Crustal Evolution Education Project (CEEP) were designed to: (1) provide students-with the methods and results of continuing investigations into the composition, history, and processes of the earths crust and the application of this knowledge to man's activities and (2) to be used by.teachers with little or.no previous background in the modern theories of sea-floor spreading, continentl,ldrift, and plate tectonics. Each module consists of two booklets: a teacher's guide and student investigation. The teacher's guide contains all'of the information present in the student investigation booklet as well as: (1) a general introduction; (2) prerequisite student background; (3) objectives; (4) list.of required' materials; ...