National Geographic http://www.nationalgeographic.com/kids/
White House for Kids http://www.whitehouse.gov/kids/whlife/index.html
Matter-Properties and Characteristics http://www.bbc.co.uk/schools/scienceclips/ages/7_8/characteristics_materials.shtml
Matter-Changes in States http://www.bbc.co.uk/schools/scienceclips/ages/9_10/changing_state.shtml
Houghton Mifflin Social Studies - Our State http://www.eduplace.com/kids/socsci/ga/books/bkb/