Describes the Science Activity Teaching model, which incorporates five teacher managerial behaviors into a model with these subcomponents: focus activity, student instructions, student group activity, synthesizing, and evaluation. This plan provides for the development of fate control, language formation, and social skills. (CS)

Reports that young children in the pedestrian accident prone age range of four-eight years hold a variety of naive conceptions regarding speed. Proposes a primary science unit using a conceptual change approach. (MVL)