Procedures for using soap films to determine the shortest series of lines connecting several points. (CP)

Reviews the objectives, curriculum, teaching,and evaluation methods of elementary science in Lebanon. Also discusses some of the problems of science teaching, which include the excessive reliance on authoritarian textbooks, the emphasis on rote-learning, the pressure exerted by official examinations on teachers and students, and the resistance of…

The Problem-Solving Skills Test" developed by the authors can be used to evaluate student abilities, regardless of what science programs the student has studied. Also, it can be used to evaluate whether the objectives of new elementary school science curricula have been attained. Major limitation is the lack of external criteria for determining…

Describes planning and implementation phases of the development of individualized and small group learning laboratory facilities for primary and intermediate grades in a new elementary school. Includes descriptions of teacher and student summer activities during design, selection and evaluation of general science instructional media and materials.…

Provides synoptic lesson plans, and detailed lists of resources, for a unit in primate behavior taught to students in grades 4-6. Comparisons with man are made wherever possible. (AL)