Discusses results obtained from a survey of secondary science teachers to determine their research needs. Among the areas considered are priorities of these teachers in general and differences in priorities related to discipline taught, sex, grade level (junior or senior high), type of community, and years of teaching experience. (JN)

Pedagogical content knowledge (PCK) is a much debated and studied construct. In this article, we adopt an all-embracing view of PCK to examine the development of one elementary science teacher's knowledge over a 10-year period. We portray this teacher's knowledge at three critical points in her career--as a student teacher, beginning teacher, and…