Bunsen Bob's Science Hunt

http://www.sciencehunt.com/HuntHow.nsf/
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This web site is designed to help with understanding the scientific method and tries to make science projects fun.  "Project Central" provides a long list of science project ideas with clear and very easy-to-understand explanations of each step of the scientific method and tips on how to choose an experiment.

Internet Public Library:
Science Fair Project Resource Guide

http://www.ipl.org/youth/projectguide/

The IPL will guide you to a variety of web site resources, leading you through the necessary steps to successfully complete a science experiment. Topics covered include the Scientific Method, Choosing a Topic, Building Your Project, and Presenting Your Work.

KidsClick! Experiments

http://sunsite.berkeley.edu/KidsClick!

Under the Science and Math section of the main KidsClick! web site is a section entitled Experiments. Clicking on this link will provide you with a lengthy list of science fair resources available on the Internet and chosen by librarians as reputable sources.

Math Ideas For Science Fair Projects

http://forum.swarthmore.edu/teachers/
mathproject.html

This site collects suggestions of math science fair projects from teachers and Dr. Math. There is also a link enabling you to explore math in different disciplines via 11 different people using math in their careers.

Science Fair Central

http://school.discovery.com/sciencefaircentral/

This excellent site provides links to a science fair handbook, project ideas, other Web sites and books. There is also a link to Jancie VanCleave's site, offering ideas and tips for your science fair project.

Science Fair Ideas:
Homework Help Net Links

http://homeworkhelp.about.com/teens/
homeworkhelp/msub26.htm

Listing over 30 links to Web pages offering everything from ideas to hints on how to do an excellent science fair project, this site is perfect for those who are trying to locate a specific or obscure science fair project in disciplines as varied as zoology, computer science, food science, and microbiology, as well as, many more.

Science Fair Project Ideas

http://www.lasciencefair.org/ideas.htm

This site offers science fair ideas in the fields of behavioral and social science, botany, biochemistry, chemistry, computer science, earth and space, engineering, environmental science, gerontology, mathematics, medicine and health, microbiology, physics, and zoology. Keep in mind that this site is offering ideas for the most part (not much in the way of how to perform the experiment).

Science Fair Project Index

http://ascpl.lib.oh.us/scifair/sftp.htm

This site, produced by the Akron-Summit County Public Library, offers an electronic database, indexing science experiments published from 1990 through the current year. You can search by subject, experiment title, and grade level.

Science Buddies

http://www.sciencebuddies.org/
Science Buddies is a non-profit organization focused on developing science enrichment tools for students in grades K-12. For the past four years, they have been focusing on develpoping resources for students conducting science fair projects.

Science Fair Resource Center

http://www.hallbar.com/sciencecenter.html

This is a very comprehensive science fair resource web site. It includes links to science fair project ideas and topics, examples, books and kits, as well as, general information and tips for a successful science fair project. The project ideas are divided by grade levels - elementary school, middle school, and high school.

Science Fairs Homepage

http://www.stemnet.nf.ca/sciencefairs/

This Web page is designed to aid students in the most difficult aspect of their science fair experience; getting an idea. The science fair projects are divided into several categories-primary, elementary, intermediate, and senior projects. There is also a section on Cool Links, listing a variety of other science fair resources available on the Web.

ScienzFair Projects

http://members.aol.com/ScienzFair/ideas.htm

Organized by category, this web site provides a listing of ideas that can be developed in science fair projects. Most of the links provide the idea, some background information, and possibly an outline. It is left up to the student to do the actual project.

Spotlight on Science Fairs

http://www.fi.edu/qanda/spotlight1/spotlight1.html

This site offers the whole science fair experience online--choosing an idea for your science fair project, tips for completing your project, sample projects, and even a science fair online. Each of these sections has several links, offering information and advice all along the way.

http://faculty.washington.edu/chudler/fair.html

This site is a great place to read about and understand what makes a good project and what doesn't.  Each section of a project is clearly and simply explained.  Tips for a good display are also included, but there isn't a list of experiment ideas.

The National Student Research Center

http://youth.net/nsrc/sci/sci.index.html

While not very visually appealing, this site contains many, many student reports of successful experiments.  The main page is merely a long list of nine volumes of collected reports (1993-2001).  All the reports detail the entire experiment, along with the conclusions, written according to the scientific method.  The beginning of each report states the student's grade.

Try Science

http://tryscience.org

Content on this site is contributed by science centers and museums around the world. It provides access to experiments in the following areas: earth sciences, biological sciences, mathematics, physical sciences, space sciences, technology and engineering, chemistry, social sciences, and medicine and health.

Ultimate Science Fair Resource

http://www.scifair.org

This site claims to be the Internet's premiere resource for science fair information. Among its pages you can find project steps and hints, help on writing reports and creating display boards, an idea bank, and science research.

The World Wide Web Virtual Library:
Science Fairs

http://physics.usc.edu/~gould/ScienceFairs/

This site attempts to provide a single, comprehensive list of every science fair accessible through the World Wide Web, including international, national, state, regional, local, and virtual science fairs.