This Web Seminar took place on April 11, 2011, from 6:30 p.m. to 8:00 p.m. Eastern Time. Presenting was Kristy Hill, an education specialist at Marshall Space Flight Center. In this Seminar, Ms. Hill talked about the activities and lessons related to the Design Challenge Teacher’s guide. She also gave some background on thrust structures used in the NASA rockets. For more information about this web seminar, its presenter(s), read what participants said about it, and to see and download its PowerPoint slides go here.