Please be sure to preview all of these resources to ensure they are appropriate for the maturity level of YOUR students.
http://wtc.nist.gov/, for example, report NIST NCSTAR 1: Federal Building and Fire Safety Investigation of the World Trade Center Disaster: Final Report of the National Construction Safety Team on the Collapses of the World Trade Center Tower, figure 4-1, page 47
Local Heroes Complete Lesson from 9/11 Memorial&Museum
What happened on 9/11 Complete Lesson plan from 9/11 Memorial&Museum
PBS.org Lesson Plans
Songs
World Trade Center
The Man with the Red Bandana
America is Under Attack
Boatlift
United 93
The Pentagon
