I Spent quite a while on this, hope it helps with your homework Etc . .
Most Subjects!
www.bbc.co.uk/bitesize
Science
Chemistry
http://chemistry.about.com/od/homeworkhelp/ - Chemistry Online Study Resources
http://antoine.frostburg.edu/chem/se...glossary.shtml - General Chemistry Glossary
http://www.colorado.edu/physics/2000/index.pl?Type=TOC - Physics 2000 (It is Chemistry)
http://www.sparknotes.com/chemistry/ - Chemistry Study guide
http://www.webelements.com/ - WebElements (Has information about each element)
http://www.chemicalelements.com/ - ChemicalElements (Includes borh models and tons of information)
http://igcsechem.webs.com/ - Great for chemistry revision
Biology
http://www.angelfire.com/nv/biology/dictionary.html - Biology Glossary
http://www.biology-online.org/tutorials/home.htm - Biology Tutorials
http://www.biology.arizona.edu/cell_bio/cell_bio.html - The Biology Project: Cell Biology
http://www.sparknotes.com/biology/ - Biology Study Guides
Physics
http://www.physicsforums.com/ - Physics Forums
http://www.physics.uoguelph.ca/tutorials/tutorials.html - Physics Tutorials
http://www.physicsclassroom.com/Default2.html - The Physics Classroom
http://www.sparknotes.com/physics/ - Physics Study Guides
Foreign languages
Overall
http://www.freetranslation.com/ - Translation Services (Free and Paid: Medium Quality)
http://www.google.com/language_tools?hl=en - Google Language Tools (Medium Quality)
http://www.word2word.com/dic.html - Online Language Dictionaries and Translators
Spanish
http://www.studyspanish.com/tutorial.htm - Learn Spanish: A Free Online Grammar Tutorial
http://www.lingolex.com/spanish.htm - Learn Spanish
http://www.studyspanish.com/vocab/ - Learn Spanish: A Free Online Vocabulary Tutorial
http://iteslj.org/v/s/ - English-Spanish Vocabulary Quizzes
French
http://www.lingolex.com/french.htm - Learn French: Vocabulary lists
http://french.about.com/cs/begvocab/ - Beginning French Vocabulary
http://french.about.com/library/begi...egin_vocab.htm - French Vocabulary and Pronunciation for Beginners
http://iteslj.org/v/fr/ - English-French Vocabulary Quizzes
English (Grammar/Literature)
Grammar
http://webster.commnet.edu/grammar/ - Guide to Grammar and Writing
http://englishplus.com/grammar/ - Grammar Slammer--English Grammar Resource
http://www.englishpage.com/ - Advanced English Lessons
http://www.englishforums.com/ - English Forums
http://jobsearchtech.about.com/od/le...l_b_letter.htm - Letter Writing Desk
http://www.snopes.com/ - Urban Legend Reference Pages
Literature
http://www.sparknotes.com/lit/ - Literature Study Guides
http://www.cliffsnotes.com/WileyCDA/...id-106145.html - CliffsNotes::All Titles
http://www.freebooknotes.com/ - Free Book Notes
http://www.bookrags.com/ - BookRags: free book notes, essays and literature study guides online
http://www.novelguide.com/ - Novel Guide - Novel Resource Guide and Literary Analysis
http://www.pinkmonkey.com/ - PinkMonkey
http://www.antistudy.com/ - AntiStudy
History
American History
http://search.eb.com/women/ - Women in American History
http://www.historyplace.com/unitedstates/revolution/ - The History Place
http://www.mce.k12tn.net/revolutiona...revolution.htm - The American Revolution
http://www.sparknotes.com/history/ - History Study Guides
www.historyonthenet.com - History Revision Site and referencing.
European History
http://www.sparknotes.com/history/ - History Study Guides: (Scroll Down)
http://europeanhistory.about.com/ - Early modern and modern European History
http://library.byu.edu/~rdh/eurodocs/ - Primary Historial Documents From Western Europe
http://www.multcolib.org/homework/eurohist.html - Homework Center - European History
http://www.academicinfo.net/histeuro.html - European History - Academic Info
Math
http://www.sparknotes.com/math/ - Math Study Guides (Extremely Useful)
http://www.ping.be/~ping1339/mathindex.htm - Math-tutorial Index
http://www.math.com/ - Math World (Extremely Useful: Covers just about anything)
http://www.mathpower.com/tutorial.htm - Math Homework Help
http://www.khanacademy.org/ (Maths focussed but branches out into all sorts including History and economics)
http://www.udacity.com/ (Actually a lot more Computer science than maths, but it covers stats and differential equations)
http://www.examsolutions.co.uk/ (Help for Maths Revision)
Economics
http://www.sparknotes.com/economics/ - Economics Study Guide
Psychology
http://www.sparknotes.com/psychology/ - Psychology Study Guides
Miscellaneous Links for homework or other reasons
http://www.dictionary.com/ - Online Dictionary
http://thesaurus.reference.com/ - Online Thesaurus
http://en.wikipedia.org/wiki/Main_Page - Free Online Encyclopedia
http://tutor2u.net/ - Business studies and other subjects
If you have any more links you wish to add, please post here and include the links
I hope these links helped you....
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