A robust knowledge of physics entails deeply understanding electricity concepts such as conductivity and resistance. Understanding how circuits work is also critical for ensuring the safe use of electrical technology such as car batteries and downed powerlines. Curricular materials covering these content ideas are readily available for teachers.…

This article introduces students to the world of digital microscopy. Looking at small objects through a digital microscope is like traveling through a foreign country for the first time. The experience is new, engaging, and exciting. A handheld digital microscope is an essential tool in a 21st century teacher's toolkit and the perfect tool to…

Geometry and a hand-held calculator are used to find a value of pi accurate to five decimal places. (CP)

Second and concluding part of a series on language laboratories. Part I appeared in Canadian Modern Language Review," v26 n2 (Jan 1970). (DS)

Games have become an integral part of many science classrooms. This article describes an electronic game box built by a seventh grade class for use with an adopted version of a television game show. Included are a list of materials, a schematic diagram, and photographs of the completed game box. (MA)

Activities are suggested for using the hand calculator as a complement to any mathematics program. The activities focus on developing skills for using the calculator, exploring basic arithmetic operations, understanding algorithms, mental calculation and estimation, and problem solving. (DT)

Three questions were addressed in a Navy experiment in which subjects followed instructions to complete tasks involving several pieces of electronic equipment. First, two instructional formats were compared; a hierarchical menu format containing natural chunks of instruction was not superior overall to a simple step-by-step instructional format.…

The author describes several teaching aids and techniques to help blind and partially sighted students understand electronics, specifically devices (with availability) he has found effective in preparing a blind student for a ham radio license: an audital multimeter, raised line drawings, Opticon, braille texts, and Speech Pulse Calculator. (MF)

Discusses the abundance of electronic equipment available for use in second-language instruction in contrast to the shortage of courseware available. The lack of courseware is attributed to teacher resistance to and fear of technology and the lack of institutional support for teachers to design courseware. (LMO)

Presents guidelines to appropriate keyboarding instruction in elementary schools. Topics addressed include whether keyboarding should be taught, where keyboarding fits within the curriculum, instruction time, instructional materials, equipment, furniture, teacher qualifications, teaching methods, student performance evaluation, and grading.…

Discusses a device that enables computer images to be projected using an overhead projector. Describes possible uses for the liquid crystal displays (LCD) along with its advantages and disadvantages. Provides several suggestions for purchasing an LCD. (MVL)

AN INSTITUTE TRAINING PROGRAM WAS DEVELOPED TO AID IN TEACHING METHODS AND CURRICULUMS DEVELOPMENT IN BUSINESS DATA PROCESSING. THIS PROGRAM OFFERED RETRAINING FOR 17 TEACHERS DURING AN 8-WEEK PERIOD. FURTHER DEVELOPMENT WAS INCLUDED FOR COURSE MATERIAL TO USE AS PATTERNS AND GUIDELINES FOR FUTURE PROGRAMS. CLASS OUTLINES WERE DEVELOPED TO BE USED…