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Fostering scientific methods in simulations through symbolic regressions 通过符号回归在模拟中培养科学方法
Q3 Social Sciences Pub Date : 2024-05-01 DOI: 10.1088/1361-6552/ad3cad
Fabio Llorella, José Antonio Cebrián, Alberto Corbi, Antonio María Pérez
Two-dimensional computer and tablet PC physics simulations have proved to be effective in helping students understand the fundamental principles of physics and related natural processes. However, the current approach to using these simulations tends to follow a repetitive cognitive and procedural pathway, regardless of the specific physical concepts being explored or software environment being used. This approach involves manipulating the simulation interface and collecting data through interaction with controls, widgets, or other contextual elements. Students then attempt to determine how these experimental measurements align with established laws, interactions, or mechanisms, as the teacher might have previously explained. We believe that this approach, while appropriate for education, obscures scientific processes, mainly related to the hypothetico-deductive model. To address this issue, we have developed a simple and adaptable computer environment that makes use of genetic algorithms (GAs) and symbolic regression to derive many of the basic laws of nature from the data collected by students using the popular physics education technology (PhET) simulations environment. Our proposal enables learners to observe how the order and relationships of mathematical tokens are routinely refined as new data points are added to the simulation setting. This iterative distillation technique can also be augmented with the interplay of dimensional analysis. In contrast with other more sophisticated artificial intelligence patterns, GA fit into the realm of grey box machine learning models. These type of evolutionary algorithms achieve the sought results by evolving mathematical models on each stage in an understandable way, which mimics the way scientific breakthroughs are accomplished (over the course of generations of researchers and based of prior knowledge). By implementing this innovative approach, we can provide students with a more authentic empirical experience that fosters a deeper understanding of the principles of science and scientific discovery. Field tests with students supporting this claim have also been carried out.
事实证明,二维计算机和平板电脑物理模拟能有效地帮助学生理解物理的基本原理和相关的自然过程。然而,目前使用这些模拟的方法往往遵循一种重复的认知和程序途径,而与所探索的具体物理概念或所使用的软件环境无关。这种方法涉及操作模拟界面,并通过与控件、小工具或其他上下文元素的交互来收集数据。然后,学生尝试确定这些实验测量结果如何与教师之前可能解释过的既定规律、相互作用或机制相一致。我们认为,这种方法虽然适合教育,但掩盖了科学过程,主要是与假设-演绎模式有关的过程。为了解决这个问题,我们开发了一个简单且适应性强的计算机环境,利用遗传算法(GA)和符号回归,从学生使用流行的物理教育技术(PhET)模拟环境收集的数据中推导出许多基本的自然规律。我们的建议使学习者能够观察到,随着新数据点被添加到模拟环境中,数学符号的顺序和关系是如何被不断完善的。这种迭代提炼技术还可以通过维度分析的相互作用得到增强。与其他更复杂的人工智能模式相比,GA 属于灰盒机器学习模型的范畴。这类进化算法通过在每个阶段以可理解的方式演化数学模型来实现所追求的结果,这模仿了科学突破的实现方式(经过几代研究人员的努力,并以先前的知识为基础)。通过实施这种创新方法,我们可以为学生提供更真实的经验,促进他们更深入地理解科学原理和科学发现。对学生进行的实地测试也证明了这一说法。
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引用次数: 0
Interdisciplinary approaches between physics and art using the example of optical experiments and artistic light installations 以光学实验和艺术灯光装置为例,介绍物理学和艺术之间的跨学科方法
Q3 Social Sciences Pub Date : 2024-05-01 DOI: 10.1088/1361-6552/ad40ee
Nathalie Wolke, Daniel Laumann, Yvonne Webersen
The disciplines of physics and art are often seen as antithetical in social and educational contexts. However, in recent years, STEAM education has promoted the collaboration of art and STEM. Linking the subjects together offers a wide range of learning opportunities. For example, the design of (video) light installations can develop both artistic and physical skills. Such a teaching approach allows to address different types of interests within the same lesson. In this article, two basic ways of meaningfully combining artistic and physical topics are presented: ‘STEAM design’ and ‘STEAM explanation’. The approaches are described using the example of teaching optics at secondary school level, but in principle they can be applied to other grade levels or physical subjects.
