HEATKEYS

Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.

Animated Science, Health, Technology, Math, Social Studies, Arts & Music and English movies, quizzes, activity pages and school homework help for K-12 kids, aligned with state standards

The Khan Academy is a not-for-profit 501(c)(3) with the mission of providing a world-class education to anyone, anywhere. Despite being the work of one man, Salman Khan, this 1600+ video library is the most-used educational video resource as measure...

Infoplease.com, a free, authoritative, and respected reference for Internet users, provides a comprehensive encyclopedia, almanac, atlas, dictionary, and thesaurus. Infoplease.com contains facts on all subjects including sports, entertainment, techno...

Online Conversion is a resource for weights, measures, calculators, converters.

Math homework help. Hotmath explains math textbook homework problems with step-by-step math answers for algebra, geometry, and calculus. Online tutoring available for math help.

Hundreds of fun educational games and activities for kids to play online. Topics include math, geography, animals, and more.

Get great science fair projects, kids science projects & experiments, & science articles at Science Made Simple. Free Sample Projects. Learn how to choose science fair topics & ideas, plan and perform your science experiment using the sci...