey website features a fictious town, Dryville, and uses it to illustrate every aspect of water management that you might encounter. Click Home to access the site in Spanish.

This website offers three activity centers: Questionnaires, Opinion Surveys, and Challenge Questions. Take a look at these interesting water research activities from the US Geological Survey. Click Home to access the site in Spanish.