在社会和教育背景下,物理和艺术学科往往被视为对立的学科。然而,近年来,STEAM 教育推动了艺术与 STEM 的合作。将这两个学科联系在一起可以提供广泛的学习机会。例如,(视频)灯光装置的设计既能发展艺术技能,也能发展身体技能。这样的教学方法可以在同一节课中解决不同类型的兴趣问题。本文介绍了将艺术和物理主题有意义地结合起来的两种基本方法:"STEAM 设计 "和 "STEAM 解释"。本文以中学光学教学为例介绍了这两种方法,但原则上它们也可应用于其他年级或物理学科。
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引用次数: 0
Inquiry-based astronomy in West Java secondary schools 西爪哇中学的探究式天文学
Q3 Social Sciences Pub Date : 2024-05-01 DOI: 10.1088/1361-6552/ad3da7
Lia Laela Sarah, Aria Permana Judistira, Andi Suhandi, Nuryani Rustaman, Asep Kadarohman
This study investigates the presence and utilisation of inquiry-based activities in astronomy education within secondary science and physics classrooms. Employing document analysis, surveys, classroom observations, and interviews, the study comprehensively assesses the nature of inquiry activities, teachers’ experiences, integration of astronomy into curriculum, resources availability and science teachers’ perceived proficiency in astronomical observation skills. Findings from 50 secondary science and senior high physics teachers reveal coverage of the Solar System and Earth–Moon–Sun motion in secondary science, and integration of astronomy concepts like universal gravitation and Kepler’s laws into physics classrooms. However, inquiry-based astronomy teaching is limited, with only 10% of educators feeling proficient in telescope use and low adoption of virtual laboratories and simulations. The study underscores the necessity for adaptive inquiry-based activities in astronomy education to enhance science and physics classrooms, proposing direct and indirect celestial object observation, virtual inquiries, and hands-on simulations to bridge skill gaps and resource utilisation shortcomings, thus enriching astronomy education at the secondary level.
本研究调查了中学科学和物理课堂天文学教育中探究式活动的存在和利用情况。研究采用文件分析、调查、课堂观察和访谈等方法,全面评估了探究活动的性质、教师的经验、天文学与课程的整合、资源的可用性以及科学教师对天文观测技能的熟练程度。来自 50 位中学科学和高中物理教师的调查结果显示,中学科学中涵盖了太阳系和地月日运动,并将万有引力和开普勒定律等天文学概念融入了物理课堂。然而,以探究为基础的天文学教学却很有限,只有 10%的教育工作者认为自己能熟练使用望远镜,虚拟实验室和模拟的采用率也很低。研究强调了在天文学教育中开展适应性探究式活动的必要性,以加强科学和物理课堂教学,提出了直接和间接天体观测、虚拟探究和动手模拟,以弥补技能差距和资源利用方面的不足,从而丰富中学阶段的天文学教育。
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引用次数: 0
The internal resistance of a non-ideal inductor in an RLC series circuit at resonance RLC 串联电路中的非理想电感器在共振时的内阻
Q3 Social Sciences Pub Date : 2024-04-25 DOI: 10.1088/1361-6552/ad3da8
Ives Torriente-García, Francisco M Muñoz-Pérez, Juan C Castro-Palacio and Juan A Monsoriu
The measured voltage at the inductor in an RLC series circuit connected to a sinusoidal electromotive force depends on the current and the impedance. The latter does not only include the inductive reactance only but also the ohmic resistance of the inductor. This fact has a clear consequence on the result of the measurement as the measured voltage at the inductor is not in counterphase with the measured voltage at the capacitance as shown in theory where ideal inductors are usually considered. In this work, the resistance of a coil in an RLC circuit is obtained from the direct measurements of the phase of the voltage at the coil at resonance and the resonant frequency for different values of capacitance. This value is compared with the resistance of the coil determined directly with an ohmmeter. The agreement between both values is very good. The conventional signal generator has been replaced by a smartphone which is a very familiar device for the students. The smartphone can provide the necessary voltage supply for the experiment to be carried out successfully.
在连接正弦电动势的 RLC 串联电路中,电感器上测量到的电压取决于电流和阻抗。后者不仅包括电感电抗,还包括电感的欧姆电阻。这一事实对测量结果有着明显的影响,因为电感器上的测量电压与电容器上的测量电压并不像理论上通常认为的理想电感器那样是反相的。在这项研究中,我们通过直接测量不同电容值的谐振和谐振频率下线圈电压的相位,得到了 RLC 电路中线圈的电阻值。该值与用欧姆表直接测定的线圈电阻值进行了比较。两个值之间的一致性非常好。学生们非常熟悉的智能手机取代了传统的信号发生器。智能手机可以为实验的成功进行提供必要的电压。
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引用次数: 0
Illuminating dark matter: I. A guide for physics teachers 照亮暗物质:I. 物理教师指南
Q3 Social Sciences Pub Date : 2024-04-25 DOI: 10.1088/1361-6552/ad3d1f
Jorge Pinochet
One of the great mysteries of contemporary science is dark matter, an exotic substance of unknown nature that, in theory, makes up about 27% of the total mass-energy density of the Universe, and which does not appear to emit, absorb, or reflect any kind of light, meaning that it is invisible and can only be detected through its gravitational effects on objects around it. Dark matter is a frontier topic, involving highly complex subjects that usually exceed the training of a physics teacher. Given this difficulty, the aim of this paper is to shed some light on dark matter, and to offer a broad, up-to-date introduction that is mainly directed at physics teachers in training and in practice. Due to the breadth of the subject, the article has been divided into two parts. In Part I, we deal with general concepts, which serve as an introduction to the more specific topics analysed in Part II.
