Describes a chemistry demonstration on freezing point depression wherein students investigate the effects of adding various substances to ice water. Includes instructor information and a student activity sheet. (YDS)

Presents a 10-hour chemistry experiment using copper sulfate that has three steps: (1) purification of an ore containing copper sulfate and insoluble basic copper sulfates; (2) determination of the number of water molecules in hydrated copper sulfate; and (3) recovery of metallic copper from copper sulfate. (Author/YDS)

Points out the importance of the ability to apply knowledge in a problem-solving manner to real-life situations for biology students rather than possessing an exhaustive accumulation of facts. Describes a teaching approach that employs three-dimensional animal models to teach the student how to use deductive reasoning and critical analysis to…

Describes an activity comparing incandescent bulbs and LEDs powered by dc and ac voltage sources to illustrate properties of matter and the interactions of energy and matter. Includes both instructor information and student activity sheet. (Author/YDS)

Reports on a project designed to develop an inquiry-based approach to curriculum and instruction in a general chemistry course. Reports that a major objective, met in various ways, was to develop a laboratory curriculum that meshes intimately with lecture. (Author/MM)

Explains a three week laboratory experiment on the gel separation of peroxidase, which is the most well-known isozyme, from beans. Includes suggestions on the laboratory management. (Contains 13 references.) (YDS)

Describes a molecular biology laboratory in which students study the role of the enzyme polygalacturonase in the softening of tomatoes during ripening by developing their own hypotheses and designing their own experiments. (MM)

Explores how to create an optimal learning environment in all curriculum areas, particularly with old science labs. Discusses how educators are offering course material online and using technology to more efficiently deliver lectures and presentations and to create more computer-generated lab demonstrations. (GR)

Claims that in contrast to the view that attention to genre stifles creativity, genre theory offers useful possibilities for fostering student insight into the nature of academic writing. Argues that knowledge of genre helps students see writing as a social construction. (NH)

Presents a laboratory exercise designed to introduce students to the hemodynamic variables (heart rate, stroke volume, total peripheral resistance, and compliance) that alter arterial pressure. (Author/CCM)

Reports the critical shortage of qualified equipment technicians, especially in biomedical equipment. Cites the importance of encouraging careers in this field and describes a source of occupational information. (SK)

Examines rhetorical relationships among the student, the writing center, and the classroom teacher. Proposes a model in which the writing center and teaching faculty share the middle ground, and proposes a broader audience for student writers: the post-graduation profession. (SR)

Continues a discussion of critiquing peer tutoring groups by underscoring a typically unacknowledged component: the way in which an emphasis on "peerness" disguises the inherent aggression in tutoring relationships. Defines "peerness" as a complicated relation that involves power and aggression as well as equality. (SG)

Considers if reflection on practice would be effective as ongoing training of tutors. Discusses the designing of a series of guided reflection exercises and examines the impact. Finds that it is difficult to use guided reflection to foster more reflective thinking by tutors and to change basic tutoring approaches. (SG)

Presents a science activity that is a combination of guided-inquiry and open-inquiry in which students investigate crayfish. (YDS)