Proposes a simple predictive model for multistep problems and compares the model's predictions with actual data. Examines mechanisms that may block the solution or lead to violation of the model. Contains 42 references. (DDR)

This study proposes an empirical classification of ways to introduce elements of the history of science into science teaching, as well as describing a special way to do so characterized by the introduction of short extracts from historical texts. The aim is to motivate students to participate in problem-solving activities and to transform their…