Physics Education

Journal Information
ISSN / EISSN : 0031-9120 / 1361-6552
Published by: IOP Publishing (10.1088)
Total articles ≅ 7,286
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Christa P Brown, Kalila R Cook, ,
Published: 1 July 2022
Physics Education, Volume 57; https://doi.org/10.1088/1361-6552/ac6929

Abstract:
A self-avoiding walk (SAW) is a sequence of moves on a grid that does not visit the same point more than once. SAWs are used to study how networks form, including social networks, biological networks and computer networks, and have provided inspiration to scientists, artists and designers. Here we describe a collaborative project which aims to deliver public engagement activities that embrace creative thinking to explore SAWs through the medium of hand embroidery. We introduce the physics of SAWs and then present an activity which uses materials from hand embroidery to explore these concepts. Specifically, the activity makes use of a Maker Kit which contains all the materials needed to create SAWs on an embroidery hoop. We evaluate the impact of the Maker Kits and reflect on the opportunities provided by a creativity-led engagement activity for physics teaching and research.
Published: 1 July 2022
Physics Education, Volume 57; https://doi.org/10.1088/1361-6552/ac69a2

Abstract:
Science teaching in general and physics teaching in particular often fail to meet the challenges of motivating and engaging learners. Consequently, students do not adequately understand concepts, leading to the poor acquisition of expected practical skills. In response to this need, we conducted a study to document physics teachers’ instructional practices and students’ learning environments in Rwandan secondary schools. We used the Classroom Observation Protocol for Undergraduate STEM to collect data. For three months, we observed 34 geometric optics lessons for nine Senior-4 Physics teachers and 28 physical optics lessons for seven senior-5 Physics teachers. The results indicate that learner-learner active engagement during group work takes 19% of a 2 min time interval. In comparison, learner-teacher active engagement during teacher guide and questioning take 36.8% and 46.5% of a 2 min time interval, respectively. How teachers and students spend time on each classroom activity was analysed, and recommendations for student engagement were also discussed.
Wissarut Phayphung, , Singha Prasitpong
Published: 1 July 2022
Physics Education, Volume 57; https://doi.org/10.1088/1361-6552/ac60af

Abstract:
The article introduces a low-cost Arduino sensor into the Young’s modulus determination laboratory for physics university students. A stainless steel ruler is used as a cantilever beam. Its free end attached a mass is slightly bent and released to make it oscillate as a simple harmonic motion. The Arduino sensor detects the moving mass’s frequency at different loaded forces. This technique shows an acceptable value of Young’s modulus for the used ruler.
Nazife Ozdes Koca
Published: 1 July 2022
Physics Education, Volume 57; https://doi.org/10.1088/1361-6552/ac57bd

Abstract:
This work is aimed to assess the performance of two groups of students from colleges of Science, Education and Engineering on the understanding of electricity and magnetism concepts. To conduct this assessment, the Electricity and Magnetism Conceptual Assessment (EMCA) test was implemented twice as a pre-test and a post-test for two calculus-based physics-2 courses offered at the Sultan Qaboos University in Oman in the Spring & Fall 2019 semesters. These courses cover the topics of electricity, magnetism and partly thermal physics. The normalized gains for both groups of students are in the medium gain category. The performance of genders in the EMCA is not statistically distinguishable. The students’ misconceptions are identified and compared with those obtained elsewhere.
Frank Thompson
Published: 1 July 2022
Physics Education, Volume 57; https://doi.org/10.1088/1361-6552/ac65d2

Abstract:
An absorption line at 900 nm has been observed in Perspex. Samples of 1 and 2 cm thickness were used and the integrated absorption (line width times peak absorption) of the line was proportionate to the thickness. Facilities for lowering the sample temperature were not available and therefore both measurements were carried out at room temperature. A Red Tide spectrophotometer was used to measure this absorption. According to the Optics Group at National Institute of Standards and Technology, USA, the line can be assigned to the 3rd overtone CH stretch of the methyl and methylene group. The present result was compared with historic data for boron impurities in indium phosphide to demonstrate the versatility of this form of spectroscopy
Nuri Balta, Paul S W M Logman
Published: 1 July 2022
Physics Education, Volume 57; https://doi.org/10.1088/1361-6552/ac61ef

Abstract:
The purpose of this study is to develop a test to assess students’ level of counterintuitiveness in basic electric circuits. Data from four samples were gathered and used to develop and validate the counterintuitive basic electric circuit test (CBECT). The initial version of the CBECT was administered to the first sample and data collected from this sample were used for the pilot study. The aim of the data collected from the second sample was to comb out the items that were not counterintuitive. The data collected from the third sample were used for concurrent validity issues while data from the fourth sample was used for the test-retest reliability analysis. Finally, 26 items that can be used to determine counterintuitive cases in basic electric circuits at the high school level were constructed.
Published: 1 July 2022
Physics Education, Volume 57; https://doi.org/10.1088/1361-6552/ac65d1

Abstract:
It is proposed a network approach for electric circuits simplification, that through a unified systematic procedure allows simplifying circuits of any complexity, and evaluation of the equivalent resistances, capacitors and inductors. Circuits to be simplified are characterized by their nodes, and by the elements of different types (resistances, capacitors and inductors) connecting each pair of nodes. Once that information organized in the matrix form, circuit simplification is straightforward based on the simplification conditions, which are key elements of the proposed approach. Simplification process evolves eliminating nodes from the original circuit, node by node, and evaluating the equivalent element types connecting the remaining nodes, up to the required simplification level. The key elements of the simplification procedure are the same for all the element types. For circuits with elements of different types simplification can be made in a segregated way, each time for one element type, or simultaneously for all the element types. The simplification procedure can be used with pencil and paper, or easily programmed for automatic and fast circuits simplification. Use of the proposed approach is illustrated through some appealing examples.
A Hachmi, M El Hadi, R Essaadaoui, , A Ouariach,
Published: 1 July 2022
Physics Education, Volume 57; https://doi.org/10.1088/1361-6552/ac65d0

Abstract:
The Arduino board and its communication with several sensors are becoming more and more popular in the physical science community. They offer inspiring possibilities for learning different physical concepts. In this article, we focused on creating a very practical educational system for experimenting with diffraction of laser light and graphically visualizing the distribution of light intensity in space, which is impossible to perform it with the devices available in the educational laboratories of physics. The main elements of this configuration are the Arduino UNO microcontroller board, the BH1750 sensor and the NEMA17 motor and its A4990 driver. The results’ graph is displayed in real time on the computer using the Data Streamer add-in. We see that the abbreviated curve corresponds well to the theory. In addition, feedback from the participants in the test activity of the device showed that they were satisfied with its operation and its contribution to the understanding of diffraction. Therefore, we believe that the device presented can play a very important role in the diffraction phenomenon learning because of its high precision and reliability in the measurements.
J C Jones
Published: 1 July 2022
Physics Education, Volume 57; https://doi.org/10.1088/1361-6552/ac59cd

Abstract:
A numerical example for tutorial and possibly design exercise use is described which is concerned with the performance of household waste as a fuel in power generation.
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