Abstract
After a short introduction to the Italian context relating to science teachers’ training and updating course we explain the motives that led us to produce educational material based on interactive methodologies (role‐playing) and to present it to in‐service teachers during updating courses. The role‐playing activities that we prepared draw from specific historical and geographical situations in order to face the problems of global environmental issues, such as, for example, water resources management, waste‐disposal, reforestation techniques. Some observations on the didactic effect of our proposals and on the importance of encouraging a change in the teachers’ way of thinking are presented. The latter is a prerequisite for a correct use of the educational material supplied. This means introducing a problematic concept of scientific knowledge and stimulating new attitudes to establish less hierarchic inter‐relations in class.

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