White House for Kids http://www.whitehouse.gov/kids/whlife/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
(Sample link) Fun activities - by girls....for girls. http://www.missoandfriends.com/
Everyday Math Games http://www.emgames.com
Scholastic http://www.scholastic.com/sn1
Columbus Zoo and Aquarium http://www.columbuszoo.org
Starfall-literacy activities http://www.starfall.com
Science Activities http://www.fossweb.com