We used a sequential synthesis problem to investigate novice teachers' conceptual difficulties in hydrodynamics. Twenty-one new secondary level physics teachers from various regions of China, who had been in service for no more than 2 years, participated in the study. Each participant completed a written hydrodynamics problem consisting of four…

The purpose of this study was to find out teachers' preferred teaching sequence for basic chemistry topics in Physical Science in South Africa, to obtain their reasons underpinning their preferred sequence, and to compare these sequences with the prescribed sequences in the current curriculum. The study was located within a pragmatic paradigm and…

This article illustrates an enhancement and lesson-delivery process used to engage classroom students in primary school science lessons. In the enhancement process, university educators and pre-service teachers collaborated with local experts to prepare lessons based in local or regional contexts. Lessons were designed to enable students to think…

The aim of this study was to analyse science teachers' language in the classroom within the context of explanation sequences, in order to determine the coherence of the explanations, and the opportunities presented for learners' exposure to the register of science. The study is framed by the concepts of semiotic mediation, register and coherent…