We present a theoretical framework that views learning as a process involving content learning (CL) and identity construction (IC). We view identities as lenses through which people make sense of, and position themselves, through stories and actions, and as lenses for understanding how they are positioned by others. As people become more (or less) central members of a disciplinary community (e.g., a science or mathematics classroom) and engage (or not) in various cultural practices, changes in identity and knowledge accompany changes in position and status. IC and CL share an important characteristic: they both involve meaning making. For IC, it is the development of reasoned, coordinated, coherent, and meaningful ways of seeing one’s self in relation to communities, and for CL, it centers on the development of disciplinary concepts, processes, tools, language, discourse, and norms within practices. Focusing on Black students in mathematics and science classrooms, we claim that three intersecting identities are particularly important: disciplinary identity (as doers of the discipline, i.e., mathematics and science), racial identity (emerging understandings of what it means to be Black), and academic identity (as participants in academic tasks and classroom practices). In this paper, we elaborate on the CLIC framework as a useful tool for understanding how Black students negotiate participation in, and come to see themselves as doers of science and mathematics in their school classrooms. We synthesize empirical findings from our research with younger and older students, as well as with parents and community members, to illustrate dimensions of this framework.

ABSTRACT:We use identity as a multidimensional lens to explore ways in which beginning teachers saw themselves as scientists and as science teachers during and after 10-week summer apprenticeships at a science lab. Data included four interviews with each teacher, three during the apprenticeship and one after the first year of teaching. Two themes emerged that were used to organize the findings: (a) science as a practice and (b) science as a community of practice. Teachers came to appreciate certain science practices, speech acts, and tools. As scientists, they noticed and engaged in the nonlinearity, messiness, risk taking, evolution over time, and complexity of science (their own and others'), and in both levels of scientific activity, theory and data, and their interplay. Their scientist identity also came to incorporate the delicate dynamics of collaboration, autonomy, and mentoring within a community. However, for several reasons the teachers raised, such practices became elements of their science teacher identities to differing degrees. What they experienced as science teachers was a sense of conflict. At times this conflict took the form of ambivalence,

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ABSTRACT:We focus on the concept of matter and explore how young children in urban schools bridge their spontaneous concepts and everyday experiences with scientific concepts introduced to them by children's literature information books and their teacher. The study shows how material artifacts used in a sorting activity became ideational tools-semiotic devices that promoted children's engagement with science and shaped the classroom discourse, thinking, and transactions. "Ambiguous" objects, such as a baggie with air, shaving cream, a baggie of salt that children were asked to sort, encouraged them to debate ideas about states of matter. Children used four ways of reasoning about states of matter: macroscopic properties, prototypes, everyday functions, and process of elimination. Furthermore, children's meaning making was intertwined with various socio-organizational aspects of inquiry-the ways in which children negotiated their roles within their group and in wholeclass sessions, how they worked with each other, how their ideas were heard by others. We discuss how curricular and instructional approaches that do not lead children to one specific answer or way of thinking become catalysts for the creation of discursive spaces, where children and teacher engage in meaning making in the midst of ambiguity and confusion.C 2007 Wiley Periodicals, Inc. Sci Ed 92: 65 -95, 2008

The study explores urban second graders' thinking and talking about the concepts of evaporation, boiling, and condensation that emerged in the context of intertextuality within an integrated science‐literacy unit on the topic of States of Matter, which emphasized the water cycle. In that unit, children and teacher engaged in a variety of activities (reading information books, doing hands‐on explorations, writing, drawing, discussing) in a dialogically oriented way where teacher and children shared the power and the burden of making meaning. The three qualitative interrelated analyses showed children who initiated or continued productive links to texts, broadly defined, that gave them spaces to grapple with complex ideas and ways of expressing them. Although some children showed preference for a certain way of thinking about evaporation, boiling, and condensation, the data do not point toward a definite conclusion relative to whether children subscribe or not to a particular conceptual position. Children had multiple, complex, and often speculative, tentative, and emergent ways of accessing and interpreting these phenomena, and their conceptions were contextually based—different contexts offered opportunities for students to theorize about different aspects of the phenomena (along with some similar aspects). Children also theorized about aspects of the same phenomena in different ways. © 2006 Wiley Periodicals, Inc. J Res Sci Teach 43: 637–666, 2006

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ABSTRACT:We focused on young, low-income, African American children in first-to third-grade classrooms where they experienced varied forms of interactive, participatory,