Presents teaching ideas on Avogadro's number, lead, and lead poisoning. (SL)

Compares two national studies: (1) the survey of science education for secondary schools conducted by the Education Research Information Center (ERIC) in 1970-1971; and (2) the survey conducted by the National Center for Education Statistics (NCES) in 1972-1973. (HM)

Reports on a study of the $123 million Science Facilities Program of the Australian government to improve science facilities in secondary schools. (SL)

Presents a secondary level chemistry curriculum based upon the fluorocarbon-ozone depletion model. (SL)

Describes an approach for deriving expressions for thermal conductivity and dynamic viscosity which does not consider the net flow of energy or momentum across a plane. (SL)

Discusses perceived difficulty of subjects and the comparison of standards of the examinations in different subjects. (SL)

Presents the first of a series of papers discussing the major features and underlying philosophies of general college chemistry. This first paper reviews secondary level course content as well as college level general chemistry curricula. (SL)

Presents seven topics suitable for a secondary level introduction to geochemistry. (SL)

Reports results of a 1976 survey of the characteristics of secondary level physics teachers in Germany. (SL)

Describes an exercise in measuring gravity with and without a falling object for a time reference. (SL)

Presents the fourth part of interviews with award winning secondary physics teachers concerning their teaching methods and philosophies. (SL)

Predicts the effects of today's secondary science education curriculum on the competencies of students who have experienced it. (JG)

Discusses the instruction of lens optics, object and image distances, radius of curvatures, and indexes of refraction. (SL)

Describes physics experiments and demonstrations on the measurement of electrostatic fields. (SL)

Argues that the concept of special creation deserves fair and equal treatment as opposed to evolution as a viable, competing scientific model of origins. Cites findings from archaeology, geology and other sciences to support the claims. (CP)