There is growing recognition of the prevalence of "within school churn", a phenomenon in which teachers remain within a school but are assigned a new grade level or course. In this study we examine the consequences of within-school churn for the pedagogical content knowledge of elementary teacher participants in an NSF-funded science PD…

With the growing adoption of the Next Generation Science Standards across the United States, elementary teachers are being called upon to incorporate engineering into their science instruction, creating a need for ways to help elementary teachers better understand what engineering is and how to accurately communicate it to students. The present…

Engineering design activities are a common way for teachers to incorporate engineering into their science classrooms, as called for by current science policy documents in the United States. However, little is known about how teachers prioritize different learning objectives during engineering design lessons. Understanding teachers' thinking on…

This study examined elementary teachers' instructional strategies for promoting scientific understanding and inquiry and supporting English language development with diverse student groups including English language learners. The study was part of a 5-year research and development project consisting of reform-based science curriculum units and…

Teachers are required to work with data on a daily basis to assess the effectiveness of their teaching strategies, but may not approach it as research. This paper presents a reflective discussion of how and when a professional development team used an action research project to help 12 K-6 teachers explore the effectiveness of reform based Nature…

This descriptive study examined urban elementary school teachers' perceptions of their science content knowledge, science teaching practices, and support for language development of English language learners. Also examined were teachers' perceptions of organizational supports and barriers associated with teaching science to nonmainstream students.…

This study sought to determine what elementary teachers know about student science misconceptions and how teachers address student misconceptions in instruction. The sample included 30 teachers from California with at least 1-year of experience teaching grades 3, 4, and 5. A semistructured interview was used. The interview transcripts were…