A quantitative and inexpensive way to measure the rate of enzymatic reaction is provided. The effects of different pH levels on the reaction rate of an enzyme from yeast are investigated and the results graphed. Background information, a list of needed materials, directions for preparing solutions, procedure, and results and discussion are…

The advantages of using invertebrates in teaching physiological principles are discussed. The ability to illustrate with greater clarity physiological principles, the range and variety of physiological processes available for examination, and the unlimited possibilities for student research are topics of discussion. (KR)

Describes the writing lab of the Glenbrook, Illinois, School District. Discusses the transition time between the old and new teaching systems, and offers ways to optimize this time. (PRA)

Asserts that competency testing as part of a writing program does not have to be a liability to the writing center. Describes the situation at Boise State University, where the writing center helps the students to prepare for the competency exams. Discusses each exam and the process of helping the students. (PRA)

Asserts that the most ambitious goal of writing centers is to validate cultural differences while helping students who feel alienated to develop a critical consciousness toward their own place in the university and the wider mainstream culture. Argues that tutors must make special efforts to help students formulate arguments when they question…

Discusses how an art student with mild learning disabilities developed a technique (with her writing center tutor) of rewriting her papers in layers, both vertically and laterally, building her meaning like a painting. (PRA)

Argues for the importance of letting students bring their own literacy networks into the writing center. Describes the benefits of social and cultural interaction between students and their tutors. (PRA)

Four groups of 24 undergraduates each received the following instruction on logic circuits: (1) lab, then readings; (2) computer simulation, then readings; (3) readings, then lab; and (4) readings, then simulation. Results showed that advance exposure to experiential activity (lab or simulation) aided the learning of unfamiliar technical material…

Presents training program components for environmental consulting and testing positions: (1) preparation, (2) conducting the training, and (3) evaluating the training. (MCO)

Provides information about home drinking water treatment systems to address concerns about the safety and quality of drinking water. Discusses water testing, filtration, product options and selection, water testing resources, water treatment device guidelines, water analysis terminology, and laboratory selection. (MCO)

Considers how a writing center can become a place where nonnative writers can receive effective remediation and guidance. Explains how writing center personnel might be trained to deal skillfully with nonnative writers' concerns, including different rhetorical structures. (HB)

Compares native and nonnative speakers of English and the possible ramifications of these differences for the operations of writing centers. Reviews two recent books and their attempts to fill a need for helpful materials on linguistic diversity and the teaching of writing. (HB)

Describes an adventure-based initial tutor training program designed to promote effective teamwork and enhance organizational ability. Notes that an added advantage of the outdoor activity is that it renews the importance of principles that have always made writing centers effective by metaphorically echoing the mental challenges of writing…

The study of aerodynamics using a wind tunnel helps students develop an understanding of the basic scientific concepts of lift, drag, and stability and their applications. Directions for building a wind tunnel in the classroom and activities for using the tunnel are provided. (KR)

Investigates five writing centers from the viewpoint of English faculty. Describes these writing centers' history, the different concepts of their roles in community colleges and universities, their staffing, the politics of their structural organization and funding, the array of services they provide, and the direction of their development. (SR)