Dictionary:

dictionary

Thesaurus:

http://thesaurus.reference.com/

Word of the Day:

http://www.wordquiz.com/

This day in history:

http://www.nytimes.com/learning/general/onthisday/index.html

Current Event of the Day:

http://www.nytimes.com/learning/students/quiz/index.html

Math quiz of the day:

http://www.mathpopquiz.com/

Science Fact of the Day:

http://www.nytimes.com/learning/students/scienceqa/index.html

Map Quiz of the Day:

http://www.mapquiz.com/

Explore Math:

http://www.explorelearning.com/

Learn Spanish:

http://www.studyspanish.com/freesite.htm

Learn Piano:

http://www.gopiano.com/

Learn Keyboarding:

http://www.mrkent.com/kb/keyboard.htm

Math Challenge:

http://mathforum.org/library/levels/middle/

Reading Comprehension:

http://www.readingcomprehensionconnection.com/

Learn French:

http://www.helio.org/education/french/

Exploratorium:

http://www.exploratorium.edu/

Factmonster:

http://www.factmonster.com/

Message to the future:

http://www.keo.org/uk/pages/default.html

Daily dose of the Web:

http://www.internet4classrooms.com/daily_dose.htm

Search engines:

http://www.google.com/

http://www.ask.com/

http://vivisimo.com/

http://www.clusty.com

ONLINE Math textbook

http://www.tn.math2.net