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Support for high school science courses, including chemistry, AP Chemistry, biology and physics. ScienceGeek.net is the website of Andy Allan, science instructor at El Diamante High School in Visalia, CA.

YouTube is a place to discover, watch, upload and share videos.

Learn high school science, chemistry, biology, physics, math and more from the best teachers.

Get free chemistry help from expert chemistry tutors online and understand every concepts in depth. Avail a free chemistry tutoring session and also gain quality chemistry homework help.

Physical Measurement Laboratory Homepage

Our periodic table has over 22000 facts covering all chemical elements and spanning more than 130 quantities. Each table entry has a full citation identifying its source. Our units and constants handbook features descriptions of the 384 units and 80...

This WebElements periodic table page contains Essential information for the element ununhexium

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...

Dictionary.com - the largest and most trusted free online dictionary. Instantly look up accurate and extensive definitions and word meanings, and hear audio pronunciations.

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...