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| Science Activities | 2 |
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| Guerin, David A. | 1 |
| Hastings, R. B. | 1 |
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Peer reviewedHastings, R. B. – Science Activities, 1976
Descriptors: Electric Circuits, Electronics, Instructional Materials, Physics
Peer reviewedGuerin, David A. – Science Activities, 1978
Light-emitting diodes (LEDs) are described and three classroom experiments are given, one to prove the, low power requirements and efficiency of LEDs, an LED on-off detector circuit, and the third an LED photoelectric smoke detector. (BB)
Descriptors: Electric Circuits, Electricity, Electronics, Laboratory Procedures
