• Science Fairs - ideas, tips, projects, references, links to other sites
• The World-Wide Web Virtual Library: Science Fairs - links to science fair info throughout North America and a few international sites
•  California State Science Fair - a lot of good information about science fairs, projects, tips, etc.
• Science Learning Network
  High School Idea List
• Experimental Science Projects Guide
• www.sciencefaircenter.com Projects specifically focusing on water and water quality.
• www.watercenter.org Basic water information and terms.
• www.watercenter.net Info for teachers, classroom demos, etc.