http://www.eol.org/        http://www.ipl.org/div/kidspace/ 

http://dictionary.factmonster.com/

http://www.merriam-webster.com/netdict.htm          

    www.rhymezone.com/ 

http://kids.yahoo.com/                 http://www.safesearchkids.com/safe-search.html

http://www.dibdabdoo.com/    http://sunsite.berkeley.edu/KidsClick!/

http://www.homeschoolsupersearch.net                            Wolfram|Alpha  http://www.wolframalpha.com/

 http://www.familyfriendlysites.com/