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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 ...

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...

Online Dictionary - Multiple dictionaries including: English dictionary, medical dictionary, legal dictionary, financial dictionary, computer dictionary, thesaurus, dictionary of acronyms and abbreviations, dictionary of idioms, thesaurus, Columbia e...

Eric Weisstein

Definition of word from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games.

Mr. Kent

Free Homework Help Videos in Math (Algebra 1-2, Geometry, Trigonometry, Precalculus, Calculus) & Science (Physics, Chemistry, Biology); SAT, ACT, AP & PSAT

Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights and experience.

Evaluate properties and analyze thermodynamic systems on line using smart calculators called daemons. Browse hundreds of animations to visualize thermodynamic systems.

Information about the Rutgers University Department of Environmental Sciences.