Includes ten topics relating to laboratory activities, experimental procedures, and teaching materials suitable for secondary school physics classes. (JR)

Describes the content and organization of a laboratory session in which student teams work on the organs, tissues, and parasites of a pithed frog. The procedure maximizes participation by every student, makes possible the fullest use of each frog, and permits a rather broad study in a limited time. (JR)

The question of whether modern experiments are limited by the uncertainty principle or by the instruments used to perform the experiments is discussed. Several key experiments show that the instruments limit our knowledge and the principle remains of strictly academic concern. (DF)

Describes four projects to help pupils become more effective and efficient researchers, a skill they will use now as well as in high school, college and adult life. (Author/NL)

Instructional uses of paper are described. Some of these include tensile strength, water absorbtion, fish study, functioning of eye lenses, and flotation. (PS)

Presents an annotated list of 13 programs which are used to discuss such physical aspects as trajectories, refraction indices, equipotential lines, force fields, computer plots, kinematics applications, Fermat's principle, and measurements of electricity and magnetism knowledge. (CC)

Elementary Science Study (ESS) materials provide ample opportunities for inquiry teaching in large number of content areas. List of some units is given with brief description of the scope of activities therein. (PS)

Includes summaries of six articles dealing with engineering education, population management, blood sampling, international pollution control, environmental quality index, and scientific phases in political science. (CC)

Twelve new chemistry expermiments are described. Broad areas covered include atomic structure, solubility, gaseous diffusion, endothermic reactions, alcohols, equilibrium, atomic volumes, and some improvised apparatus. (PS)

Illustrates the integration of mathematical skills and scientific concepts by calculating the amount of the earth's air and water available per person. (CP)