http://urbanext.illinois.edu/treehouse/seasons.cfm?Slide=1
http://www.space.com/science-astronomy/
http://teacher.scholastic.com/researchtools/articlearchives/animals/
http://kids.usa.gov/social-studies/index.shtml
http://kidport.com/GradeK/Science/ScienceIndex.htm
http://video.nationalgeographic.com/video/kids/science-space-kids/
http://www.sheppardsoftware.com/World_GL.html
This will be periodically updated. Please let me know if you want to add you website in the list.
Thank you for the great info! I am your newest follower, I found you on Bloggy Moms! Hope you get a chance to check out my blog.
http://www.mommymentionables.com
Thanks.