Recent studies on classroom discourse have challenged the traditional classroom role set and emphasised equal contributions from the participants and the emergence of knowledge through active participation. Co-learning emphasises the process in which teachers and students attempt to adapt to one another's behaviour and learn from each other in…

There has been a rich literature on the role of language in learning and on its role in knowledge (co-)construction in the science classroom. This literature, rooted in social semiotics theories and sociocultural theories, discussed research conducted largely in contexts where students are learning content in their first language (L1). In this…