暗物质是当代科学的一大谜团,它是一种性质未知的奇异物质,理论上约占宇宙总质能密度的 27%,似乎不会发射、吸收或反射任何光,这意味着它是不可见的,只能通过它对周围物体的引力效应来探测。暗物质是一个前沿课题,涉及的学科非常复杂,通常超出了物理教师的培训范围。鉴于这一困难,本文旨在阐明暗物质的一些情况,并提供一个广泛的、最新的介绍,主要针对培训中和实践中的物理教师。由于这一主题的广泛性,本文分为两部分。在第一部分中,我们讨论了一般概念,作为第二部分分析的更具体主题的引子。
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引用次数: 0
Refractive index measurement using virtual—apparent image coincidence approach 利用虚拟显像重合法测量折射率
Q3 Social Sciences Pub Date : 2024-04-25 DOI: 10.1088/1361-6552/ad3ed7
Rawand H Abdullah
In this study, we explore novel approaches to determining the index of refraction for various mediums by leveraging virtual images. We introduce a simplified yet effective method that utilizes apparent object positions resulting from light bending in a medium. Our focus lies in measuring the refractive index of liquids without the need for a microscope, emphasizing the measurement of real and apparent depths through the coincidence of virtual and apparent images. Comparative analysis with established techniques reveals the precision of our results, with accurate determinations of object and image positions. Through the collection and graphing of paired data, we calculate the refractive indices of water, vegetable oil, and ethanol. Our findings underscore the significance of this scientific methodology, offering time-efficient, implementable, and easily comprehensible procedures. We posit that this study holds promise for educational applications at various levels. Moreover, we propose extending our methodology to transparent solid materials, thereby broadening its potential applications.
在本研究中,我们探索了利用虚拟图像确定各种介质折射率的新方法。我们引入了一种简化但有效的方法,利用光在介质中弯曲产生的视物体位置。我们的重点是在无需显微镜的情况下测量液体的折射率,强调通过虚拟图像和表观图像的重合来测量实际深度和表观深度。与现有技术的对比分析表明,我们的结果非常精确,能够准确确定物体和图像的位置。通过收集配对数据并绘制图表,我们计算出水、植物油和乙醇的折射率。我们的研究结果强调了这一科学方法的重要性,它提供了省时、可实施且易于理解的程序。我们认为,这项研究有望在各级教育中得到应用。此外,我们建议将我们的方法扩展到透明固体材料,从而扩大其潜在应用范围。
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引用次数: 0
Colour and temperature of the stars: a demonstration using Arduino 星星的颜色和温度:使用 Arduino 进行演示
Q3 Social Sciences Pub Date : 2024-04-25 DOI: 10.1088/1361-6552/ad3c89
Marcelo Dumas Hahn, Paulo Simeão Carvalho and Frederico Alan de Oliveira Cruz
Teaching the colour of stars is not as trivial as one might think. It can be challenging for students to grasp that the colour of stars follows a temperature sequence. This paper introduces a simple experimental setup for instructing the correlation between a star’s colour and its temperature. Furthermore, the experimental setup facilitates the exploration of the topic of colour addition, demonstrating to students how to replicate the colour of a star—a spectrum colour—by employing an RGB LED that emits only primary colours (red, green, and blue). The experiment utilised an Arduino microcontroller board in conjunction with RGB LEDs and an LCD display. The activity was conducted with 53 7th-grade students from a private school in Portugal results suggest a positive reception, indicating success in both motivational and cognitive aspects. The overall outcomes underscore the effectiveness of the activity in imparting new knowledge to students.
