Reports results of the meta-analysis of 130 research studies on effects of instructional systems used in science teaching. Studies coded gave rise to 341 effect sizes. Systems examined included audio-tutorial, computer-linked, individualized, and media-based instructional systems, personalized system of instruction, mastery learning, self-directed…

Determined: (1) if teachers who participated in "Science Teaching and Development of Reasoning" workshops felt they utilized workshop ideas in changing teaching style/methods; (2) if nature and extent of changes made were consistent with workshop intent/philosophy; and (3) factors teachers perceived as facilitating or hindering their…

Summarizes the evaluation of a 4-5 week science program for twelve- to thirteen-year old lower ability students. Includes a description of the program, techniques used in the evaluation, and a model for observing student activity during science instruction. (JN)

Describes activities, demonstrations, and materials suitable for middle school science, including investigations on solar energy, surface tension, exploding cottages, worms and light, airplanes, depolarizing simple cells, and the thermal expansion of metals. (JN)

Investigated relationship of teachers' cognitive levels and cognitive level demand of textbooks in relation to students capability to learn biology. Based on findings, teaching units were designed to help science teachers acquire skills, use innovative formats of instruction for abstract topics, and develop logical thinking skills through biology…

Provides lesson plans for grade 2 and grades 2-6 reading/language arts, grades 3-5 social studies, grades 4-6 reading/language arts/social studies, and grades 6-8 science/reading/language arts. Lists print and nonprint resources and discusses library media skills and subject area objectives, instructional roles, activities, procedures, evaluation,…

Describes an inquiry-based project on kinematics piloted at a rural middle school in 1996 by a Maine collaboration of university faculty, graduate students, and K-12 teachers. The group examines the new science standards, develops new curricula based on physics education research, helps middle-school teachers implement that curricula, and assesses…

This article is a review of the impact upon science learning of classroom and laboratory uses of computers in grades K-16 as revealed by published, peer-reviewed research from 1988-95. Highlights include problems with media-comparison studies, computer-assisted instruction, computer simulations, microcomputer-based laboratories, interactive video,…

Describes the process of problem-based learning (PBL), discusses the history of the movement, and analyzes the advantages and disadvantages of PBL. Explains the advantages of PBL in developing desirable attributes in biochemistry graduates which include being able to generalize, being able to interpret data, and possessing knowledge of relevant…

Provides five fully developed library media activities that are designed for use with specific curriculum units in dramatics, reading, language arts, science, and social studies. Library media skills, curriculum objectives, grade levels, resources, instructional roles, activities and procedures, evaluation, and follow-up are describes for each…

Reviews two chemistry software packages: (1) "Organic Reaction Chemistry" (organic chemistry, college level, Apple II); and (2) "Chemical Reactions, Reactions in Aqueous Solution, and Oxidation Reduction Reactions" (general chemistry, college level, IBM). (MVL)

Describes activities of the Educational Technology Center at Harvard University, which focus on the use of computers and other technology to improve K-12 instruction in science, mathematics, and computing. Topics discussed include curriculum development; students' prior conceptions; the construction of scientific knowledge; the use of software;…

Described are some of the factors that have influenced the introduction of instructional change into Black South African classrooms. The Science Education Project of the 1980s, teacher uncertainty, pupil expectations, the epistemology of science education, resources, and the image of innovation are discussed. (CW)

Reviewed are six software packages for Apple and/or IBM computers. Included are "Autograph,""The New Game Show,""Science Probe-Earth Science,""Pollution Patrol,""Investigating Plant Growth," and "AIDS: The Investigation." Discussed are the grade level, function, availability, cost, and hardware requirements of each. (CW)

Presented is a class activity that uses the database feature of the Appleworks program to create a database from which students may study endangered species. The use of a local zoo as a base of information about the animals is suggested. Procedures and follow-up activities are included. (CW)