Fifth Grade Social Studies Skills http://www.internet4classrooms.com/5thSocSt.htm
Social Studies Games & Activities (for various domains) http://classroom.jc-schools.net/basic/socst.html
50 States http://classroom.jc-schools.net/basic/socst50.html
Latitude and Longitude Game http://www.kidsgeo.com/geography-games/latitude-longitude-map-game.php
U.S. Geography Games http://www.sheppardsoftware.com/web_games.htm
America's Story from America's Library http://www.americaslibrary.gov/
Social Studies Worksheets and Games http://www.softschools.com/social_studies/
Social Studies Games http://classroom.jc-schools.net/basic/socst.html
GeoNet - Challenging Geography http://www.eduplace.com/geonet/
Social Studies Learning Games for Kids http://www.learninggamesforkids.com/social_studies_games.html
Place the State - Map Skills http://www.sheppardsoftware.com/states_experiment_drag-drop_Intermed_State15s_500.html
Fun State Facts http://factfinder.census.gov/home/en/kids/funfacts/funfacts.html
US Census Bureau - State Facts for Kids http://www.census.gov/schools/facts/
A to Z Kids Stuff - US States http://www.atozkidsstuff.com/states.html
Enchanted Learning - US States http://www.enchantedlearning.com/usa/states/
Info Please - US State Facts http://www.infoplease.com/states.html
Stately Knowledge - Cool US State Facts http://www.ipl.org/div/stateknow/
State Websites for Kids http://www.kids.gov/k_5/k_5_states.shtml
U.S. State Reports for Projects http://www.classbrain.com/artstate/publish/