Reform-oriented instruction is advocated in secondary science, encouraging students to engage with the experimental and epistemic practices of science. It is challenging for teachers though, especially for out-of-field teachers. This study focuses on biology and chemistry teachers who are called to teach middle-school physics. These teachers face…

We investigated the extent to which a seven-week action research mentoring project would help two junior high school science teachers to feel more confident and successful in their abilities to use accommodation strategies to support the English language learners (ELLs) in their classes, and consequently to increase their ability to assess more…

This study uses a sample of 454 teachers engaged in an inquiry science program to examine the effects of different characteristics of professional development on teachers' knowledge and their ability to implement the program. The authors analyzed results from a survey of teachers served by 28 professional development providers within a…

The Center for Learning Technologies in Urban Schools (LeTUS) is implementing a professional development program for science teachers to enact science curricula in a systemic reform initiative. This paper proposes a design approach for professional development in science education as a valuable way to re-conceptualize the process of fostering…