Discussed are ways in which the slide rule can illustrate a number of mathematical functions and concepts. Fundamental operations and visual advantages are reviewed. (CS)

Contains ten basic teaching principles formulated from the author's past experiences. Each of the principles is illustrated by relevant observations in order to increase understanding and aid application. The author states that use of these principles will increase teaching success. (SMB)

Describes how teachers may use photography to increase students' understanding of "point of view" and to refine students' writing skills. (DD)

Ideas are suggested for teaching phonology in the early stages of language learning so that the student progresses without experiencing great frustration. Ideas presented include relating information to students' experience in other areas, and using visual charts to help explain phonological rules. (GLR)

A study analyzed the relation of four information presentation methods--text, tabular, black-and-white graphics, and color graphics--to level of retention, reader reaction, and reading time. Results confirmed that the incorporation of color graphics in a document increases psychological reaction, but does not necessarily improve task performance.…

Foreign-language teachers can use everyday objects as visual aids to help enliven beginning-level language courses and teach students useful vocabulary. Describes visual aids and techniques used in a university-level review class in first-year Spanish. (MDM)

Proposes an alternative approach to locating the image formed by a lens. Two special rays are used to locate the image, then a number of other rays are drawn in to indicate that light from the object passes through every part of the lens. (MVL)

Described is a baton that consists of an unbreakable transparent tube with three inserted light-emitting diodes (LED) and terminal impact buffers that hold batteries and counterweights. The concepts of projectile motion and parabolic paths can be shown by analyzing the path of a thrown baton. (KR)

Two computer-generated star charts that can be used as overlay transparencies to show an expanding universe are presented. Directions on how to use the star charts to determine the Hubble constant and the age of the universe are provided. (KR)

Visual representations are essential for communicating ideas in the science classroom; however, the design of such representations is not always beneficial for learners. This paper presents instructional design considerations providing empirical evidence and integrating theoretical concepts related to cognitive load. Learners have a limited…

This article describes the use of poster preparation and display as an assessment tool and includes feedback from the students and academics concerned. This alternative approach has been used for four years since 2000 for biological science students studying biochemistry. The object of this approach was to get away from traditional teaching…

This article outlines the methods developed to engage in a detailed investigation of video footage of piano teaching, involving advanced students in both one-to-one and small-group settings. The paper presents the research to date in the field of musical instrument teaching, considers various challenges associated with video footage analysis, and…

Interviews with fourth grade students about their writing in science revealed their perspectives on purposes for writing, understandings of intended audiences, and use of visuals. A discussion of these themes is situated in a consideration of theory and research on genre. The article includes suggestions for teachers related to the teaching of…