Discusses the flow characteristics of thixotropic and negative thixotropic fluids; various theories underlying the thixotropic behavior; and thixotropic phenomena exhibited in drilling muds, commercial paints, pastes, and greases. Inconsistencies in the terminology used to label time dependent effects are revealed. (CC)

Discusses concerns relating to the preparation of internal and external practical examinations in microbiology at the university degree or diploma level. Outlines the basic objectives, initial organization, and major considerations in preparing the laboratory examination. (JR)

Discusses the advantages of studying for a combined Science-with-Education degree, and argues that this degree will become widely accepted in British universities in the near future. (JR)

Describes a master's degree program for the preparation of community-college biology teachers which has been developed by the biology department at Eastern Michigan University in close cooperation with neighboring community colleges. (JR)

Discusses the design of a device which serves to demonstrate the principle of acceleration and phase stability by accelerating gravitationally a ball bearing along a spiral groove. Application of the design principle to the acceleration aspect of a linear accelerator is recommended. (CC)

Discusses the use of four strain gauges, a Wheatstone bridge, and an oscilloscope to measure forces dynamically. Included is an example of determining the centripetal force of a pendulum in a general physics laboratory. (CC)

Discusses an experiment which illustrates the non-mixing properties of water at normal temperature with oil because of water's strong, open-ended hydrogen bonding interactions. Examples of the mixing properties between non-interacting substances and the near-complete mixing between water and solvents with limited H-bonding capacity are also given.…

Reports the results of a study relating to the most appropriate secondary grade level to enroll in physics, the reliability of standardized achievement scores in algebra and physics as predictors of success in high school physics, and the similarities in background and achievement of college and secondary physics students. (JR)

Discusses the nature and structure of an interdisciplinary course with emphasis on the problem of how the nervous system receives, processes, and transmits information. Included is a description of the course teaching to junior and senior physics and biology majors. (CC)

Describes the offering of a physics course where a mixture of teaching techniques and a wide variety of phenomena associated with light are used to attract students majoring in art, art history, psychology, photography etc. Indicates that the course is characterized by its in-depth and non-mathematical nature. (CC)

Develops some guidelines for the integrated use of computers throughout a college biology department and determines when and how computers can best be used to enhance biological teaching. (JR)