HEATKEYS

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...

Vocabulary.com helps you learn new words, play games that improve your vocabulary, and explore language.

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

Social Studies for Kids is a site with articles, subjects, and tons of links for all subjects of social studies, with a focus on what kids and their teachers/parents are learning.

Oxford Advanced Learner

Welcome to AudioEnglish.org: A huge collection of English-learning resources and online English courses with audio: Practical English, Accounting English, Telephone English, Online Dictionary and much more

Smart, fun, plain-spoken study guides and teacher resources. Digital textbooks by Ph.D. and Masters students from Stanford, Harvard, Berkeley

ushistory.org, created and hosted by the Independence Hall Association in Philadelphia. Colonial and Revolutionary history centered in Philadelphia, PA

You Found It! The WEB

Explore HISTORY shows, watch videos and full episodes, play games and access articles on historical topics at History.com.

Memidex is a free online dictionary and thesaurus with extensive cross-referencing, complete inflections, simple interface, and frequent updates. It