KidsClick

http://www.kidsclick.org/

Multnomah County Library – Homework Help

http://www.multcolib.org/homework/

American Library Association – Homework Helpers

http://www.ala.org/ala/aasl/aaslpubsandjournals/kqweb/kqreviews/networth/v31n4.cfm

InfoPlease.com Homework Help

http://www.infoplease.com/homework/

RefDesk.com

http://www.refdesk.com/

Questions and Answers NJ.org

(you might need a public library card  number for this one)

http://www.qandanj.org/