The purpose of this study was to determine if college students could benefit from the use of visual and manipulative aids while studying a mathematical topic. A sample of 33 freshmen were pretested for mathematical ability, divided into ability levels by means of ACT composite scores, and randomly assigned to one of three treatment groups for a…

The importance of soil, its use and suitability for agriculture and building construction, and the need for and value of soil surveys are emphasized in this pamphlet. It serves as the script for a set of color slides and filmstrip produced by the Soil Conservation Service, U.S. Department of Agriculture. Each of the 73 frames is illustrated with…

Audiovisual teaching aids for economics and for general physical and economic geography, that may be bought or rented from suppliers in Britain, are listed in this 180-page catalog. Audiovisual materials available include films, filmstrips, slides, overhead projector transparencies, wallsheets, prints, records, tapes and teaching kits. Each…

Describes ways that students can construct molecular models from fishing-tackle materials. (MLH)

Visual devices were used, corresponding to Bruner's three types of information-processing models: enactive (action), iconic (imagery), and symbolic (language). Concluded that the type of visual device had no significant effect on the subjects' achievement on an electrostatics concepts test. (MLH)

Describes an inexpensive, easily constructed model of the right-handed alpha-helix, consisting of cardboard, plastic tubing and a wooden support. (MLH)

Preparing poster-sized organizational charts forces students and reporters to develop detailed familiarity with their assigned news beats. (RL)

Introduces a pictorial, intuitive approach that allows the teaching of thermodynamics equilibrium in an introductory college physics course. (GA)

For sociology instructors whose students wish to integrate visual images into class projects, the article discusses advantages and disadvantages of various camera formats, presentational formats, and relationships between the two. (Author/AV)

Sixteen examples are given of bulletin boards developed by student teachers for elementary and secondary level French classrooms. (AM)

The seven base units of the metric system, the two supplemental units, and a few of the most commonly used derived units are listed along with their symbols and, in most cases, suggestions for visual aids. (MN)

Describes duplicating black and white transparencies inexpensively into color, using diazochrome film. (SL)

Describes a presentation of lyric poetry in English (as a foreign language) classes, using filmstrips and a daylight projector. The aim is to develop a procedure for interpretation. The article shows how one can examine the various "strata" of a poem, differentiating according to intrinsic and extrinsic structures. (Text is in German.) (IFS/WGA)

Advocates the use, in the classroom, of a photograph of the planet Earth taken from space. Sees it as a powerful symbol for a unified world and its presence in the classroom as providing an expanded awareness of the unitary nature of the students' global home: one planet, populated by one human family. (KS)

Research on protocol materials (PMs) for teacher preparation is discussed. PMs are audio, visual, and/or written records of some important classroom- and school-related events accompanied by theoretical knowledge that illuminates the event. Incorporation of PMs into teacher education needs to be researched further. (TJH)