fantasticly interesting chart about what people in different muslim countries think is appropriate dress for women in public. Could be used in 6th grade simply to show the differences between the items or also to discuss the issue.
AMAZING collection of video resources for kids. Lots of this is geard a bit more towards HS, but there are great world history music parodies, wacky US history "crash course" videos that re 10 minutes long and other traditional stuff.
fascinating Constitution article about whether police can ask questions, use it as evidence, or even threaten to withhold medical treatment of injured suspect to get information.