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Rediscovering Biology - Units

http://www.learner.org/courses/biology/units/index.html The links below will take you to the unit page for each of the thirteen units in the Rediscovering Biology series.

FHSSTChemistryCourse

http://www.curriki.org/xwiki/bin/view/Coll_siyavula/FHSSTChemistryCourse?bc= Description: This folder contains 10 chapters from the FHSST (Free High School Science Texts) textbook.
a reference text for General Chemistry

Chemistry Virtual Textbook

http://www.chem1.com/acad/webtext/virtualtextbook.html
This work by K12 Handhelds is licensed under a Creative Commons Attribution 3.0 Unported License . Fiction

K12 Open Ed - ebooks

http://k12opened.com/ebooks/#socials