Here are some links for SOCIAL STUDIES topics.
http://bensguide.gpo.gov/flash/states_game2.html
http://www.pibmug.com/files/map_test.swf
http://www.win.org/library/matls/govdocs/kids.html
http://www.aaaknow.com/geog/geog-usa.htm#tpc272
http://www.msha.gov/KIDS/MINING.HTM
http://www.oxfam.org.uk/education/resources/mapping_our_world/
http://www.yourchildlearns.com/mappuzzle/us-puzzle.html
http://www.yourchildlearns.com/map-puzzles.htm
http://www.history.com/maps.do
http://www.kidsbank.com/the_story/penny/index.asp