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Hale, D. P. – Physics Education, 1981
Describes the construction of an apparatus that demonstrates that electrostatic forces can be large and also gives some idea of dependence of electrostatic forces between charged parallel discs on potential differences and separation. (CS)
Descriptors: Demonstrations (Educational), Design, Physics, Science Education

Physics Education, 1981
Describes various procedures applicable to secondary school science classes, including: (1) constructing a centripetal accelerometer; (2) demonstrating weightlessness with a small scale apparatus employing a catapult; (3) teaching hexadecimal counting by using the fingers; (4) demonstrating oscillation and resonance in tuned circuits. (CS)
Descriptors: Demonstrations (Educational), Design, Physics, Science Education

Physics Teacher, 1980
Presents a demonstration of wave behavior, and experiments of (1) the determination of the mechanical equivalent of heat, and (2) a "discovery" investigation based on the maximum-span staircase. (CS)
Descriptors: Acoustics, Demonstrations (Educational), Heat, Physics
Lulashnyk, Lorne; Boonov, Janet – 1982
Since the major causes of accidents are carelessness and a negative or apathetic attitude towards safety, this guide was developed to facilitate safe, stimulating science laboratory activities by providing both general and specific safety information presented in 12 sections. Subject areas considered in these sections include: 1)…
Descriptors: Accident Prevention, Biology, Chemistry, Foreign Countries

School Science Review, 1981
Outlines several laboratory procedures and demonstrations including electric fields using sawdust, experiments with capacitors, particle spacing in a vapor and a liquid, metrology, momentum, Moire patterns and interference fringes, equipping for practical electronics, and using programmable calculators for rapid plotting of graphs. (DS)
Descriptors: College Science, Demonstrations (Educational), Higher Education, Laboratory Procedures