A fun and informative game that teaches students about the basic tenets of Federalism, and what powers are delegated to the states and the federal government

This is a massive trove of free resources and information, based on the standards for the Massachusetts History Curriculum. It was created and is maintained by Bob Maloy of UMass Amherst and various students in the school of education.

A good article with lots of information and graphics. Great for introducing students to the concept of gerrymandering!