This article investigates translanguaging as pedagogy in an English/Spanish dual language middle school science classroom as teacher and students engage in scientific argumentation about issues of biodiversity. Drawing from literature on bilingual education, bilingualism, linguistically responsive teaching, and scientific argumentation, we…

Science teachers mediate social and academic language in science classrooms through teacher talk and classroom discourse. In multilingual classrooms, ways home and international languages are deployed can affect conceptual learning of science. This study investigates, through Bakhtin's dialogic perspective, multilingual language practices and…