This site provides student with plenty of resources to find answers for their homework. It has dictionaries, translation sites, pictures, encyclopedias, geography, museums, sounds, thesaurus, math, measurments, grammar and other useful sites.
This section of Yahoo! Kids provides homework help, videos, resources, and a dictionary & thesaurus to help kids learn and locate information. The site is very child friendly.
This is a visual thesaurus in which students can enter a word and immediately find dozens of synonyms...which then give even more. No longer will you have reports handed in with the same drab vocabulary. Encourage the use of this in your class!
Graph Words is a free visualization tool to explore English dictionary and thesaurus, helps you to search the meaning of words and other associated words.