Presents (1) a computer program which combines three readability formulas; (2) an investigation on the comparability of A-level physics grades; and (3) a study in specialized work experience. (JN)

Content, readability, safety aspects, appearance, technique, effectiveness of experiments, enrichment exercises, teacher aids, and special features of 12 physics laboratory manuals are reported and compared. (JN)

Discusses use of a tangential gun to obtain a value for the specific electronic charge e/m. The method is the one advocated by the tube suppliers, though some suggested variations may appeal to teachers anxious to train their students in thinking along lines that are both scientifically correct and practically desirable. (JN)

If a ball were given an initial velocity in excess of its terminal velocity, would the upward force of air resistance (a function of velocity) be greater than the downward force of gravity and thus push the ball back upwards? An answer to this question is provided. (JN)

Discusses the physics principles applied to the main steps of the photocopying process. Of particular interest (and at the heart of the process) are the ways in which electric charges, or particles carrying charges, are caused to transfer from one surface or medium to another at each stage. (JN)

Provides a brief history of the International Physics Competition (IPC). IPC rules, aims, organization, participants, leaders, finance, language, duration, international jury, problems, evaluation, prizes, and organizers' responsibilities are discussed. Typical problems used and problem solving methods are also discussed. (JN)

Describes (1) oil slick interference rings in the laboratory; (2) cracking of glass by impact; (3) multipurpose prism for refractometry and light path demonstrations; and (4) determination of liquid densities and volumes of solid bodies by the reaction force on a vessel. Procedures used and equipment needed are discussed. (JN)

Traces the development of thermodynamics in physics, focusing on a strategy which enables students to grasp in a limited time and by means of simple calculus the main implications of the second law essential for everyday life (understanding operation of heat engines, refrigerators, heat pumps, district heating, and energy degradation). (JN)

Determined whether secondary science teachers (55 males and 25 females) displayed sex bias in their subjective evaluations of students' written work. Preliminary results revealed that both male and female teachers tended to differentiate between the work of boys and girls in similar ways. (JN)

Human biology is a school subject whose utilitarian/pedagogical traditions enjoy support at the School Certificate level but whose academic tradition is under threat at the General Certificate of Education level. An interpretation of the issues involved are discussed in terms of the subject's historical background. (JN)

Describes a student project in which paper planes were designed and flown to investigate the effect of the wing area to mass ratio on aircraft performance. (GS)

Describes the construction and use of two pieces of equipment for teaching materials related to the propagation of an electric field and the parallel plate capacitor. (GS)

Reports on a study designed to ascertain the proportion of children at different Piagetian stages of development in the general population, in selective schools, and in super-selective schools. Advocates the use of developmental data in curriculum development work. (GS)

Described is a program developed and used by two teachers to individualize instruction and overcome student apathy in their biology classes. A book, "An Approach to Teaching Biology, Student Guide to Learning," was developed to supplement the textbooks used. The physical rearrangement of the classroom was also considered imperative. (EB)

Describes the development and provides an example of the type of student investigation that is now considered sufficient for the practical part of the 'A' level physics examination. (GS)