Curricular reforms in science education represent an opportunity for changes in instructional approaches with the intent of making learning and teaching more meaningful and effective. While beginning teachers may receive instruction on pedagogy aligned with adopted reforms, veteran teachers need support and development to implement instruction…

The present study elaborates on a domain-specific approach to NOS (Nature Of Science) and employs a NOTSs (Nature Of The Sciences) agenda to investigate how Greek in-service physics teachers understand the unique features of school physics and biology. Our theoretical framework focuses on the notion of worldview and important differences that…

Effective professional development programs for science teachers provide opportunities for active learning and teacher self-reflection on beliefs about science teaching, learning, and practice. One model that fosters active learning and promotes reflection is collaborative curriculum development, in which teachers work together with university…

Research Goes to School (RGS) is a professional development program that focuses on high school teachers of science, technology, engineering, and mathematics (STEM) subjects. This collective case study examines RGS participants and their use of project-based learning (PBL) as they implemented curricular units that they developed at the RGS summer…

Representations are an effective tool that chemistry teachers choose to use in their classes to help their students understand abstract concepts. According to the model of pedagogical content knowledge (PCK), a teacher's knowledge of representations is part his/her PCK, which is shaped specifically by his/her orientation towards science teaching.…