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Mims, Forrest M., III – Science Probe, 1991
Describes how to construct a simple pendulum seismometer. Includes schematic drawing of the electronic circuitry, a working drawing of the apparatus, and typical seismometer outputs caused by nearby trains and various earthquake-generated waves. (JJK)
Descriptors: Earthquakes, Enrichment Activities, Science Education, Science Projects
Mims, Forrest M., III – Science Probe, 1991
Provides the electronic circuit schematic for the construction of a green vegetation sensor, the directions for its use, and suggestions for student projects. (JJK)
Descriptors: Electronic Equipment, Enrichment Activities, Instrumentation, Plant Identification