Details an activity in which students use their natural inquisitiveness about their personal environment to investigate the composition of cigarette smoke. Includes techniques for measuring tar and carbon monoxide content. (DDR)

Argues for attitudes that will help nurture appreciation for the sciences in young children and stresses the importance of preparing youth to address global challenges in energy resources and conservation, to advance biochemistry and medicine, and to discover frontiers in space. (DDR)

Supports the approach for young children that allows them to perform actions on objects and observe the reactions. Describes some techniques to use to encourage an inquiry approach. (DDR)

Shares some strategies for encouraging students to notice their environment in the broadest sense through using the Socratic method. Focuses on specific examples with historical significance such as exploring the period of a pendulum. (DDR)

Discusses display gardens and their development by students. Presents guidelines for construction and size consideration and describes details of an outdoor garden, volcanic garden, and shoe box dioramas. (DDR)

Finds that two strategies led to significantly higher scores on a final exam in a communication course: reviewing the concepts delineated on the study guide, and silent reading of class notes. Finds in a second study that student motivation was positively related to public-speaking competence, but not to the demonstration of communication…

Describes a case study involving the reading development of an adult nonreader (a woman in her early fifties) and discusses this growth in comparison with children beginning to read. Discusses the student's background and her literacy development and progress. Notes similarities and differences to children's learning. (SR)

This special issue includes four articles that address issues concerning conceptual change. Topics include analogical reasoning and a case study of Johannes Kepler; conceptual change and wine expertise; the role of extreme case reasoning in instruction for conceptual change; and dynamic science assessment: a new approach for investigating…

Describes a study in which teaching and learning activities are designed using a cognitive conflict strategy. Focuses on the effectiveness of these activities in classroom research in pre-university courses in Botswana and South Africa. Contains 39 references. (DDR)

Considers the place of information technology in biological education and addresses some of the obstacles to its greater use as well as potential benefits. Offers a rationale which asserts the role of the teacher as the architect of learning experiences. Contains 25 references. (DDR)

Finds recent brain research sheds light on roles played by a positive affective environment and the interactive use of language in teaching the learning process through content area classes. Implements these ideas over a 10-month period in a ninth-grade classroom. Compares program students to other ninth graders on measures of metacognitive…

Describes the National ADC0804, an inexpensive and readily available integrated ADC converter that can convert an analog voltage to an 8-bit signal. Includes schematic drawings. (DDR)

Presents three science activities: (1) Pizza Quadrants, a tool for estimating population size; (2) Ion Models, to assist students in understanding how to balance equations; and (3) Endangered Species Project, an interdisciplinary unit. (DDR)

Rates 23 films by their mathematics content. Includes a synopsis of each film with an explanation of the depth of mathematics content. Also includes general film rating. (DDR)

Highlights the 15th anniversary year of Newton's Apple, a hands-on science television program. Includes availability information for curriculum guides and other resources. (DDR)