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The Chemical Heritage Foundation (CHF) fosters an understanding of chemistry?s impact on society. An independent, nonprofit organization, CHF maintains major collections of instruments, fine art, photographs, papers, and books. We host conferences an...

An online thesaurus and dictionary of over 145,000 words that you explore using an interactive map. It

Powered by the number 1 non-fiction media brand in the world, Discovery Education transforms classrooms and inspires teachers with engaging content and services that measure and improve student achievement.

Middle School Chemistry provides free science activities, multimedia, and information about upcoming workshops offered by the American Chemical Society for middle school science teachers

Wolfram|Alpha gives you access to the world

For Common Core resources, teacher videos, strategies and lesson plans, go to Teaching Channel. Find great ideas and strategies in classroom teaching videos covering Math, Science, English, History and more.

Find lesson plans, classroom materials and resources from high-performing K-12 teachers. Share curriculum and connect with fellow educators around the world

Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...