Examines four first-graders' messages to family members in their "family message journals," as students were learning to "do science." Finds that they consistently composed texts in which they appropriated the linguistic conventions of science and that they seemed able to use these conventions flexibly, recontextualizing the…

This article employs the concept of intersubjectivity to analyze developments in and discrepancies between students' understandings of criteria for effective writing and the criteria of their teacher. It reports on a study that employed qualitative methods of interview and classroom observation in conjunction with analysis of students' writing and…