Describes use of Tinker Toys in several moment of inertia laboratory experiments at the advanced high school or introductory college levels. Includes procedures to be followed, arrangements of the Tinker Toy parts during experiments, and typical student data obtained. (JM)

Macrolab (located at New Jersey Institute of Technology) develops devices, training models, and experiments for the scientific education of handicapped students. The construction and operation of a spectrophotometer for blind and visually impaired students are discussed. Construction details are available from authors. (JN)

The construction of a homemade Kelvin water-drop electrostatic generator is suggested as an activity for teacher workshops. Materials needed before the workshop and instructions (including a diagram) for preparing the generator are provided. Suggested questions to pique workshop group's curiosity are also provided. (JN)

A federal audit which began in June 1982 and should be completed by November is being conducted to determine possible extravagance, misuse, waste, fraud and abuse of laboratory equipment purchased on federal contracts and grants. A list of waste and abuse found mostly at industrial labs is included. (JN)

Outlines advantages derived from constructing and using a Projectable Basic Electronics Kit and provides: (1) list of components; (2) diagrams of 10 finished components (resistor; capacitor; diode; switch; bulb; transistor; meter; variable capacitor; coil; connecting terminal); and (3) diode and transistor activities. (JN)

Discusses theory of the rotating mirror, its use in measuring the velocity of the electrical signal in wires, and the velocity of light. Concludes with a description of the manometric flame apparatus developed for analyzing sound waves. (SK)

An Osmette A model 5002 automatic osmometer is used to characterize different drugs, diluents, and adulterants commonly encountered in samples of forensic interest, permitting rapid determinations with good reproducibility and use by large numbers of students with little training. Includes background information, procedures, and typical students…

Provides instructions for constructing a model of a working thermostat and suggests several student activities using the model. (DS)

Describes the planning and construction of an observatory and a planetarium for a secondary school astronomy class by a science teacher with help from the school and from the community. (DS)

Describes the construction and operation of a short Foucault pendulum, which indicates earth's rotation with less than 2 percent error. The pendulum is suitable for display either in a classroom or hallway. (SK)

Presents an experiment to illustrate mechanical resonance designed for use in lower division laboratories. The apparatus and procedure have been kept simple. The basic experiment yields measurements of amplitude versus driving frequency, but a fairly simple elaboration allows for measurements of phase lag as well. (Author/SK)

Describes how some experiments in physics can be presented in class using cheap materials. How to produce an electrostatic charge using a polythene bottle and how to make a tissue paper electroscope using a tin can are among the experiments described. (HM)

Describes an apparatus and procedure for conducting an undergraduate laboratory experiment to quantitatively study the Hall effect in a plasma. Includes background information on the Hall effect and rationale for conducting the experiment. (JN)

Describes the use of solar cookers in the science classroom. Includes instructions for construction of a solar cooker, an explanation of how solar cookers work, and a number of suggested activities. (DS)

Describes and evaluates the fabrication of an easily constructed and inexpensive stop-flow system using commercially available components. (CS)