Report shows tabular material regarding physics enrollment; kinds of programs; teacher numbers, qualifications, and experience; and availability of laboratories of physics classes, in Illinois in 1967 when a state-wide survey was taken. (BR)

Describes a variety of methods for enlivening biology teaching, including games, simulations, puzzles, debates, and unusual assignments. (EB)

Reviews research into the composition and structure of cell membranes. Describes four experiments, suitable for high school students, on the role of lipids in regulating diffusion across cell boundaries. Gives purpose and procedures for each experiment, laboratory data sheets, and the results of classroom trials of the experiments. (EB)

Discusses continental drift, sea floor spreading, evidence for these two geological phenomena, and how they were unified into a theory of plate tectonics. Also discusses three types of plate boundaries: (1) divergent junctions, (2) convergent junctions, and (3) shear junctions. (Author/JN)

Presents an introduction to the nature and types of colloids. The properties of the colloidal systems of paints and clay drilling muds are discussed. (CS)

Explores possibilities for adapting BSCS materials for use in Hong Kong schools, including discussion of major areas for revision, i.e., selection of local flora and fauna and establishment of a resource supply center for living materials and chemicals. (CS)

Describes the construction and purpose of stress patterns that are easily observed in the rear windows of most cars. Presents an explanation for why we are able to see these stress patterns. (ZWH)