This paper presents an intervention study in three 11th grade classes on calculus with the aim to overcome the students' amotivation by boosting their situational interest. This was successfully done by teachers implementing interest-dense situations. Data analyses further revealed two different principles of how the teachers transferred the…

This article reports on an action research project undertaken with the primary aim of investigating the extent to which a feature film, whose plot included Tesla's demonstrations on the wireless transmission of electrical energy, can promote scientific enquiry. The class that participated in this project was an 11th grade class in a rural area of…

This article reports on the construction process of inclusion/exclusion for high school chemistry students in two schools in Belo Horizonte, the capital of Minas Gerais State, Brazil. We examined the interactional accomplishment of inclusion/exclusion of four students, two from a private school and two from a public school. The aim of this article…