Turn historical figures into Wanted Figures. This can especially effective if you have students take the point of view of one side of a war or battle. Why would the English put George Washington on a Wanted Poster?
Lesson Deli--Using Thinking Maps to teach students about the American Revolution. Quick post by The Pensive Sloth on how to use a graphic organizer (Brace Map) to help students understand the Declaration of Independence.
Online game "Branch-O-Mania" - Third Grade Civic/Government Understanding. [Standard: SS3CG1 - The student will explain the importance of the basic principles that provide the foundation of a republican form of government. B. Three branches in each.] This is an educational game for students to practice what they have learned about branches of the government.