Fun Brain http://www.funbrain.com
Periodic Table of Elements http://www.chemsoc.org/viselements/pages/pertable_fla.htm
The Yuckiest Site onthe Internet http://yucky.kids.discovery.com/noflash/index.html
Kids' Health http://kidshealth.org/kid/
Human Body Adventure http://vilenski.org/science/humanbody/hb_html/circ_system.html
Digestive System - How the Body Works http://kidshealth.org/PageManager.jsp?article_set=29673&ps=110
MUSCLE GAME http://www.bbc.co.uk/science/humanbody/body/interactives/3djigsaw_02/index.shtml?muscles
Fun with Genetics site http://ology.amnh.org/genetics/
National Geographic for Kids http://www.nationalgeographic.com/kids/