Background: Although sound is an everyday phenomenon that we hear about constantly, numerous studies have reported that students often exhibit learning difficulties in understanding this subject. Only a few studies have proposed programs involving practical learning experiments to provide students with solid conceptual knowledge. Moreover, little…

Background: Understanding students' preconceptions is an important initial step towards a successful and meaningful learning in physics. This is more relevant and important especially for concepts that are introduced formally as early as preschool including friction. Visual representation maybe often used as an aid to teaching, however,…

Background: Density is difficult to learn and teach in middle schools. This study, hypothesizing that the density concept develops as part of a conceptual system, used a conceptual change approach to teaching density. The approach emphasized the use of multiple strategies to teach the density concept and the associated concepts in the conceptual…

Background: One of the most important goals of science education is to enable students to understand the nature of science (NOS). However, generally regular science teaching in classrooms does not help students improve informed NOS views. Purpose: This study investigated the influence of an explicit reflective conceptual change approach compared…