The approaches of "problem-based learning" and "writing to learn" are known for facilitating the apprehension of concepts and better retaining of knowledge. In educational research, concept maps are sometimes used to assess the learners' level of knowledge. In this paper, the main aim is to investigate the validity of concept…

Radiation is ever-present around us, yet there is still a lack of knowledge about radiation among the general population, especially when it comes to students. For this study, we measured the effectiveness of a lesson plan on radiation concepts that focused on ionising radiation and was supported by references and examples from the superhero…

Conceptual Change is a widely accepted theoretical framework for science education. Setting up successful learning and teaching arrangements in this framework necessarily entails including students´ preconceptions into the construction of those arrangements. In order to provide a basis for such arrangements this study investigated and explored…