This paper investigates whether and how primary school students improve their epistemic understanding about a particular aspect of the nature of inquiry (NOSI), namely, the 'non-linear nature of inquiry' through an explicit-reflective or implicit instruction. The sample consisted of 30 5th grade students, who were randomly divided into two groups:…

This case study focuses on teachers' professional development in NanoScience and nanoTechnology (NST). In the context of a Community of Learners (CoL), in-service teachers in collaboration with science education researchers, nanoscience researchers and experts from science museums, developed a teaching module. This module integrates NST topics…

The present study examines how the overall cognitive achievements in science of the younger children in a class where the students work in small multi-age groups are influenced by the number of older children in the groups. The context of the study was early-years education. The study has two parts: The first part involved classes attended by…