Quantum mechanics (QM) has become part of many secondary school curricula. These curricula often do not include the mathematical tools for a formal, mathematical introduction of QM. QM therefore needs to be taught at a more conceptual level, but making secondary school students understand counterintuitive QM concepts without introducing…

The aim of this study was to explore how the design of this chemistry lesson for citizenship influences students' use of different perspectives in decision-making about 'the use and sale of laughing gas'. In this study, 'the use and sale of laughing gas among youth' was chosen as a socio-scientific issue. This chemistry lesson for citizenship was…

Process diagrams describe how a system functions (e.g. photosynthesis) and are an important type of representation in Biology education. In the present study, we examined students' learning activities while studying process diagrams, related to their resulting comprehension of these diagrams. Each student completed three learning tasks. Verbal…