United States

The parallel plate capacitors are used in many applications. The calculation of voltage of the two triboelectric plates is very important to calculate the maximum potential difference that can be obtained in triboelectric nano generators. Due to fringing of electric field lines the potential difference between the two plates varies in a nonlinear manner with separation distance and plate size. The nature of the field variation and hence the average potential difference as a function of plate size is simulated and the separation for maximum potential difference is calculated. To have a better insight, the energy calculation is also performed. This enables us to calculate the voltage generated by nano generators and hence the maximum obtainable power.

AAPT SM 21

Optimum separation of two plates for maximum potential difference

optimum separation.

fringing

capacitor

The 2020 AAPT Virtual Summer Meeting brought together physics educators from around the globe to learn about the latest in physics theory, research methodology and education from leaders in their field. The program featured plenary speakers, sessions, workshops and many special activities.

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AAPT SM 20

poster

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The Tennessee Technological University - STEM Majors for Rural Teaching (TTU - SMaRT) Noyce program has partnered closely with TTU's Millard Oakley STEM Center. IN this poster we describe how this mututally beneficial partnership has provided a low-stakes environment in which Noyce students gain authentic instrucitonal experiences, exposure to pedagogical innovations, menaingful interaction with practicing teachers, and early integrations with the local STEM teaching community. This partnership has also enabled the STEM Center to offer more outreach opportunities than it otherwise could. Lessons developed by scholars have contributed to a 'library' of standards-based activities that have also broadened the scope of what can be offered.

Affordances of a Noyce Program -STEM Center partnership

Understanding the basic concepts of electricity represents a major challenge to most students in K-12 education. Learners find it particularly difficult to develop a robust understanding of potential and potential difference and often believe that the electric current is “used up” by devices. A promising way of making circuits more accessible to students in introductory electricity lessons is offered by the use of analogies in combination with simulations. We therefore developed a new, analogy-based simulation of simple electric circuits. The simulation is intended for use in combination with the bike chain and the air pressure analogies, the implementation of which has been shown to support students’ development of a conceptual understanding of simple DC circuits. Teachers and students can access the 3D simulation free of charge using a modern browser.

An Analogy-Based 3D-Simulation for Teaching Simple Electric Circuits

This poster will address development and initial implementation of a NSF grant funded biomedically relevant active-learning curriculum in my second semester Physics for the Life Sciences course. This NSF grant funded curriculum provides students with a biomedically relevant curriculum that stresses the importance of physics as a basic science relevant to their future medical/healthcare careers. I will provide insight as to how I contributed in the development process and adapted curricular materials of Rotational Kinematics and Torque in a flipped classroom setting and how this benefited me in my pedagogical growth in teaching physics. Further, pre-post analysis of attitude survey results will be addressed to show the effectiveness of the curriculum. This work is supported by the grants DUE- 1934038 and DUE- 1933984 from the National Science Foundation.

Implementation of a biomedically relevant active-learning Physics curriculum

Our open-source textbook, Exploring Physical Phenomena: What Happens When Light from the Sun Shines on the Earth? is now available at https://open.oregonstate.education/physicsforteachers. Each unit begins by identifying student resources for learning, developing central ideas based on evidence from exploring phenomena with everyday equipment and materials, using central ideas to explain intriguing phenomena, developing mathematical representations of the phenomena, using those representations to predict or estimate a quantity of interest, and making connections to educational policies such as the Next Generation Science Standards. All units include examples of student work by prospective elementary and middle school teachers while exploring light and thermal phenomena, considering the influence of light and thermal phenomena on local weather and global climate change, and exploring astronomical phenomena in the context of the Sun/Earth/Moon system. Supplemental materials include instructor guide for each unit, equipment lists for both on-campus and remote instruction, student handouts, and example homework assignments.

