Describes a pattern of failure to apply relevant scientific principles among pupils. Tenth grade Israeli students were tested and later interviewed in order to determine areas of knowledge in which there was some question concerning knowledge of scientific principles. Suggests that teachers must involve the pupils in situations in which erroneous…

Students frequently misconceive the process of problem-solving, expecting the linear process required for solving an exercise, rather than the convoluted search process required to solve a genuine problem. In this paper we present an activity designed to foster in students realization and appreciation of the nature of the problem-solving process,…