Examines and characterizes student use of narrative and paradigmatic expression in elementary science discourse. Focuses on the narrative and paradigmatic modes of expression used by combined first-, second-, and third-grade students in a semi-structured, fairly autonomous, whole-class conversational format. Over time students moved toward more…

Presents and analyzes data focusing on how teacher and students moved between theory and data in a unit designed to engage seventh-grade students mostly in the deductive direction of scientific activity, and how the dialectic of education was played out in the classroom as teacher and students were engaged in the activity. Contains 29 references.…

Investigates the nature of small-group social interactions in the mediation of children's science learning. Reports that the teacher mediated the children's small-group science learning through discourse that negotiated children's status, actions, and meaning, as well as through discourse that established the normative structure of the small…

Explores how children's ideas in science affect elementary science instruction by investigating whether and how three primary teachers recognize and react to student ideas. Finds that the experienced teacher with the highest level of content knowledge had the largest repertoire for eliciting and addressing student ideas, and the intern teacher's…