This case study examines how three science teachers in a secondary school attended to the language demands of science through oral interactions in classes of multilingual students with diverse English proficiencies. It specifically unpacks the intricate role of language in science education, where teachers must address disciplinary-specific…

Recent science-education reforms have targeted students' ability to 'talk science', especially in science classrooms. Prior research has shown that participation in scientific discourse in class is one of the most challenging scientific-literacy tasks, and particularly complex for English language learners (ELLs) at the upper elementary level. The…

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…