Science 

Bill Nye the Science Guy: His entertaining approach to science
http://nyelabs.kcts.org/core.html?flashtarget=core.html&noflashtarget=noflash.html

Chem4Kids: Easy to navigate site with lots of information.
http://www.chem4kids.com/

Cool Science for Curious Kids: Science activities for parents and kids to enjoy together
http://www.hhmi.org/coolscience/

Explorezone.com: News about the Earth, Space and Weather
http://explorezone.com/

Energy Quest: Wonderful adventures in energy fron the California Energy Commisssion
http://www.energy.ca.gov/education/index.html

Extreme Science: Focuses on the biggest, deepest, most ferocious things in nature with detailed articles and explanations
http://www.extremescience.com/index.html

Galaxy Science: Science Search Engine.
http://science.galaxy.com/

Heart: An Online Exploration: Explore the workings of the human heart.
http://sln.fi.edu/biosci/biosci.html

Human Anatomy On-Line: Shows the anatomy of the human body. Graphics are animated.
http://www.innerbody.com/

Idea Finder: The who and what and how of odd inventions.
http://www.ideafinder.com/facts/fsp.htm

Mad Scientist Network: The site has 3 divisions: Ask-A-Scientist, MAD Labs, and MadSci Library
http://www.madsci.org/

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