(Sample link) White House for Kids http://www.whitehouse.gov/kids/whlife/index.html
(Sample link) National Geographic for Kids http://www.nationalgeographic.com/kids/
World Book On Line (HDES Media service) http://www.worldbookonline.com
Jeeves for kids http://www.askkids.com
How stuff works http://www.howstuffworks.com
Geography Bee wwww.geobee.com