Search through hundreds of ideas for a science fair project by different subjects and difficulty ratings by school grade level.
California State Science Fair
This site provides information about the State Fair as well as other resourceful links.
Jet Propulsion Laboratory Science Fair Education
Need help getting started on your science fair project? In this video series, a JPL scientist, engineer, and educator team up to help you learn how to craft your very own idea for a great science fair project and see it through to completion.
NEED Science Fair Projects for Kids
This National Network of Energy and Environmental Education (NEED) site is ideal for science projects dealing with energy, and are divided by school grade level.
One of the ultimate sites for science experiments, complete with ratings on a scale of 1-10 according to difficulty.
Science Fair Central
Brought to you by the Discovery Channel, this site includes project ideas, a handbook, references, and a section for parents and teachers.
Your connection to worldwide science centers that offer online and offline interactivity with science and technology. This site makes science exciting, and for everyone! Includes adventure, science experiments, interactive field trips, hot topics and news-related polls and links, and Live Cams! Check it out! Recommended by the 2010 Association for Library Service to Children's Great Websites for Kids Committee!