[This paper is part of the Focused Collection on Astronomy Education Research.] In this paper we discuss the design and development of a learning progression (LP) to describe and interpret students' understanding about stellar structure and evolution (SSE). The LP is built upon three content dimensions: "hydrostatic equilibrium";…

The learning module described deals with the teaching of the skill of conceptualization through the development of categories. Included are exercises at defining and identifying concepts, concept formation and attainment, comparing and contrasting meanings of "statement of values, face and concept" along with others. Included in this descriptive…

Powerful Ideas in Physical Science (PIPS) is a preservice curriculum that provides modules for physical science courses designed for elementary education majors. Because the courses are built on the learning cycle approach, students develop concepts from activities and then apply this conceptual knowledge. A summative evaluation done by Horizon…