Exploring Physical Phenomena: A Physics Course for Prospective Teachers

We report the design and development process undertaken by the authors in putting together historical vignettes that could be used as supplementary materials in teaching Physical Science in Senior High School. The use of historical physics vignettes humanizes science to the students and allows them to develop an understanding of the nature of science. In this paper, we present three examples of the historical vignettes that had been developed: (1) an interactive historical vignette about Galileo and his ast ronomical discoveries; (2) a vignette presented in role-play format that highlights the cont ributions of Oersted, Ampere, Faraday, and Maxwell; and (3) a comics-format vignette contextualized in the Philippines setting, featuring the story of the first female National Scientist of the Philippines. The vignettes featured guide questions that encourage the students to think about their views about the nature of science.

Development of Historical Vignettes in Teaching Physical Science in SHS

We implemented a fully online full year introductory physics sequence for life science and pre-health students at Portland State University during the 2020- 2021 school year. Curricular materials such as videos by experts in the medical field, content, activities, simulations, and assessments around medical examples and applications were developed. These were delivered through an adaptive, personalized, and interactive online platform Cogbooks. We plan to offer this course in-class in the upcoming school year and further study student learning and the impact of the curriculum on student attitudes.

Implementation of a Full Year Introductory Physics Sequence Pre-Health Students

This work is part of a multi-institution collaboration developing a fair, valid, and reliable research-based conceptual fluids assessment, the Fluids Conceptual Evaluation (FCE). The FCE will utilize two-tier multiple-choice items covering both fluids statics and fluids dynamics. Rasch analysis will be used to create different equivalent versions of the FCE, allowing instructors to give just the statics questions, just the dynamics questions, or a combination of both. In this poster we will describe the process of how we selected the fluid statics constructs and the process of writing and refining the statics-related questions. Instructors interested in serving as a field test site should contact Project Lead Dawn Meredith.

Development of statics questions for the Fluids Conceptual Evaluation (FCE)

This work is part of a multi-institution collaboration developing a fair, valid, and reliable research-based conceptual fluids assessment, the Fluids Conceptual Evaluation (FCE). The FCE will utilize two-tier multiple-choice items covering both fluids statics and fluids dynamics. Rasch analysis will be used to create different equivalent versions of the FCE, allowing instructors to give just the statics questions, just the dynamics questions, or a combination of both. In this poster we will describe the process of how we selected the fluid dynamics constructs and the process of writing and refining the dynamics-related questions. Instructors interested in serving as a field test site should contact Project Lead Dawn Meredith.

Development of dynamics questions for the Fluids Conceptual Evaluation (FCE)

Digital worksheet questions based on health and life scenarios were developed for students in an introductory physics for life science course, to practice conceptual and algebraic modeling and quantitative analysis. Many of the quantitative values used were students’ own estimations or data or choice of scenario parameters from authentic data tables and graphs provided. Students would get different numerical answers depending on their details of choice, and possibly different evaluations of what their numerical answer inferred about the scenario. These materials were meant to support student transition into exploring the physics mechanisms underlying their own health/life scenarios.

Health/life Scenario Digital Worksheets with Student Choice of Details

How does one run a virtual physics camp for middle school girls during the COVID pandemic ? I will present my experience in organizing and executing the Virtual Physics Wonder Girls Summer Camp in 2021. The theme of this year's free, week-long physics camp revolves around renewable energies and quantum physics. On its ninth year, the camp provides immersion experiences to cohorts of middle school girls selected from a pool of high-performing students in the Philadelphia-New Jersey area. Campers come from diverse communities and are introduced to renewable energy and the basics of solar cells, and experience project-building by building and testing solar cars, and solar boats, and do hands-on optics experiments. Campers received a free kit of materials for projects and experiments. Campers interact with physics majors who serve as crew, women physicists and engineers, experience virtual tours of plants and manufacturing facilities, and give capstone presentations.

Optimum separation of two plates for maximum potential difference

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Affordances of a Noyce Program -STEM Center partnership

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