National Geographic for Kids http://www.nationalgeographic.com/kids/
Power's of Ten http://micro.magnet.fsu.edu/primer/java/scienceopticsu/powersof10/
Extreme Science http://www.extremescience.com/
Creating a Graph http://www.nces.ed.gov/nceskids/createagraph/default.aspx
Awesome sites for Earth Science http://www.internet4classrooms.com/earthspace.htm
Classification Help Site #1 http://animaldiversity.ummz.umich.edu/site/index.html
Science Dictionary - Illustrated http://www.enchantedlearning.com/science/dictionary/
Classification Help Site #2 http://plants.usda.gov/java/nameSearch
Vocabulary Definitions #1 http://dictionary.reference.com/help/luna.html
Vocabulary Definitions #2 http://www.thefreedictionary.com/
Alligators and Crocodiles http://www.cape.k12.mo.us/blanchard/hicks/gators_and_crocs.htm
Science Calculators http://www.extremescience.com/online-scientific-calculators.htm
Current Science News Features http://www.extremescience.com/newsportal.htm
Blue Planet Ocean Games http://www.bbc.co.uk/nature/blueplanet/games.shtml