Reviews three experiments which can be used to introduce microscale techniques. Highlights the benefits and advantages of having undergraduate students prepare and purify derivatives on the small scale. (ML)

Presents three demonstrations suitable for undergraduate chemistry classes. Focuses on experiments with calcium carbide, the induction by iron of the oxidation of iodide by dichromate, and the classical iodine clock reaction. (ML)

Presents a laboratory exercise that illustrates stoichiometry, limiting reagents, and proportionality. Highlights the safety and low cost factors of this exercise. Outlines procedures for the students. (ML)

Discusses the experiences of one student as she used her journal writing and the resources of a writing laboratory to adapt her expressive writing to the requirements of academic discourse. (RS)

Describes the implementation of a writing across the curriculum program at one university's writing center. Discusses solutions to counter the strains placed on the center by this additional program. (MM)

Describes a laboratory exercise in which a writer verbally directs a reader to assemble a seven-piece puzzle. Discusses how the exercise provides a test of communicative effectiveness, an illustration of the communication process, and an opportunity to examine assumptions that writers often make. (ARH)

Describes the Audio-Immersion language laboratory project, which made students responsible for their own progress in second-language acquisition and provided only marginal support as students learned to use the listening library consisting of a wide range of materials. (CB)

This description of the characteristics of scientific and technical information databases in France highlights database production and distribution across scientific fields regional distribution of producers, types of data included, recency of creation of databases, and users of databases. (4 references) (CLB)

Describes a project for junior high and senior high school students designed to safely preserve hard-bodied marine invertebrates. Details the materials and procedures used in this technique. Stresses the use of non-toxic solutions and producing a lifelike specimen. (CW)

Provides information appropriate for introductory lectures on photoelectric effects in membranes. Describes the apparatus and supplies required for laboratory exercises. Outlines typical laboratory exercises. Identifies the chromophores known to induce photoelectric effects. Concludes that this topic can provide useful subjects for undergraduate…

Contains the abstracts of five papers dealing with medical physiology curricula. Includes presentations dealing with the role of physiology in medical education, current perspectives of the curriculum, the role of student laboratories, the changing face of physiology, and future trends in physiology teaching. (TW)

Resistance probes for the laboratory can be divided into two main categories: (1) those involving direct use of resistance; and (2) those involving an indirect use of resistance. Described are several applications of both types related to chemistry and physics. (RH)

Illustrates the conditions (facilities, support staff, and faculty training) necessary for developing the technology-based teaching of languages and the sophisticated use of computers and video and audio equipment, including the type of environment which provides access to materials and information and opportunities for testing, publication, and…

Described are three chemistry demonstrations designed to be used with overhead projectors. One activity suggests an activity for determining unknown liquids. The second activity describes a plastic spot plate for overhead demonstrations. Also described is a demonstration to show pH of selected chemicals. (RH)

Answers questions and presents user survey results regarding the applicability and effectiveness of the Tandberg IS-10 learning laboratory system for foreign language instruction. (CB)