OPAC - Pencarian Artikel Jurnal & Majalah Library USD
Menampilkan semua artikel (Halaman 736 dari 34166, Total: 341652 data)
Enhancing Student Learning of Global Warming Through Reflective Writing
klik untuk membaca file PDF
| Pengarang | : | Guang Zeng |
| Nama Majalah/Jurnal | : | The Physics Teacher |
| Volume / Edisi | : | 59 (No. 9) |
| Halaman | : | 706-708 |
| Abstrak | : | The National Academy of Science has published studies showing strong scientific evidence that global warming is caused by human consumption of fossil fuels, yet recent surveys have shown young adults in the U.S. are disengaged or disagree with this fact. Accordingly, the United Nations Educational, Scientific, and Cultural Organization (UNESCO) published learning objectives to educate the world population on global warming and renewable energy by 2030. In this paper, we introduce a reflective writing activity physics educators can employ to foster a deeper understanding of global warming in introductory college physics and physical science courses, without overloading their teaching time. |
Backward-Design Model for an Astronomy Course Using RSpec
| Pengarang | : | - |
| Nama Majalah/Jurnal | : | The Physics Teacher |
| Volume / Edisi | : | 59 (No. 9) |
| Halaman | : | 703-705 |
| Abstrak | : | The new normal imposed on us by the COVID-19 pandemic restricted the traditional ways we would teach high school students who are eager to participate in introductory astronomy projects on our university campus. This turned out to be a blessing in disguise as we were forced to come up with creative ways to get around this obstacle. The outcome is an outline of a pedagogically sound and even more robust instructional plan for an astronomy course using RSpec in conjunction with freely available databases. In addition to the traditional topics, the new model will allow an instructor to explore emission lines of variable Be stars like Gamma Cas and the classification of supernovae by an interpretation of their spectra. We argue that this new model should be used even if we return to the old normal. |
Using a Learning Management System to Actively Engage Students in a Biomedically Relevant Introductory Physics Course
| Pengarang | : | Mayuri Gilhooly; Nancy Donaldson; Ralf Widenhorn |
| Nama Majalah/Jurnal | : | The Physics Teacher |
| Volume / Edisi | : | 61 (No. 9) |
| Halaman | : | 799-782 |
| Abstrak | : | The use of a learning management system (LMS) is an effective way for teachers to organize, manage, and deliver course materials. Creative activities using multimedia tools make the learning process friendlier for students and increase their interest in the study of sciences.1 A study done by Gunawan et al. addresses how a Moodle-based LMS has been able to increase the creativity of candidate physics teachers.2 However, these learning management systems are underused, especially in face-to-face higher education courses.3 This paper describes how I (the first author) implemented biomedically relevant physics content in introductory physics for the life science (IPLS) courses using my university’s LMS to provide a low-cost, unique, specialized learning experience for my students. |
3D-Printed Labs: A Force Table and Simple Pulleys
| Pengarang | : | Francisco Antonio Horta-Rangel |
| Nama Majalah/Jurnal | : | The Physics Teacher |
| Volume / Edisi | : | 59 (No. 9) |
| Halaman | : | 700-702 |
| Abstrak | : | In this paper we explain how to build a very sensitive force table using 3D-printed parts. The key component of this apparatus is a simple sensitive pulley that, together with the other components, can be printed in one day (one hour per pulley, 17 hours for a complete three-pulleys table) at the cost of 160?g of plastic filament. This force table can be used in a vertical position on a whiteboard for an all-class discussion or in a horizontal position for personal or group usage. The design includes calibrated mass hangers that use coins or small metal pellets as weights. To view the files, go to https://www.thingiverse.com/thing:5019204. |
Physical Computing with Arduino
| Pengarang | : | Barun Raychaudhuri |
| Nama Majalah/Jurnal | : | The Physics Teacher |
| Volume / Edisi | : | 61 (No. 9) |
| Halaman | : | 795-798 |
| Abstrak | : | This article exemplifies a learning methodology for physical computation with electrical and nonelectrical physical entities using Arduino coding and interfacing. The target group is undergraduate physics majors. Instead of following a predetermined setup, it emphasizes the sovereign thought of the student and demonstrates how the same microcontroller system, with minor variation in hardware and code, can be implemented to a completely different type of application, such as low- and high-voltage switching, light and temperature sensing, producing sound, and generating voltage waveforms. |
