Bulletin of the American Physical Society
APS April Meeting 2019
Volume 64, Number 3
Saturday–Tuesday, April 13–16, 2019; Denver, Colorado
Session J07: Teaching Energy in the 21st CenturyEducation Invited
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Sponsoring Units: FEd Chair: Mackenzie Stetzer, University of Maine Room: Sheraton Governor's Square 16 |
Sunday, April 14, 2019 1:30PM - 2:06PM |
J07.00001: Content Knowledge for Teaching Energy: Framework and Assessment Invited Speaker: Eugenia Etkina In my talk I will discuss the concept of Content Knowledge for Teaching (CKT) a specific topic and an application of this concept to teaching energy. I will report report on a multi-year, multi-institutional effort to study physics teachers knowledge for teaching energy. In particular, I describe the framework that we developed to clarify CKT construct in the context of high school energy learning and the process through which we developed, tested, and refined a “paper-and-pencil” assessment that we administered to several hundred physics teachers and physics majors. I will report on the findings of the assessment and discuss the role of subject matter knowledge in the content knowledge for teaching. |
Sunday, April 14, 2019 2:06PM - 2:42PM |
J07.00002: Leveraging understanding of energy from physics to overcome unproductive intuitions in chemistry Invited Speaker: Beth A. Lindsey Energy is a topic that spans the scientific disciplines. Thus the teaching of energy in physics can impact student learning in chemistry, and vice versa. Many studies conducted within the domains of both physics and chemistry demonstrate that potential energy in particular is a difficult topic for students. In this talk, I will discuss a project to empirically test how best to support student learning of electrostatic potential energy. We examine student responses to a question about how the potential energy of a system of two attracting ions varies with distance (the “ions” task), and investigate how these responses change after students have been exposed to either a question designed to help them think about gravitational potential energy, or the potential energy of a system of two attracting magnets. Results from small-group interviews and online assignments, which include a randomized intervention component, will be presented. The results are interpreted using dual-process theories of reasoning and decision making, and implications for instruction will be discussed. |
Sunday, April 14, 2019 2:42PM - 3:18PM |
J07.00003: Is Energy a Substance, a Location, or a Blend of Both? Ontological Metaphors for Energy in Physics Invited Speaker: Benjamin W Dreyfus Intuitive reasoning and communication about abstract science concepts such as energy are often achieved through the use of ontological metaphors: metaphors about what kind of entity something is. Both students and experts can productively coordinate multiple metaphors for energy, particularly energy as a substance and energy as a vertical location. This coordination can take the form of thinking of energy as a substance in some situations and as a vertical location in others, but it can also take the form of a blended ontology that incorporates both. We look at examples of how this blending is manifested in student and expert reasoning about energy, and explore the relevance for physics instruction, particularly in facilitating interdisciplinary connections. |
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