Here are good links for 50 STATES research.
http://www.teacheroz.com/states.htm
http://www.classbrain.com/artstate/publish/
http://library.thinkquest.org/5744/
http://geography.about.com/library/blank/blxusx.htm
http://bensguide.gpo.gov/3-5/state/index.html
http://www.loc.gov/folklife/roots/ac-home.html
http://www.statemaster.com/index.php
http://www.americaslibrary.gov/cgi-bin/page.cgi/es
http://www.mrsbogucki.com/cgi-bin/quiz.pl?FILE=states
http://cirrus.sprl.umich.edu/wxnet/states/states.html
http://www.geocities.com/Athens/Aegean/7013/statemottoes.htm
http://funschool.kaboose.com/globe-rider/games/game_united_states_puzzle.html?trnstl=1
http://www.statelocalgov.net/index.cfm
http://factfinder.census.gov/home/en/kids/funfacts/funfacts.html