Fact Monster
Fact Monster is a free reference site for students, teachers, and parents. Get homework help and find facts on thousands of subjects, including sports, entertainment, geography, history, biography, education, and health. www.factmonster.com

Awesome Library
Awesome Library organizes thousands of carefully reviewed K-12 education resources, including the top 5 percent for teachers, students, parents, and librarians. It includes a search engine. www.awesomelibrary.org

KnowItNow
Live on-line help provided by the State Library of Ohio.