This document describes a programs designed to help students attain the scientific awareness needed to function as effective members of society. The Senior High Science Programs (Alberta, Canada) will focus on students learning the big interconnecting ideas and principles of science; place an increased emphasis on developing methods of inquiry that characterize the study of science; expect students to show an appreciation for the roles of science and technology in understanding nature; and maintain a life long interest in science. Discussions on the Biology 20/30, the Chemistry 20/30, and the Physics 20/30 programs are included. Each discussion includes key science concepts, learner expectations, program overviews, and course overviews. A basic resource checklist for each program is also included for the use of potential suppliers of instructional materials who have been invited to submit such materials for field testing. (KR)