Proposes a mechanistic model for development and evaluation of national elementary and secondary school science curricula. (JM)

Outlines the use of computer programs in modeling and simulation to provide a link between science and mathematics education. (GS)

Proposed is a plan for changing elementary school teachers' attitudes toward science. Persuading teachers, a mandate to teach science, and rewards for teachers involved in science curriculum development, the three steps in the model, are presented in some detail. Implementing the model is also discussed. (MNS)

Describes the experiences of six science teachers and a facilitator involved in an action research group in science, technology, and society (STS) education. Explores the genesis of an issues-based model and highlights applications of this model in a classroom context. Examines action research as a potential tool for professional development in…

Presents a practical model for planning and implementing a field trip as an integral part of the science curriculum. Reviews the literature related to the role of field trips in the learning process; describes the model; and provides an example implementing the learning cycle method. (Contains 17 references.) (MDH)

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)