Discusses alternative perspectives on nature of knowledge and psychological development, relating these to science instruction. Indicates that significant learning occurs if facts have personal relevance, suggesting that a cultural transmission approach to teaching/knowledge dominates science education which neglects the role of students' personal…

Investigated primary school children's scientific understanding and the conceptual change that occurs when using an interactive approach to teaching science. Discourse analysis of classroom conversations indicated three different types of teacher-child and child-child interactions. (Contains 53 references.) (MDH)