Whitehouse for Kids http://www.whitehouse.gov/kids/whlife/index.html
National Geographic for Kids http://www.nationalgeographic.com/kids/
Current Events for Students http://www.cnn.com/studentnews/
http://www.scholastic.com/kids/home.htm
This link will provide you with different web sites on all the subjects. Some are interactive. Great site! thinkfinity.org