21 Charts That Explain How America is Changing

This set of charts would be an amazing resource for a government class as you could make the kids use them in many different parts of the year.  For example the one above looks at the changing mean of the two major political parties which you could couple with another chart on why people are moving West and South.  Or select the one which says we are getting a little less religious and ask your students if there are any political ramifications to that.  And on and on!