Light and Temperature Measurement with Audible and Digital Readout.

Coolidge, Arthur W., III; Amend, John R.

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ERIC Number: EJ096761

Record Type: CIJE

Publication Date: 1973

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Abstractor: N/A

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Light and Temperature Measurement with Audible and Digital Readout

Coolidge, Arthur W., III; Amend, John R.

South Australian Science Teachers Journal, 734, 37-42, Dec 73

Describes the application of an inexpensive relaxation oscillator circuit which uses a thermistor or a cadmium-sulfide photocell to affect the rate of an audio pulse output. It is especially well suited for qualitative and quantitative measurement of heat or light in classroom situations because of its clearly audible output. (Author/JR)

Descriptors: Electronic Equipment, Laboratory Equipment, Light, Measurement, Science Education, Science Equipment, Science Materials, Secondary School Science, Teacher Developed Materials, Temperature

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