This educational resource explores the multifaceted impacts of the September 11, 2001 attacks, facilitating a deep analysis of historical, physical, biological, and geological aspects through various scientific disciplines. Students will examine the cultural shifts that occurred post-9/11, including changes in national security and public consciousness. The resource provides a timeline of the events on that day, a case study on the Great Boatlift, and an investigation into the physics of structural failure in relation to the collapse of the World Trade Center. It emphasizes the intersection of science, engineering, and societal response, encouraging students to reflect on the implications of these events in contemporary contexts, including advances in forensic science and engineering inspired by the disaster.