Worldbook Online Encyclopedia
Free online resources for English, foreign languages, math, science, and social studies. Includes learning games, puzzles, and quizzes.
From the Library of Congress. A gateway to pimary source materials relating to the history and culture of the United States. The site offers more than 7 million digital items from more than 100 historical collections.
Biology, literature and authors, and history are among the topics covered. Comprehensive site maintained by librarians.
Excellent study guides for subject areas including philosophy, literature, math, history, and science. Also has full text of some classic literary works.
HomeworkSpot is a free information portal that features the very best K-12 homework related sites together with engaging editorial in one high utility, educational spot.