Sites to help you choose your topic:

• All Science Fair Projects -- http://www.all-science-fair-projects.com/
• Science Fair Central -- http://school.discovery.com/sciencefaircentral/
• Science Fair.org -- http://www.scifair.org/
• Successful Science Fair Projects -- http://faculty.washington.edu/chudler/fair.html
• Future Scientists and Engineers -- http://www.fsea.org
• Super Science Fair Projects -- http://www.super-science-fair-projects.com
• Science Fairs -- http://www.stemnet.nf.ca/sciencefairs/
• Science Fair Project Guide on IPL -- http://www.ipl.org/div/kidspace/projectguide/
• http://k12pages.r8esc.k12.in.us/allen/swacs/sciencefair/ideas.html
• http://quark.physics.uwo.ca/sfair/sfideas.htm
• http://www.halcyon.com/sciclub/cgi-pvt/scifair/guestbook.html