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Jurnal Pendidikan Fisika Indonesia
Published by Universitas Negeri Semarang
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Education,
Education Physics
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Articles 9 Documents
 1 
Search results for , issue "Vol 19, No 2 (2023)" : 9 Documents clear
Analyzing The Coin Demonstration of The Framework of Newton’s Second Law Küçüközer, H. A.; Küçüközer, H.
Jurnal Pendidikan Fisika Indonesia Vol 19, No 2 (2023)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v19i2.41802

Abstract

The study aim to show that some of the examples used in teaching Newton’s First Law in textbooks, academic studies, and platforms such as YouTube are in fact examples that comply with Newton’s Second Law. For this purpose, in the physics course, an easy-to-make "coin demonstration" from these examples was chosen. To get the data, a video of the demonstration was shot in slow-motion mode with a mobile phone. This recording was transferred to a video analysis program called Tracker and then the movement of the coin was analyzed in this program. First, the information about the coordinate planes, length, and mass required for the analysis was entered the program. Then, the position, velocity, and acceleration-time graphs of the object (coin) tracked in the uploaded video were obtained in detail. The result obtained from these analyzes is that the coin moves with acceleration. Based on this result, this study suggests that the coin example and similar examples are in accordance with Newton’s Second Law and that this should be especially considered in textbooks, academic studies, and on platforms such as YouTube.
A Study of Interest in Astronomy Among University Students in Malaysia Shaafi, N.F.; Yusof, M.M.M.; Ellianawati, E.; Aziz, S.N.A.
Jurnal Pendidikan Fisika Indonesia Vol 19, No 2 (2023)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v19i2.44240

Abstract

The misconception related to astronomy is fretfully rising in society. This study aims to investigate, (i) level of misconception towards astronomy among university students, (ii) significant difference in students’ interest towards astronomy between male and female, (iii) significant difference between science and non-science students’ level of knowledge in astronomy, (iv) significant relationship between students’ faculties and misconception in astronomy, and (v) significant relationship between the educational background of the respondents' parents and their misconceptions towards astronomy. A qualitative approach was implemented using a set of questionnaires for data collection. The respondents were undergraduate students of with different courses and backgrounds from four different faculties: Faculty of Education, Faculty of Pharmacy, Faculty of Art and Design, and Faculty of Business Management. The data were analyzed using Statistical Package for the Social Science (SPSS). Findings showed that there is a significant difference in students’ interest towards astronomy between male and female students, there is a significant different between level of knowledge in astronomy and students’ major course, there is significant difference between students’ faculties and misconception in astronomy, and there is no significant relationship between the educational background of the respondents’ parents and their misconception in astronomy. This study benefits society by clarifying phenomena, distinguishing myth from reality. It aids Science teachers in addressing astronomy misconceptions and helps educators curb their spread.
The Sound of G: A Method to Calculate The Acceleration Due to Gravity Using Acoustic Stopwatch Pacala, F. A.; Pili, U.
Jurnal Pendidikan Fisika Indonesia Vol 19, No 2 (2023)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v19i2.43066

Abstract

This paper explored to calculate the value of the acceleration due to gravity (g) by using primarily of balloons, mass hanger, an acoustic stopwatch of a smartphone. The acoustic stopwatch used is based on the PhyPhox mobile application. The independent variable was the drop height and the dependent variable is the recorded time. There were seven drop heights and time were recorded for each fall with three repetitions to reduce the error. The computed value of g was comparable to the average value of g of 9.81 m/s and the locally accepted value. The measure value of g is also similar to the findings of various literatures. This proved the ability of the application to measure the drop time with reducing random or systematic errors. The data gathered from this research has proven that simple mobile phone has now tremendous impact in the classroom experiments.  The students now can compute g more than visualizing it. The use of an acoustic stopwatch from a mobile phone in a physics experiment can be a great way for students to gain a better understanding of measuring and interpreting data accurately. The app makes it easier for teachers to demonstrate the concept of measurements and how to properly record them by using audio cues from the phone's built-in microphone.
Scientific Explanation of the Photoelectric Effect Using Common Objects Prayogi, S.; Silviana, F.; Zainuddin, Z.
Jurnal Pendidikan Fisika Indonesia Vol 19, No 2 (2023)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v19i2.40332

Abstract

In this study, a tool that can explain laboratory-scale photoelectric effect events was designed. So that having a tool that can explain the photoelectric effect will make it easier for users to study the nature of light as a particle. This tool is designed according to its function which will know that the photoelectric effect event is not affected by light intensity but is influenced by the frequency of a light source and the wavelength that shines on a metal so that electrons will move from a negative source towards a positive voltage source. A gadget for this experiment was built uses phototubes and cheap LEDs as light sources instead of traditional mercury lamps. Multiple LEDs operating in the wavelength range 470–631 nm can be used to measure the Planck constant to an accuracy better than 10%. By varying the intensity of the LEDs, it is possible to monitor the energy of the electrons and photocurrent with respect to the amount of light. The results show that the voltage applied to the photodiode leg (cathode) has a different value for each color spectrum and the output voltage obtained for each different wavelength, the less light intensity received by the photodiode, the smaller the output voltage value.
Physics Concept of High School Students in Northern Bone for Ad-vancing Songkok Recca Production Martawijaya, M. A.; Hasyim, M.; Musniar, A.; Zharvan, V.; Taqwin, M.
Jurnal Pendidikan Fisika Indonesia Vol 19, No 2 (2023)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v19i2.39916

