California Academic Standards http://www.cde.ca.gov/be/st/ss/
National Geographic http://www.nationalgeographic.com
Spy Guys: Interactive Website Important Math Concepts for the 6th Grade
K-8 Kids Place. http://www.eduplace.com/kids/index.jsp
Time For Kids http://www.timeforkids.com/TFK/
Create Your Own "Mad Libs" This is lots of fun! http://www.eduplace.com/tales/