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Erschienen in: Journal of Science Education and Technology 2-3/2015

01.04.2015

Sixth-Grade Students’ Progress in Understanding the Mechanisms of Global Climate Change

verfasst von: Tammie Visintainer, Marcia Linn

Erschienen in: Journal of Science Education and Technology | Ausgabe 2-3/2015

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Abstract

Developing solutions for complex issues such as global climate change requires an understanding of the mechanisms involved. This study reports on the impact of a technology-enhanced unit designed to improve understanding of global climate change, its mechanisms, and their relationship to everyday energy use. Global Climate Change, implemented in the Web-based Inquiry Science Environment (WISE), engages sixth-grade students in conducting virtual investigations using NetLogo models to foster an understanding of core mechanisms including the greenhouse effect. Students then test how the greenhouse effect is enhanced by everyday energy use. This study draws on three data sources: (1) pre- and post-unit interviews, (2) analysis of embedded assessments following virtual investigations, and (3) contrasting cases of two students (normative vs. non-normative understanding of the greenhouse effect). Results show the value of using virtual investigations for teaching the mechanisms associated with global climate change. Interviews document that students hold a wide range of ideas about the mechanisms driving global climate change. Investigations with models help students use evidence-based reasoning to distinguish their ideas. Results show that understanding the greenhouse effect offers a foundation for building connections between everyday energy use and increases in global temperature. An impediment to establishing coherent understanding was the persistence of an alternative conception about ozone as an explanation for climate change. These findings illustrate the need for regular revision of curriculum based on classroom trials. We discuss key design features of models and instructional revisions that can transform the teaching and learning of global climate change.

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Metadaten
Titel
Sixth-Grade Students’ Progress in Understanding the Mechanisms of Global Climate Change
verfasst von
Tammie Visintainer
Marcia Linn
Publikationsdatum
01.04.2015
Verlag
Springer Netherlands
Erschienen in
Journal of Science Education and Technology / Ausgabe 2-3/2015
Print ISSN: 1059-0145
Elektronische ISSN: 1573-1839
DOI
https://doi.org/10.1007/s10956-014-9538-0

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