Reports on an effort to replace power supplies in an electron charge lab with power supplies from personal computers. Details the process involved in updating the lab. (DDR)

A laboratory, project, and field experience matrix is used to identify achievement of learning outcomes in an engineering physics course that stresses teamwork and creativity in an interdisciplinary context. The interactive/experiential lab develops transferable skills for the technological workplace. (SK)

Discusses Online Writing Labs--World Wide Web sites designed to support students' writing efforts by providing easy access to electronic resources and online tutoring. Describes three types of these services: resource materials, online tutoring, and information gateways. (SR)

Discusses strategies to duplicate current research protocols using biochemical methods of analysis. Describes the use of the Silver Sequence kit that provides a technically simple and relatively inexpensive DNA sequencing exercise. (JRH)

Reports on the use of a technique that involves students in researching the hazardous properties of chemicals they are about to use. Students include this information in their lab reports focusing on product and company identification and hazards identification. (DDR)

Demonstrates the differences in protein structures by focusing on isoelectric point with an experiment that is observable under certain pH levels in gel electrophoresis. Explains the electrophoresis procedure and reports results of the experiments. (YDS)

Describes the open-ended investigative approach implemented in science laboratories and provides guidelines for how to run and supervise laboratory-based coursework for A-level students. Identifies suitable topics and explains the teacher's role, time management, and instructional strategies. (Author/YDS)

Introduces a brine shrimp assay to demonstrate the effects of the biological activity of herbal remedies. Describes two protocols, one using aqueous extracts and the other using methanol extracts. (Contains 21 references.) (YDS)

Compares two laboratory treatments: (1) Constructing and Applying the Concepts of Physics (CACP) which is guided-inquiry; and (2) Toys in Motion (TIM) which focuses on problem solving skills and design work. Discusses the two laboratory courses and assessment procedures. (YDS)

Describes a microbiology laboratory experiment in which students test their own microbial flora of Staphylococcus for antibiotic resistance. Provides directions on how to conduct the experiment. (YDS)

Presents a hands-on, investigative lab activity for use in an introductory zoology course. Tests the behavioral hypothesis that substrate texture affects earthworm locomotor ability. Provides background information on earthworm locomotion followed by details of the lab exercise. (NB)

Considers how the College Essay Program, a long-standing tradition in the North Salem Central School District, helps students prepare a written personal statement essay for needs such as college admission applications. Concludes that college essays are engaging personal statements, difficult to write down, that bring a human dimension to the…

Introduces a student activity that explains acid base reactions with a carbon dioxide reactant. Includes both instructor information and student activity sheet. (YDS)

Introduces a study investigating graduate teaching assistants' (GTA) perceptions on their role in conducting laboratories and explores the benefits of inquiry-based laboratories for GTAs considering their experiences and knowledge. (Contains 22 references.) (YDS)

Explores the dominant factor controlling the distribution of Daphnia. Describes components of a temperature gradient apparatus that can be assembled from materials readily obtainable in the laboratory and hardware stores. Investigates whether the mean depth of Daphnia is determined by temperature. (KHR)