教授恒星的颜色并不像人们想象的那样简单。要让学生掌握恒星的颜色是按照温度顺序排列的,可能很有难度。本文介绍了一个简单的实验装置,用于指导学生理解恒星的颜色与其温度之间的相关性。此外,该实验装置还有助于探索颜色加法这一主题,向学生演示如何通过使用只发出三原色(红、绿、蓝)的 RGB LED 来复制恒星的颜色--光谱颜色。实验使用了 Arduino 微控制器板、RGB LED 和 LCD 显示屏。葡萄牙一所私立学校的 53 名七年级学生参加了这项活动。结果表明,学生们对这项活动反应积极,在动机和认知方面都取得了成功。总体结果凸显了该活动在向学生传授新知识方面的有效性。
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引用次数: 0
A new teaching-learning sequence to promote secondary school students’ learning of quantum physics using Dirac notation 利用狄拉克符号促进中学生学习量子物理的新教学序列
Q3 Social Sciences Pub Date : 2024-04-25 DOI: 10.1088/1361-6552/ad353d
Fabian Hennig, Kristóf Tóth, Moritz Förster and Philipp Bitzenbauer
This paper describes the design of a new teaching-learning sequence on quantum physics aimed at upper secondary school students. In this teaching-learning sequence, GeoGebra simulations and interactive screen experiments are used to investigate the behaviour of a single photon at beam splitter and single photon interference in a Michelson interferometer. We propose a minimal formalism using Dirac notation, which avoids complex numbers and elaborate vector calculus, to make a quantitative description of the quantum optics experiments accessible to secondary school students. With this new educational pathway, we take into account findings from physics education research, which suggest that the introduction of a mathematical formalism tailored to students’ abilities might help them to overcome naive-realist views of quanta or space-time descriptions of quantum phenomena, while at the same time facilitating a transition to a functional understanding of quantum models.
本文介绍了针对高中学生的量子物理新教学序列的设计。在这个教学序列中,我们利用 GeoGebra 仿真和交互式屏幕实验来研究单光子在分光镜中的行为和单光子在迈克尔逊干涉仪中的干涉。我们提出了一种使用狄拉克符号的最小形式主义,它避免了复数和复杂的矢量微积分,使中学生能够对量子光学实验进行定量描述。物理教育研究表明,引入适合学生能力的数学形式主义,可以帮助他们克服对量子或量子现象时空描述的天真现实主义观点,同时促进他们过渡到对量子模型的功能性理解。
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引用次数: 0
Illuminating dark matter: II. A guide for physics teachers 照亮暗物质:II.物理教师指南
Q3 Social Sciences Pub Date : 2024-04-25 DOI: 10.1088/1361-6552/ad3605
Jorge Pinochet
Dark matter is one of the great mysteries of contemporary science. In the first part of this work, we covered some general concepts that will serve as an introduction to the more specific topics analysed in this second part, such as the hypothetical particles that could constitute dark matter, and the experiments and detection techniques that have been implemented.
暗物质是当代科学的一大谜团。在本著作的第一部分,我们介绍了一些一般概念,这些概念将作为第二部分分析的更具体主题的引子,例如可能构成暗物质的假想粒子,以及已经实施的实验和探测技术。
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引用次数: 0
ChatGPT as a tool for honing teachers’ Socratic dialogue skills 将 ChatGPT 作为磨练教师苏格拉底式对话技能的工具
Q3 Social Sciences Pub Date : 2024-04-25 DOI: 10.1088/1361-6552/ad3d21
Bor Gregorcic, Giulia Polverini and Andreja Sarlah
In this proof-of-concept paper, we propose a specific kind of pedagogical use of ChatGPT—to help teachers practice their Socratic dialogue skills. We follow up on the previously published paper ‘ChatGPT and the frustrated Socrates’ by re-examining ChatGPT’s ability to engage in Socratic dialogue in the role of a physics student. While in late 2022 its ability to engage in such dialogue was poor, we see significant advancements in the chatbot’s ability to respond to leading questions asked by a human teacher. We suggest that ChatGPT now has the potential to be used in teacher training to help pre- or in-service physics teachers hone their Socratic dialogue skills. In the paper and its supplemental material, we provide illustrative examples of Socratic dialogues with ChatGPT and present a report on a pilot activity involving pre-service physics and mathematics teachers conversing with it in a Socratic fashion.
在这篇概念验证论文中,我们提出了 ChatGPT 的一种特殊教学用途--帮助教师练习苏格拉底式对话技巧。我们在之前发表的论文《ChatGPT 和沮丧的苏格拉底》的基础上,以物理系学生的角色重新检验了 ChatGPT 参与苏格拉底式对话的能力。虽然在 2022 年末,聊天机器人参与这种对话的能力还很差,但我们发现聊天机器人在回答人类教师提出的引导性问题方面取得了显著进步。我们认为,ChatGPT 现在有可能用于教师培训,帮助职前或在职物理教师提高苏格拉底式对话的技能。在这篇论文及其补充材料中,我们提供了与 ChatGPT 进行苏格拉底式对话的示例,并提交了一份关于职前物理和数学教师与 ChatGPT 进行苏格拉底式对话的试点活动报告。
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引用次数: 0
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Physics Education
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