Sökning: "Astrid Bulte"
Hittade 2 avhandlingar innehållade orden Astrid Bulte.
1. Experiencing Molecular Processes : The Role of Representations for Students' Conceptual Understanding
Sammanfattning : Knowledge of molecular processes is crucial for fundamental understanding of the world and diverse technological applications. However, they cannot be clearly related to any directly experienced phenomena and may be very different from our intuitive expectations. LÄS MER
2. Redox models in chemistry : A depiction of the conceptions held by secondary school students of redox reactions
Sammanfattning : According to previous research, students show difficulties in learning redox reactions. By the historical development different redox models exist to explain redox reactions, the oxygen model, the hydrogen model, the electron model and the oxidation number model. LÄS MER
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