From the makers of the award winning Civic Quotes iPad app, Congressional Moments explores key legislation that still impacts our lives today, including child labor, civil rights, the SEC, the National Park Service, the Marshall Plan and womens suffrage. Learn about the difference between primary and secondary sources by taking the interactive quiz. Look closely in the gallery at a wide range of photographs and images ordered by topic and type. Watch videotaped statements by two leading National Council for the Social Studies (NCSS) teachers on how to get the most out of primary sources, and learn in the final section how to look at primary sources with a critical eye.