Experiment compares the effect of equilibration type training to the effects of S-R reinforcement type training in developing weight-conservation concepts in second and third grade pupils. S-R group performed significantly better than control group on initial posttest for conservation of weight. A measure for permanence of the conservation beliefs…

Describes the intellectual development stages ascribed to children by Jean Piaget. Characteristics and examples are given for sensori-motor, preoperational, concrete operational, and formal operational thinking periods. Implications are given for elementary school science education, including (1) formal instruction does not accelerate acquisition…

Reports five investigations of a research team learning approach with elementary and secondary level students. Findings show that children can do research, communicate, and learn from each other. Concludes that the procedure is an effective instructional approach at both levels. (JM)

Discusses causes of our ecological crisis and suggests that in order to overcome the crisis we have to sprinkle our teaching with a sense of wonder, impress upon the youth that there is nothing difficult or mysterious about the ecological viewpoint, give youth an awareness of the diversity of things in our environment, stress interrelationships…

Describes three methods (active, semi-active, and passive) carnivorous plants use to capture prey. Suggests taking students to bogs or botanical gardens to observe such plants. (JN)

Describes the plants and animals which inhabit a natural meadow. Includes a two-page, color drawing of such a meadow with a key indicating the flora and fauna illustrated. (JN)

Discusses experiences in teaching science in a Nepal village school. Includes comments on how science was refined and redefined to meet the needs of the Nepalese students and the need to make sense of science for all students. (JN)

Frequent spring showers provide many opportunities for rainy-day walks and playground activities. Examples of indoor and outdoor water-related activities are provided. Children could study ripples outdoors by dropping objects in puddles. Rain water could be collected in containers of various shapes and studied indoors, introducing students to…

Suggests using "fasteners" as the basis of activities for nursery and kindergarten children. Fasteners include those worn by children (buttons, zippers, belt buckles, shoe laces, and others) and those used in such areas as art. A "fastener walk" is also suggested to observe such fasteners as hinges, clothespins, and others. (JN)