Science Quizzes (Terrific site)
http://www.dcn.davis.ca.us/GO/EXPLORIT/quiz.html#cgi
Chemistry Drill
http://www.edu4kids.com/chem/
Experiments
http://www.brighterkids.com/experiment.html
General Sites
HTTP://www.dcn.davis.ca.us/go/explorit/
http://www.hhmi.org/coolscience/
http://www.sciencemadesimple.com/
http://www.funbrain.com/
http://www.osc.on.ca/
http://kids.msfc.nasa.gov/
http://www.surfnetkids.com/experi.htm
http://www.surfnetkids.com/directory/science.htm
http://earthsky.com/
http://www.exploratorium.edu/learning_studio/
http://www.nationalgeographic.com/kids/
http://www.sciencecentral.org/
http://www.mmhschool.com/
Chemistry
http://www.chem4kids.com/
http://library.thinkquest.org/3659/
Science and Technology
http://www.thetech.org/hyper/
Polymers
http://www.psrc.usm.edu/macrog/index.htm
Biotechnology
http://www.science2discover.com/
Astronomy
http://www.yac.org/yac/
Rainforests
http://www.eduweb.com/amazon.html
Water Science
http://ga.water.usgs.gov/edu/
Illusions
http://www.illusionworks.com/
Paleontology
http://www.ucmp.berkeley.edu/
Bio-interactive
http://www.biointeractive.org/