The attacks of September 11, 2001, were a shocking and emotionally raw event that most adults, especially in the U.S., still have trouble comprehending . For children under 14, however, the events of that day are but a page of history, a modern-day Pearl Harbor.

Now, with the 10th anniversary of these attacks upon us, psychologists, educators and parents are thinking again about how best to teach children about the traumatic day and its aftermath--as well as the complicated threat of terrorism .