Purpose of this study is to determine cognitive structures, conceptual knowledge and misconceptions of the 8th grade students concerning concepts of citizenship through a word association test. In direction of this purpose, a word association test consisting of democracy, sovereignty, independency, freedom, right and responsibility concepts have…

Following up on the effects of learning environments is essential to learning. The aim of this study was to examine students' mental models related to the concepts of expansion and contraction of materials. The population of the case study consisted of 155 students in a city center in Turkey. The data was gathered using open-ended questions that…

This article is concerned with "commonsense science knowledge", the informally gained knowledge of the natural world that students possess prior to formal instruction in a scientific discipline. Although commonsense science has been the focus of substantial study for more than two decades, there are still profound disagreements about its nature…