Risk assessment can be an effective pedagogical strategy for sexuality education. Objectives: After learning about the modes of transmission and prevention strategies of sexually transmitted infections (STIs), students engaged in this teaching technique will define sexual intercourse and sexual activity, assess the level of STI risk associated with eight sexual behaviors, and identify positive alternatives to each sexual behavior. Target Audience: This activity is designed for use with adolescents in high school and youth group settings, and it can be used in teacher preparation programs. (Contains 5 figures.)