Dictionary & Thesaurus http://app.iln.net/db/dict/default.asp?
World Atlas http://www.worldatlas.com/
Paint by idioms. http://www.funbrain.com/idioms/
Idioms http://www.funbrain.com/idioms/
Grammar Gorillas http://www.funbrain.com/grammar/index.html
Vocabulary Games and Challenges at Vocabulary University http://www.vocabulary.com/
Spelling Test Web Site http://www.sentex.net/~mmcadams/spelling.html
On-Line Writing Lab (OWL) http://owl.english.purdue.edu/handouts/esl/esladjadv.html
Spell Check http://www.funbrain.com/spell/
Everyday Spelling http://www.everydayspelling.com/
Inventions http://www.gigglepotz.com/krc_inventions.htm
Inventors/Inventions http://edtech.kennesaw.edu/web/inventor.html