Physical and Earth Science AB, a required senior high school course in the Los Angeles Unified School District, uses an investigative approach for developing scientific understanding and attitudes for students. Contents include: (1) summary of representative objectives; (2) teacher responsibilities; (3) the agenda; (4) guidelines for assignment of homework; (5) how to use this outline; (6) time schedule and sequence of units; (7) required skills and concepts (containing the objectives, content outlines and continuum skills for 10 units of study); (8) teacher-directed instructional sequences (providing 10 sample lessons with activities); (9) teaching strategies; (10) categories of thinking and suggested verbs for use in stating cognitive outcomes; (11) evaluation procedures; and (12) tips for parents. Appendices consist of the answer key and scoring and testing procedures for the classroom test of formal operations, a list of resources, and the secondary science continuum for the Los Angeles Unified School District. (ML)