The family life sex education unit for eighth graders, "The Years of Uncertainty," consists of a series of daily lesson plans that span a 29-day period of one-hour class sessions. Topics covered are: problem solving, knowledge and attitudes, male and female reproductive systems, conception, pregnancy, birth, birth defects, venereal disease, dating, peer group influence, emotions, values clarification, and decision making. Some teaching aids included are a human reproduction vocabulary pretest, a teaching test on syphilis and gonorrhea, a self-image checklist, and a values clarification chart. The resource list includes related books, magazine articles, films, and filmstrips. (EA)