Entire Year Lessons/Overviews American History - UNITS, online & Support Materials Houghton-Mifflin- A More Perfect Union - 8th grade year  Crossroads K-16 History Curriculum Core Knowledge Units - American History Teaching American History Program History Channel Home Page National Archives and Records- Teaching with Documents Lesson Plans U.S. History Units American Memory, Lesson Plans Teacherlink Social Studies Lessons & Units For Kids Social Studies Skills Tutor America's Story: Library of Congress The Freedom Timeline Practice US History Tests (for grades 8th 10th, 11th)   Free American History Games Plus ... Library of Congress History Matters National Security Archive - Declassified Free American History Presentations Free Video Clips  Free Clip Art  All Rights Reserved    Clip Art Credit: Phillip Martin Have a great year!