When teachers engage in forms of science teaching that disrupt the status quo of typical school science practices, they often experience dilemmas as problems of practice that are difficult--or even impossible--to solve. This instrumental case study examines one teacher's efforts to teach science for equity across two contexts: a public middle…

The practical epistemologies of university students during laboratory work in chemistry are analyzed to enhance understanding of how teaching practices interact with learners. The purpose is to develop a theoretical framework of learning as action that can be used by educational researchers to examine meaning-making, but also by teachers in close…