Presents sample laboratory activities designed for use in astronomy teaching, including naked eye observations, instrument construction, student projects, and cloudy weather activities. Appended are bibliographies of journal articles and reference books and lists of films, laboratory manuals, and distributors of apparatus and teaching aids. (CC)

Ten ideas that have been tried out by the authors in schools are presented for biology teachers. The areas covered include genetics, dispersal of seeds, habituation in earthworms, respiration, sensory neurons, fats and oils. A reading list is provided. (PS)

Thirteen ideas are presented that may be of use to chemistry teachers. Topics covered include vitamin C, industrial chemistry, electrical conductivity, electrolysis, alkali metals, vibration modes infra-red, dynamic equilibrium, and some new demonstrations in gaseous combinations. (PS)

In an investigation of the effects of praise, negative comment and no comment on expository compositions of eleventh grade students, author hypothesized that praise might increase motivation more than criticism or no comment. He suggests an experiment to test this phypothesis. (NL)

The purpose of the research reported in this paper was to extend previous research on the relationship between organizational factors and retroactive inhibition in free recall. (Author)

Describes a laboratory practical on animal behavior suitable for senior secondary school or university biology classes. Several separate exercises relating to the house building behavior of caddis fly larvae are detailed, together with the time required for preparation. (JR)

Paper based on experiment 1 which was presented at the Thirteenth Annual Meeting of the Psychonomic Society, St. Louis, Mo., 1972. (RS)

Reports on an effort to teach poetry and not simply expose the student to it. (Editor)