Introduction: In the Baccalaureate, the exact and experimental science subjects demand the development of scientific competence, which in turn requires mastery of theoretical knowledge and practical knowledge, but also motivation and sustained effort for greater involvement and academic performance. Hence the relevance of knowing the motivational…

The aim of this study is to analyse the effect of tasks on the detection of explanation obstacles when secondary school students read scientific texts. Students were instructed to read short passages under different task conditions, and to ask questions if necessary. Obstacle detection was operationalised in terms of the type of questions asked by…