We use the framework of cognitive resources to investigate how students construct understanding of a complex physics topic, namely, a photovoltaic cell. By observing students as they learn about how a solar cell functions, we identified over 60 distinct resources that learners may activate while thinking about photovoltaic cells. We classify these…

This article describes a system of analysis aimed at characterizing students' scientific explanations. Science education literature and reform documents have been highlighting the importance of scientific explanations for students' conceptual understanding and for their understanding of the nature of scientific knowledge. Nevertheless, and despite…

While the socio-ecological challenges of the Anthropocene are complex and interdisciplinary in nature, contemporary science is profoundly implicated in understanding and responding to them. The latest Organisation for Economic Cooperation and Development (OECD) Programme for International Student Development (PISA) 2025 Science Framework has…

Examines both theoretical and practical perspectives on conceptual exchange--exchanging a student's entrenched view on a scientific topic for one based on actual scientific perspective. Endorses the conceptual-mediation model based on interference theory for changing an established view. (AIM)

Addresses the implementation and evaluation of a constructivist course and extends the argument toward the induction of teachers into critical constructivism through their own action-research projects. Data is taken from a single case study illustrating the changes in the professional life and reflective practice of one teacher in Brazil. (AIM)