This study aimed to develop and evaluate a web-based TPACK scaffolding for online learning to enhance the TPACK skills of preservice chemistry teachers. The preliminary study identified the lack of a clear perception of TPACK among preservice chemistry teachers. Therefore, we developed a web-based TPACK scaffolding tool consisting of five menus:…

This paper presents the findings of an investigation carried out in Sri Lanka to explore how mobile phones can support science teachers' pedagogical practices throughout the teaching cycle of planning, teaching and evaluation. Data were collected using observation supported by audio and video recordings from both continuing professional…

This is an overview report that has been prepared as part of the first phase of Project 2061, a long-term multipurpose undertaking of the American Association for the Advancement of Science designed to help reform science, mathematics, and technology education in the United States. The first section, "Education for a Changing Future,"…