http://ipl.lub.lu.se/youth/DrInternet/environment.html - water facts, experiments and a great quiz

http://www.thehollandsentinel.net/feature/earthday98/stories/ear_water.html - water experiments

http://www.igc.apc.org/wri/enved/waterp/wp-acts.html - some very creative and exciting watershed pollution activities

http://cgee.hamline.edu/watershed/index.htm - very useful information on watersheds

http://130.70.46.129/k12act/data/water/gr-3-4/lesson.html - lots of links and ideas around the topic of water

http://pmi.princeton.edu/pathways/chm112_98/students/waterstuff/water.html - water pollution and resources

http://www.epa.gov/OGWDW/kids/exper.html - water experiments

http://www.epa.gov/OWOW/wetlands/scinfo.html - wetlands information

http://wwwga.usgs.gov/edu/ - water science