Short articles describe techniques for stroboscopic photography of moving objects, mechanical and electronic demonstrations of beats at radio frequencies, simple apparatus for the determination of the specific heat of steam, and the measurement of electrostatic potential by a flame probe. (AL)

The first of two brief articles describes the programming of a traditional English Physics course for the Sixth Form; the second describes the activities and specimens used in an introductory exhibition'' in Nuffield Combined Science at one school. (AL)

Argues that killing animals in biology classes detracts from the true aim of biology teaching--the development of reverence for life. (AL)

Provides instructions for making several miniature substitutes for more expensive supplies and science equipment. (CP)

Stresses briefly the need for individuals' actions for controlling the environmental pollution. A number of projects are suggested for teachers to involve children in this area. Simulated discussion groups of sellers'' and consumers, use of pictures, onion juice, and a water filtration contest are a few of the sources used. (PS)