Learners come to class with a wealth of knowledge. Working with learner prior knowledge (LPK) is the foundation upon which new concepts get their meaning. Yet some teachers find interacting with LPK complex. Reflecting on practice, particularly within a professional learning community (PLC), has resulted in improvements in teaching. The focus of…

In this paper we report on the process of argument construction in whole class discussions and how this was used by participants as a tool for joint meaning-making. The study draws on Vygotsky's view of learning as the active construction of knowledge and on theories of argumentation. Most previous research in South African science classrooms has…

This study shows how worksheets can be used to support learning in an informal learning environment. Although there has been some research into the use of worksheets in museum settings in developed countries, it is still not clear whether worksheets enhance or inhibit learning. Using a case study of grade 4-7 learners visiting a biology exhibition…