Here are some websites to help with your homework:
EcoKids is a free, environmental education program that offers curriculum-linked materials and activities for Canadian elementary schools to engage in environmental action.
BJ Pinchbeck's Homework Helper is one of the highest rated homework help sites on the Web. Games and quizzes demonstrate the Dewey Decimal System. Developed by ThinkQuest kids and their teacher in Jonesboro, Arkansas.
Stuck in Math? Ask Dr. Math.
Science Fair Project Resource Guide. An excellent resource from the Internet Public Library that links kids to all sorts of resources for their science fair projects, or just for fun projects at home.
Wikijunior - A Wiki just for kids, find information on "How Things Work," the "Solar System" and much more!