IPL: Science Fair Project Resource Guide - http://www.ipl.org/div/kidspace/projectguide/
 This site includes steps for doing science fair projects and also links to project ideas

Discovery School Science Fair Central - http://school.discovery.com/sciencefaircentral/
This site includes information about completing a science fair projects and ideas for those projects.

SciFair.org - http://www.scifair.org/
This site is a great resource for help with science fair projects, science fair ideas, tips on carrying out science experiments, and creating winning science fair projects.

USGS - http://earthquake.usgs.gov/4kids/sciencefair.html
This site gives ideas for geology related science fair projects.

Science Buddies - http://www.sciencebuddies.org/
This site contains helps in choosing a project as well as how to complete one.

What Makes a Good Science Fair Project? - http://www.usc.edu/CSSF/Resources/Good_Project.html
This site gives ideas about what a good science project would look like.

Bunsen Bob’s Science Hunt -http://www.sciencehunt.com/websites/hunthow.nsf/8th_Under?openframeset
This site gives a start to finish method to completing a science project, and includes project ideas.

Super Science Fair Projects - http://www.super-science-fair-projects.com/
This site claims to be the complete guide to Science fair projects, topics and experiments.

Science Fairs Made Easy! - http://othello.mech.nwu.edu/~peshkin/scifair/chias_ideas.html
This site gives a list of science projects rated at different academic levels.

All Science Fair Projects - http://www.all-science-fair-projects.com/
This site lists science fair projects with complete instructions.

Science Fair Projects - http://members.ozemail.com.au/~macinnis/scifun/projects.htm
This site gives instructions for completing a science project including a good list of topics.