Regular Websites
Cornell University Library providing access to e-prints in physics, mathematics, computer science, quantitive biology, and statistics. - arXiv
http://arxiv.org/
Online conversions from physics units to other physics units. - Ask Numbers
http://www.asknumbers.com
Encompasses everything you ever wanted to know in the field of natural science, providing extensive links to up to the minute technological news, cutting edge research, journals, newsletters and archives. From biochemistry and physics, to global ecology and weather, you can find it here. - Natural Science
http://naturalscience.com/
The Pfizer Fun Zone is a drug and medical information website designed for young children. They can learn about important advances such as the electron microscope which has aided much scientific study. The website also has links to other science education websites. - Pfizer Fun Zone
http://www.pfizerfunzone.com/
An educational website to help people learn about science. Sponsored by Unisys and the National Science Foundation, the site provides access to some of the world best science museums. The site also has articles on insects and other scientific subjects, such as chemistry and biology. - Science Learning Network
http://www.sln.org/
Offers articles, subjects, and many links for all subjects of social studies, with a focus on what kids and their teachers and parents are teaching. - Social Studies for Kids
http://www.socialstudiesforkids.com/