Math skills and more! http://www.aplusmath.com/
Practice math facts! http://www.aaamath.com/
Current events. http://www.timeforkids.com/TFK/
Fun learning games. http://www.primarygames.com
Information and questions answered. http://www.ajkids.com/
Books and authors. http://www.kidsreads.com/
http://www.seussville.com
Learn about space while playing games. http://www.nasa.gov/audience/forkids/kidsclub/flash/index.html
Go to Little Explorers for dictionary fun. http://www.enchantedlearning.com