White House for Kids http://www.whitehouse.gov/kids/whlife/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
Orange County Science and Engineering Fair http://www.ocsef.net/
Science clips- online activities for grades 3-5 http://www.bbc.co.uk/schools/scienceclips/index_flash.shtml
site for 5th grade plant unit http://www.biology4kids.com/files/plants
Rocks and Minerals http://volcano.und.edu/vwdocs/vwlessons/lessons/Slideshow/Slideindex.html
Rocks & mineral pictures and information http://www.yuprocks.com/index.shtml
Human Anatomy on line http://www.innerbody.com/htm/body.html
Enchanted learning http://www.enchantedlearning.com
World Maps http://www.mapsofworld.com
Toy Challenge http://www.toychallenge.com
Famous Inventors and inventions http://inventors.about.com/od/famousinventors/Famous_Inventors_Nationality_or_A_Z.htm
Invention Convention http://www.invent.org
NSTA Science Links http://www.scilinks.org/
Holt, Rinehart, Winston Publishers http://Go.HRW.Com