This study investigated eight experienced science teachers' and eight senior high school students' metavisualization when they drew models to represent their concepts of carbon cycling. Qualitative data collection techniques including think-aloud tasks and follow-up retrospective interviews were employed. The purposes of the study included: (1) to…

Promoting understanding of the epistemologies of science has long been the primary objective in science education, and can be viewed as a form of science learning outcome. Many studies have attempted to understand learners' conceptions of epistemology in science from various perspectives and methods; however, no recent reviews have focused on the…

Presents four examples of students engaged in self-directed building projects. Uses the enactivist ideas of enaction, coemergence, mutual specification, and adequate conduct to describe and interpret the four cases. Describes the ways in which personally significant meanings and personal competency emerge within the context of self-directed…

Discusses students' perceptions of using writing as a component of their science learning. Results, collected over four years, are organized to include students' perceptions of writing in science, learning, ownership, purpose, and science. These results are then discussed in terms of students' developing metacognition and epistemologies of…