Extreme Science

 A collection of science and technology information and resources available on  the Internet, including resources for students working on science fair projects.

MadSci Networkd

 MadSci Network represent a collective cranium of scientists proving answers to your questions.

American Museum of History

The American Museum of Natural History presents a web site full of kid-friendly science information, such as archaeology, astronomy, biodiversity, Earth, Einstein, and genetics. 

Mad About Physics

More than 14,000 science resources sorted by category, sub-category, and grade-level. 

Kid Science Project

 Great for science project ideas and more.

Society for Science & the Publc
Offers timely items of interest to kids, accompanied by suggestions for hands-on activities, books, articles, web resources, and other useful materials.