Reasons for the development of middle schools and characteristics of middle school students are discussed. Students' physical, cognitive, social, and emotional development are considered, with references to research evidence. (MNS)

Reports research supporting the hypothesis that concrete-operational college students playing the game Master Mind with an observer where there is verbal interaction designed to stimulate thinking about the problem-solving situation will show greater cognitive growth than subjects not playing the game. Implications for science instruction are…

This article supports the learning theory and intellectual development model of Jean Piaget as a theory base for science education. (Author/MK)

The value of incorporating the haptic mode into the science curriculum and expanding "hands-on experience" to "total-body experience" are discussed. The pedagogical implications of the role of movement in cognitive development are described. (KR)

Described are pentonimoe activities which nurture a nonanxious attitude toward math and science, promote an atmosphere of cooperation, support development of problem-solving skills, and provide spatial-ability skill exercises. These activities can be used by students at all educational levels. (KR)

Describes three perspectives from which middle school teachers can plan laboratory activities for the purpose of improving students' scientific literacy. Perspectives are the learning cycle approach categorizing activities by stages of development; problem-solving skills approach categorizing activities according to the amount of teacher control;…