(Sample link) NASA for high school students http://www.nasa.gov/audience/forstudents/9-12/features/index.html
bbc schools - fun science games http://www.bbc.co.uk/schools/
animal info. and activities http://www.pbs.org/wnet/nature/fun.html
animal activities http://www.ecokids.ca/pub/eco_info/browse_topics/science_nature.cfm#nature
Brain Teasing Activities http://www.funbrain.com
Logic Games http://www.mathcats.com/explore.html
TumbleBooks- Reading and Comprehension Activities http://www.tumblebooks.com
Make a Quake http://tlc.discovery.com/convergence/quakes/interactives/makeaquake.html
Tsunami http://www.columbia.K12.mo.us/dre/tsunami.html