I came across this on my Google Reader from Jim Gates (who discovered it on his Twitter feed – the POWER of networking!)
I previewed the video and feel that it explains the events of 9/11 in a very respectful way that is suitable to elementary or middle school students. It might be a little too “elementary” for high school students though it could serve to provide background for a more advanced activity.
There are terrific background and extension resources that link to topics such as: the economic impact of 9/11, ongoing health concerns, Islam, airport security, and terrorism.
So, if you are looking for an activity to commemorate 9/11 be sure to check out this BrainPOP resource.