California Standards http://www.cde.ca.gov/be/st/ss/
Math Online Textbook (Student Activation Code 3496403-30) http://www.classzone.com
Earth Science Textbook Online http://my.hrw.com
Corek12 (CST Test Prep) corek12
another good math site to practice skills. http://aaamath.com/
Ask Jeeves for kids http://www.ajkids.com
Math Homework Help http://www.math.com/students/homework.html
Cool Volcano Website http://volcano.oregonstate.edu/kids/index.html
Bill Nye the Science Guy http://www.billnye.com
Fun Math Games http://pbskids.org/cyberchase/games.html
Some more educational games http://www.factmonster.com/
USGS Earthquake Hazards Program � Earthquakes for Kids http://earthquake.usgs.gov/learning/kids.php
Halloween & Thanksgiving Hangman http://dedge.com/flash/hangman/hangman.swf?a=300
Another site for some games http://www.funbrain.com
City Jumper http://www.city-jumper.net
Volcano Webquest http://www.sinc.sunysb.edu/Class/est572/cciarelli/volcano.html
Letters for Soldiers http://www.bjs.com/about/news/content/item1,140.shtml