Sub-Saharan Africa secondary school science curricula recognise language as the most important communication tool for learners' biology learning outcomes. Despite this prominent goal, learners' scientific literacy at secondary school appears to be insufficient to cope with classroom teaching and learning of biology. This paper presents a review of…

This study investigated the extent to which the proposed Factory of Ideas (FOI) teaching approach impacted on students' understanding of energy based on their prior knowledge. The FOI is a didactic approach that, unlike the classic cognitive conflict approach, employs a variety of activities to offer students a scientific conception for comparison…

This study, based on the theory of Technological Pedagogical Content Knowledge investigated the effectiveness of introducing open source YouTube videos in the teaching and learning of the Chemistry topic 'Group Properties' at a high school in Lesotho. A quasi-experimental design was used for two conveniently selected Form D classes; one class used…

The research reported in this paper investigates the impact of, and challenges with, encouraging argumentation on students' conceptual development in physics. It draws its theoretical framework from two socio-cultural perspectives of learning, i.e. that learning science occurs in a social setting and secondly that learning science is a discursive…