Science teaching and learning require knowledge about how learning takes place (cognition) and how learners interact with their surroundings (affective and sociocultural factors). The study reported on focussed on learning for understanding of Newton's second law of motion from a cognitive perspective that takes social factors into account. A…

Teachers at all levels are encouraged to use role-playing and simulation. Unfortunately, teachers usually overestimate role-playing's learning value and often ascribe too much power to simple simulation activities. Teachers use these methods mainly to change behavior (and values), not reinforce curriculum content. Sociodramas (scenes based on…

Although teachers at all levels are encouraged to use role-playing and simulation, they usually overestimate role-playing's learning value. Teachers use these methods mainly to change behavior (and values), not reinforce curriculum content. Sociodramas (scenes based on typical situations facing children) are more effective role-playing activities…

Describes an activity using a large balloon to help children understand that, even though the horizon appears to be flat, the Earth is, indeed, round. Uses a toy ship to reinforce evidence from the first part of the activity. Stresses the importance of confronting naive theories at an early age. (CW)

Examined is the situation in which pupils invent mathematics on their own and teachers' reactions to this situation. The assimilation of students' original ideas into correct mathematical concepts is discussed. (CW)

The 12th iteration of the International Conference on Educational Data Mining (EDM 2019) is organized under the auspices of the International Educational Data Mining Society in Montreal, Canada. The theme of this year's conference is EDM in Open-Ended Domains. As EDM has matured it has increasingly been applied to open-ended and ill-defined tasks…