Inspired by a theoretical view of knowledge as a resource, this study explored in detail how a student used knowledge as a resource when she engaged in problem-solving about rocks and what she learned as a result of the practice of solving scientific problems. The context of the study was an inquiry project conducted in an earth science course for…

Introduction: This study concerns students' criteria in the evaluation of Internet sources for a school assignment requiring reflections on a controversial issue. The findings are elaborated by analysing students' discursive accounts in justifying the use or non-use of sources. Method: The interview data was collected in a Finnish upper secondary…