Development of a Learning Progression for the Formation of the Solar System

Plummer, Julia D. and Palma, Christopher and Flarend, Alice and Rubin, KeriAnn and Ong, Yann S. and Botzer, Brandon and McDonald, Scott and Furman, Tanya (2015) Development of a Learning Progression for the Formation of the Solar System. International Journal of Science Education, 37 (9). ISSN 0950-0693 (Print), 1464-5289 (Online)

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This study describes the process of defining a hypothetical learning progression (LP) for astronomy around the big idea of Solar System formation. At the most sophisticated level, students can explain how the formation process led to the current Solar System by considering how the planets formed from the collapse of a rotating cloud of gas and dust. Development of this LP was conducted in 2 phases. First, we interviewed middle school, high school, and college students (N = 44), asking them to describe properties of the current Solar System and to explain how the Solar System was formed. Second, we interviewed 6th-grade students (N = 24) before and after a 15-week astronomy curriculum designed around the big idea. Our analysis provides evidence for potential levels of sophistication within the hypothetical LP, while also revealing common alternative conceptions or areas of limited understanding that could form barriers to progress if not addressed by instruction. For example, many students' understanding of Solar System phenomena was limited by either alternative ideas about gravity or limited application of momentum in their explanations. Few students approached a scientific-level explanation, but their responses revealed possible stepping stones that could be built upon with appropriate instruction.

Item Type: Article
Subjects: Astronomy Education Research
Depositing User: Mr Saeed Salimpour
Date Deposited: 27 May 2018 09:53
Last Modified: 20 Aug 2018 05:53

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