This book for middle school science teachers is the second in a series of three safety books intended to offer positive options as they raise awareness of potential hazards in the science classroom. The book is written in narrative style and discusses safety concepts in the context of commonplace situations in real classrooms. Topics covered include: (1) basic rules for a safer science classroom; (2) promoting safety for every student; (3) equipping the lab for safety; (4) essentials of safe storage; (5) handling living organisms; (6) safer teaching in chemistry; (7) adventures in earth and space science; (8) physical science ideas; (9) field trips; (10) a potpourri of safety tips; and (11) ultimate teacher responsibility for classroom situations. (MVL)