http://www.energyquest.ca.gov/projects/ - At
EnergyQuest, you will find a couple dozen
projects that have to do with different types of
energy. Instructions are presented in clear,
step-by-step format that include diagrams
and templates.
http://school.discoveryeducation.com/science
faircentral/elmers/250projectideas.html
-
Elmer's presents this site of 250 different
project ideas for science fair's sorted by
academic fields of study.
http://www.sciencebuddies.com - At Science
Buddies, you will find a "Topic Selection
Wizard" that will help you come up with an
idea that will "keep your interest". The wizard
will take you through a series of questions
until you narrow down your results. Then you
can view project ideas in the selected field
according to level of difficulty.