This study examines the effectiveness of handbook preparation as a method in the self-directed learning process of student teachers in teaching endocrine glands, and increasing their levels of knowledge. Thirty student teachers were selected from a biology department. A pencil and paper test and a clinical interview procedure were used to collect…

In this article we investigated 4th, 6th, and 8th grade students' misconceptions about light, sight, vision, source of light and examined students' conceptual development of these concepts at different grade levels. Data collection was done using five two-tiered test questions with one open-ended question, an interview about concepts and a drawing…

Active learning is advocated as a better way of teaching for several decades in science education. The purpose of this study was to determine chemistry teachers' thinking and views about student-centered activities applicable in chemistry teaching and learning in the study context. A case study approach was used in this research. At the beginning,…

In this article we present details of a four-step constructivist-based teaching strategy, which helps students understand the dissolution of a gas in a liquid. The model derived from Ayas (1995) involves elicitation of pre-existing ideas, focusing on the target concept, challenging students' ideas, and applying newly constructed ideas to similar…