The study examines how social and cultural factors mediate the teaching and learning of science in an Australian high school. Grade 10 students, many of them new migrants, often transient and from circumstances of economic hardship, were taught a 5-week unit on chemistry by a teacher with social and cultural histories similar to those of most of…

This evaluation study investigated the effects of a teacher-centered versus student-centered computer-assisted instruction (CAI) on 10th graders' earth science student learning outcomes. This study also explored whether the effects of different forms of computer-assisted instruction (CAI) on student learning outcomes were influenced by student…

While logical reasoning skills are related to success in science, the relationship between thought and formal logic is not clear. Propositional Logic Test (PLT), error patterns of students' interpretations of logical proposition, and developmental patterns of the error type are described. Examined is the relationship between logical reasoning…

The tables, graphs, articles, and other sources of information in this document are designed to provide teachers with additional resources to supplement the unit "Motions and Collisions." The information is coordinated with the unit objectives specified in "Science 100, 101," the currently (1982) approved provincial guide for…

This study explores changes of the tenth-grade students' conceptions about acids and bases by using conceptual change text oriented instruction accompanied with analogies. Since conceptual change is viewed not only as a process of replacement of old concepts but also a process of learning to relate ideas to appropriate contexts, the instruction…

A survey was administered to 10th-grade regular biology students to diagnose the cause for low achievement on chapter tests. Survey results verified teacher suspicion that students did not read textbook assignments when designated as homework and, as a consequence, this deficiency contributed to low achievement scores. A treatment included…

Discusses the rationale for the new Soviet physics curriculum. Explains guidelines for teaching methodology. Details the goals and tasks for students in the Soviet physics curriculum for grades seven through eleven. (RKM)

This case study describes 1 teacher's implementation of a modified version of Glynn's Teaching-with-Analogies model with a grade-10 optics class on refraction of light. (PR)

The "Central Dogma" of genetics states that one gene, located in a DNA molecule, is ultimately translated into one protein. As important as this idea is, many teachers shy away from teaching the actual mechanism of gene translation, and many students find the concepts abstract and inaccessible. This article describes a unit, called Genetics…

THE RELATIVE EFFECTIVENESS OF EIGHT TYPES OF VISUAL ILLUSTRATION OF THE HUMAN HEART WAS TESTED IN NINTH THROUGH TWELFTH GRADE CLASSES. THE EIGHT TYPES--ABSTRACT LINE DRAWINGS, DETAILED SHADED DRAWINGS, PHOTOGRAPHS OF HEART MODELS, AND REALISTIC MODELS, EACH IN BLACK AND WHITE AND IN COLOR--AND A CONTROL PRESENTATION WITH NO ILLUSTRATIONS WERE…

The effects of classroom assessment environment (CAE) variables on yearly achievement in mathematics and science in grades 7 through 12 were studied through the Longitudinal Study of American Youth (LSAY), using cohorts of approximately 3,000 students each in the 7th and 10th grades who were followed for 4 years. While the LSAY did not include all…

Compares the effectiveness of an Extended Discretion (ED) laboratory approach (exercising independent judgment) to a BSCS Green Version laboratory program. Results from 10 classes taught by five teachers, each teaching one experimental and one control group, favor the ED approach on a number of measures. (Author/JN)

Describes a study that explored the effects of teacher-centered versus student-centered multimedia computer-assisted instruction on the science achievements of tenth-grade students in Taiwan. Results of analysis of covariance on pretests-posttest scores showed the teacher-centered approach was more effective in promoting students' science…

Examined is the effectiveness of a smoking-prevention program in modifying high school students' attitudes and values in such categories as health, peer pressure, and social image as related to smoking. The intervention lasted four to six weeks within the framework of ninth- and tenth-grade biology classes. (Author/YP)

The Gaining Early Awareness and Readiness for Undergraduate Program (GEAR UP) is designed to provide assistance to low income students. The program provides discretionary grants for the purpose of increasing the readiness of low income students to attend and succeed in postsecondary education. The grants are up to six years in length and provide…