Abstract

This research aims to determine the physics conceptions of high school students in Northern Bone in developing the production of Songkok Recca using an alternative material, water hyacinth fiber. This qualitative study focuses on a descriptive case, which is the students' perceived lack of conception. The subjects used are four individuals interested in physics and are familiar with the process of making Songkok Recca. The case occurs in the students' school environment, which is also the production site of Songkok Recca. Data collection techniques in this research include observation, interviews, and documentation. The research data is analyzed through several stages, namely data collection, reduction, presentation, and data verification. Based on the research findings and discussions, it can be concluded that the students lack physics conceptions. They are only able to express some physics concepts, while some students are not familiar with those concepts.Based on the research results, it can be concluded that the students lack physics conceptions. They are only able to express some physics concepts, and some students are not familiar with those concepts. Water hyacinth fiber is deemed suitable as an alternative material for making Songkok Recca based on feasibility tests. The average tensile strength of wet water hyacinth fiber is 20.808,74021 N/m2, while the average tensile strength of dry water hyacinth fiber is 841.418,2808 N/m2.
Design of Student Worksheet Teaching Materials for Viscosity of Biodiesel, Dexlite, and Pertamina Dex with Falling Ball Measurement Technique Lesmono, A. D.; Ramadhan, E. B.; Handayani, R. D.; Prastowo, S. H. B.
Jurnal Pendidikan Fisika Indonesia Vol 19, No 2 (2023)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v19i2.46714

Abstract

The lack of teaching materials use, especially in viscosity topics, has decreased students' knowledge and analytical skills in measurement. The research aimed to design a Student Worksheet (LKPD) for viscosity topics to assist and train students in measuring the viscosity of fluids. The fluids used in the experiment were biosolar, dexlite, and pertamina dex, considering that these fuels are among the most significant commodities and widely used in Indonesia. Additionally, the viscosity of diesel fuel is an important property affecting combustion and engine injection. This research employed a quantitative method using laboratory experiments to measure the viscosity values of biosolar, dexlite, and pertamina dex using the falling-ball method. The research findings were utilized to develop the LKPD teaching materials. The results showed that the viscosity values of biosolar fuel, dexlite, and pertamina dex were 3.651 cP; 3.579 cP; and 3.004 cP; respectively. These results differed slightly from the literature but were still deemed suitable for the LKPD teaching material design. The title of the LKPD teaching material used was "Viscosity of Biosolar Fuel, Dexlite, and Pertamina Dex Using the Falling-Ball Measurement Technique," and it followed the format of a cover, usage instructions, summary of the material, laboratory assignments, and questions.
Development of Knowledge Enrichment Digital Book of Tectonic Earthquake Serevina, V.; Zahra, S.; Lipikuni, H.F.; Maulana, D.
Jurnal Pendidikan Fisika Indonesia Vol 19, No 2 (2023)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v19i2.45767

Abstract

This research aims to develop a digital knowledge enrichment book about tectonic earthquakes. Useful for study concepts of waves, elasticity, and Hooke's law. This research method uses the ADDIE (Analysis, Design, Development, Implementation and Evaluation). The validation scores of material experts, learning experts and media experts are in the high category. This digital book has been tested on 49 physics students at San Pedro University, Kupang, Indonesia, and the results are positive. All respondents can enjoy reading this book, increasing their knowledge, and the contents of the book can be understood easily. The test results for this book received a very good assessment in the media aspect, formulating the main problem, revealing facts, choosing arguments logically, and detecting information bias in the book. All respondents were able to draw conclusions from the book and the book was not boring. So, this book can be used as an effective learning resource.
Enhancing Statistical Physics Learning: Rhetoric and Emotion in Moodle for Physics Education Erlangga, S. Y.; Winingsih, P. H.; Yektyastuti, R.; Poort, E. A.; Amrurrahim, A. N.
Jurnal Pendidikan Fisika Indonesia Vol 19, No 2 (2023)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v19i2.46090

Abstract

The Learning Management System in science education has become crucial in modern educational settings. However, there is a lack of comprehensive resources to guide the implementation of hedonic and pragmatic qualities in UX. This study aims to identify emotional design factors and adopt an innovative perspective with a rhetorical approach to enhance the user experience.  This study adopts the Design-Based Research methodology using the UEQ questionnaire with 26 items, involving a total population of 122 students. Conducting research through a User Experience Questionnaire, rhetorical evaluation, and open-ended questions in three control groups, the physics learning experience through Moodle at the Sarjanawiyata Tamansiswa University was evaluated, specifically in the Physics Education study program. The research findings demonstrate that improving UX leads to higher user satisfaction. According to the results of the UEQ analysis, it is evident that attractiveness, clarity, and efficiency are rated above average. Meanwhile, aspects of dependability, stimulation, and novelty are assessed below average criteria. The study concludes that ethos, pathos, and logos are essential in embracing the pragmatic and hedonic aspects of UX.
Development of PJBL-Based Physics Edu Media to Improve The 21st Century Learning Skills of High School Students Paminto, J.; Yulianto, A.; Linuwih, S.
Jurnal Pendidikan Fisika Indonesia Vol 19, No 2 (2023)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v19i2.44703

Abstract

The purpose of this research was to create physics teaching resources that would enhance students' 21st century skills in renewable energy. The RD approach was used in conjunction with data collection methods including both test and non-test modes. This study involved three validators who assessed the learning materials from the perspectives of both material and media aspects. According to the assessment results, the material aspect received a rating of 'very good,' whereas the media aspect scored 'good.' The enhancement of 21st century learning competencies was gauged through pretest and posttest evaluation, revealing a rise in critical thinking, creativity, communication, collaboration, use of ICTs, as well as life and career skills. The study determined that the PjBL-Based Physics Edu learning materials could serve as a reliable instructional tool for teaching renewable energy topics with moderate effectiveness.

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