This article reports on a study in which activity theory was used to design, implement, and analyze a 10-week curriculum unit about how honeybees collect nectar with a particular focus on complex systems concepts. Students (n = 42) in a multi-year kindergarten and 1st-grade classroom participated in this study as part of their 10 regular classroom…

We investigate how students connect explanations and arguments from evidence about plant growth and metabolism--two key practices described by the "Next Generation Science Standards". This study reports analyses of interviews with 22 middle and high school students postinstruction, focusing on how their sense-making strategies led them…

This article draws on scholarship in educational and linguistic anthropology to explore awareness of Spanish-English code-switching among bilingual Chicana/o and Latina/o students in a sixth-grade English Language Arts classroom. Analysis of qualitative data gathered via participant observation, video/audio recording, and semistructured interviews…

This article draws on qualitative data from two Spanish-English dual language elementary classrooms to explore how teachers in these classrooms made sense of the everyday practice of bilingualism. Methodologically, this study relied on participant observation, video recording, and semi-structured interviews. Conceptually, this article draws on the…

Much has been written recently about the role of talk in content-area learning, including science learning. However, there is still much to be learned about how teachers begin to engage students in the kinds of peer-to-peer conversations that help them make sense of their investigations in science and that advance their conceptual understandings.…