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B. Teaching physical science (first year, spring semester)
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B. Teaching physical science (first year, spring semester)
1. Overview Teaching Physical Science is a 3-credit course that meets once a week for 160 min. In this course, preservice teachers learn in greater depth and detail how to build student under- standing of crucial concepts 共velocity, acceleration, force, mass, Newton’s laws, circular motion, momentum, energy, electric charge and electric field, potential difference, current and resistance, magnetic field and electromagnetic induction 兲 and of a big picture of physics, how to engage the students in experimental design and complex problem solving, how to motivate them, and how to develop and implement curricu- lum units and lesson plans, including formative and summa- tive assessments. The focus on listening to high school stu- dents and interpreting and explaining what they say and do becomes even stronger. To achieve this goal, preservice teachers practice listening to and interpreting the responses of their peers in class to specific physics questions, read physics education and science education research papers, and conduct clinical interviews with high school or middle school students. In terms of physics content, the course focuses on me- chanics, thermodynamics, electricity, and magnetism in the sequence that is normally used in a high school curriculum, so the preservice teachers see how the concepts should build on each other instead of just being developed as random lessons. The course has the same three components as the “Development of Ideas in Physical Science” 共although there are differences in what is taught or what is expected from the preservice teachers 兲 plus there are two additional compo- nents. For 10 weeks, students spend 3 h a day in a high school observing physics lessons and reflecting on their ob- servations 共this part was described in the Clinical Practice section 兲. At the end of the semester, they have an oral sum- mative assessment. Notice that some of the physics topics that preservice teachers work with in this course are the same as the ones that they encountered in the Development of Ideas in Physical Science course, but the focus is different. The purpose of using the same content is to have multiple exposures to the same ideas in multiple contexts 关 31 兴. 2. Details There are several fundamental enduring pedagogical ideas related to teaching physics 共PCK ideas兲 in the course. One of them is the language 共verbal, symbolic, etc.兲 that we use 共both instructors and students兲 and how this language might help or hinder student learning. Another idea that permeates the course is that students learning physics should have “a taste” of what physics is and what physicists do. The focus on the “outcomes”—concepts, equations, laws—often pre- vents students from seeing the other integral part of physics as a science—its process. In other words, being able to EUGENIA ETKINA PHYS. REV. ST PHYS. EDUC. RES. 6, 020110 共2010兲 020110-12 Teacher Education in Physics 114 explain how one knows something is as important as what one knows. The third idea is that listening to the students and being able to immediately respond during the lesson to stu- dents’ needs is an important ability, but one that is extremely difficult to master and which needs time and effort to be developed. Download 231.88 Kb. Do'stlaringiz bilan baham: |
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