In almost any given day, one will stumble upon sounds that are out of the ordinary, distinct enough to capture one's attention. Ordinary sounds in a home are represented by the white-noise-like background created by speaking, moving around, household appliances running, and so forth. The out of the ordinary is the sparkling sound of a knife blade…

Analyzes trends in physics teaching represented by papers presented at American Association of Physics Teachers' annual meetings. Major topics examined for the period from summer 1971 through summer 1983 include: Piagetian studies; personalized system of instruction; media; energy and environment; astronomy; and computer-oriented topics. (JN)