Understanding frames of reference is critical in describing planetary motion and learning astronomy. Historically, the geocentric and heliocentric models were defended and advocated against each other. Today, there are still many people who do not understand the relationship between the two models. This topic is not adequately treated in astronomy…

The introduction of technology education in primary and secondary schools during the past 10-15 years around the world has presented a number of difficulties for teachers, primarily related to their coming to understand the phenomenon of technology and to conceptualise the technology learning area in line with national frameworks. This paper…

This article presents a qualitative case study that explored preservice teachers' perceptions about their own learning within the culture of a branch-campus, cohort-model teacher preparation program and through their first year of teaching. This study investigated how a cohort of twelve preservice teachers--many of whom were nontraditional-aged…