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)

Various science experiments using ordinary bottles are discussed. (CP)

Provides a brief account of the discovery and theory of antimatter and describes several activities relevant to the study of antimatter on the secondary level. (MLH)

File folders can be used effectively to develop and retrieve information about animal classification systems. Animal characters are drawn separately on the front side of a file cover and holes are punched next to each character. (PS)

Article describes how study of weather can be made interesting in classrooms. Individual and group investigations for students are suggested. (PS)

Describes the construction of a battery-operated device which buzzes when a correct answer on a punched card is chosen. (CP)

Describes the Environmental Action Task activity, which may be used as a recreational game or an environmental perception experience, may be conducted indoors or out-of-doors, using weed stems (or spaghetti) and masking tape to construct a cantilever. Small groups of children work together to make the cantilever with the longest arm. Further…

Guinea pigs are presented as versatile classroom animals. Suggestions for animal behavior and genetics studies are given. Also included is information concerning sex determination and the breeding of guinea pigs, and hints on keeping these animals in the classroom. References and illustrations complete the article. (MA)

Describes how bottle collecting can be used for serious studies. The emphasis in the activity is on systematic exploration for bottles and identifying the period when the bottles were used. Bottles, one hundred or more years old, can be found in many junk yards. (PS)