Calculating the Duration of Impact When a Solid Sphere Collides on a Flat Rigid Wall
| Pengarang | : | - |
| Nama Majalah/Jurnal | : | The Physics Teacher |
| Volume / Edisi | : | 59 (No. 9) |
| Halaman | : | 696-699 |
| Abstrak | : | Calculating the duration of a motion when the applied net force on the moving body changes with time is usually a challenging task. In most cases, the only example of the duration of a motion when the acceleration is not constant presented to introductory physics students worldwide is the example of harmonic motion. A discussion with respect to the calculation of the duration of motion in more complicated cases is usually avoided due to its mathematical complexity. However, in this paper, a new simplified yet accurate approach is presented for the calculation of the duration of impact when a solid sphere collides on a flat rigid wall. The analysis is based on the calculation of the average stiffness of the sphere. It is important to mention that the percentage difference between the simplified approach and the rigorous mathematical analysis was calculated to be only 2.5%. |
Teaching Introductory Physics in the Context of Personal and Societal Issues of the COVID-19 Pandemic
| Pengarang | : | Guang Zeng; Liang Zeng |
| Nama Majalah/Jurnal | : | The Physics Teacher |
| Volume / Edisi | : | 61 (No. 9) |
| Halaman | : | 792-794 |
| Abstrak | : | This paper reports on introductory physics instruction contextualized in terms of coronavirus-related personal and societal issues. Students in this descriptive qualitative study gained a strong grasp of a range of physics concepts associated with the nature and mechanisms of the spread of the coronavirus, such as projectile motion, air convection, Reynolds number, and Brownian motion; additionally, they were able to discuss the application of physics relevant to the N95 face masks. Students found this pedagogical approach engaging, as shown in their reflective writing. |
The Electric Monochord: A Musical Demonstration About Electromagnetic Induction
| Pengarang | : | Antonio Eff-Darwich |
| Nama Majalah/Jurnal | : | The Physics Teacher |
| Volume / Edisi | : | 59 (No. 9) |
| Halaman | : | 694-695 |
| Abstrak | : | In this work, an easy-to-set-up demonstration about electromagnetic induction is presented, where a simple toy electric motor is transformed into a musical instrument. With this creative way to mix physics and music, it is expected to engage and motivate students to learn about the basic concepts of electromagnetism. |
Rotational-to-Translational Kinetic Energy Transfer for a Rolling Spool
| Pengarang | : | Leonid Minkin; Anthony Zable |
| Nama Majalah/Jurnal | : | The Physics Teacher |
| Volume / Edisi | : | 61 (No. 9) |
| Halaman | : | 788-791 |
| Abstrak | : | Kinetic friction exerted on a sliding object is a dissipative force responsible for the conversion of mechanical energy into heat. The direction of the kinetic friction force exerted on a sliding object always opposes the direction of its velocity at the point of contact with the surface (vpoc) but not necessarily its center-of-mass velocity (v). For various reasons, first-year physics students are rarely exposed to examples and lab experiences that emphasize kinetic friction beyond sliding objects without rotation and rolling objects without slippage. Unfortunately, this can result in the student misconception that mechanical energy loss due to kinetic friction is synonymous with translational kinetic energy loss. |
A Student Experiment About Rainbows: Ray Tracing Through an Acrylic Cylinder
| Pengarang | : | - |
| Nama Majalah/Jurnal | : | The Physics Teacher |
| Volume / Edisi | : | 59 (No. 9) |
| Halaman | : | 692-693 |
| Abstrak | : | Nearly everyone, including physics students, finds rainbows to be fascinating and much has been written about them. For example, in a 2020 paper, Kenneth Ford sets forth the basic theory of rainbows created by water droplets at the level of geometric optics and uses a graphical approach to address the question of the relative intensities of the light in the arc of the rainbow and below the arc. However, little has been written about related experiments that students can carry out. In this paper we describe an experiment easily accessible to students that clearly illustrates the principles of rainbow formation. Since experimenting with spheres of either water or other transparent material is difficult, the experiment is carried out with cylinders. The principles are the same. Ivanov and Nikolov have used cylindrical bodies to demonstrate rainbows, but without reference to student activities. |