Describes a class project to determine which environmental condition, such as light, heat, and type of basking substrate, would result in the least and most turtle basking behavior. (PR)

Describes how students in grades 2-8 can make beakers from quart-sized oil containers and calibrate them in milliliters. In an second activity, students estimate the volume of water in four jars and use their beakers to measure the water in each. The estimates are compared to the true measurements. (PR)

Describes a simulation of chemical reactions to help students understand factors that affect the rates of chemical reactions. (PR)

The demonstrations presented in this article relate to everyday life, address interdisciplinary aspects, and have implications for the life sciences. Topics of the demonstrations are electricity calculations, astronomy, electrolysis of water, ester synthesis from butyric acid and pentanol, catalysis, and minerals. (PR)

Presents samples of educational material adapted for laboratory use on the subject of the pH scale, dilution skills, and their relevance to biology. The experiments were developed for use in both ninth-grade heterogeneous and tracked classes in biology. Students were assessed for academic achievement in relation to their operational reasoning…

Presents methods and questions for discussion, activities, role plays, and assessment methods for helping students understand the importance of water conservation. (PR)

Describes activities to help students understand pH scales and acid rain. (PR)

The purposes of this paper are (1) to demonstrate that medical microbiology laboratory exercises should be presented with a focus on medical applications, not just traditional microbiology and (2) that exercises devoted to differential diagnostic decision making can be used to enhance the problem solving of students. (PR)

Describes a class activity of conducting a mock trial of a pretend situation of a white-tailed deep population creating problems for a town. Procedures, fact sheets, names, and descriptors of characters are provided. (PR)

Describes a three-week environmental minicourse in a general chemistry class. The minicourse consisted of two distinct phases, a one-week introduction to environmental chemistry and a two-week project involving a particular environmental problem. (PR)

Describes an activity that shows how understanding a modern coral reef environment helps predict the location of old subsurface reefs that may contain oil. (PR)

Describes how science fiction films can be used in science instruction. (PR)

Explores the interaction between scientific epistemological beliefs and learning orientations in a group of Taiwanese eighth-grade students. Suggests the importance of employing a constructivist philosophy in the classroom. Contains 55 references. (DDR)

Describes a demonstration of the principles of a voltaic cell using lemon cells to power a calculator and other items. A lemon fortified with a penny and a galvanized nail produces a potential of one volt. (PVD)

Interview and case-study techniques were used in an ethnographic-interpretive study of non-Western students. Findings indicate that in developing countries, enculturation into a Western school view involves an implicit devaluation of students' traditional world views which govern their village lifestyles. Concludes that a Western school view is of…