States the philosophy behind the Harvard Project Physics (HPP) film program. Describes the three long HPP films. Lists the 48 color film loops covering six broad topics, primarily motion and energy. The 8-mm silent loops are synchronized with the text materials. Explains some of the pedagogical possibilities of these film loops. (RR)

Two computer programs are described, with the development and implementation of the first program described in some detail. This is a student-computer dialogue for beginning or intermediate physics classes entitled "A Computer-Based Dialogue for Deriving Energy Conservation for Motion in One-Dimension." A portion of the flowchart is included,…