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INDONESIA
Jurnal Pendidikan Fisika Indonesia
Published by Universitas Negeri Semarang
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Education,
Education Physics
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Articles 553 Documents
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Application of Induced Polarization and Resistivity Methods to Identify Subsurface Layers in Bauxite Deposits Area of Kendawangan, West Kalimantan Muhardi, M; Anwar, M; Kaharudin, K
Jurnal Pendidikan Fisika Indonesia Vol 18, No 1 (2022)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v18i1.29230

Abstract

Kendawangan Sub-district, Ketapang Regency is one of the areas in West Kalimantan Province containing minerals of economic value, namely bauxite deposits. This study has applied both induced polarization and resistivity methods. It aims to identify subsurface layers in the Kendawangan bauxite deposit area based on resistivity and chargeability distribution. Measurements in the field apply a north-south line using the dipole-dipole configuration, have a length of 144 m, and electrode distance of 3 m. The results showed that the subsurface layer in the study area identified the presence of bauxite deposits. In addition, it showed that the subsurface layers were topsoil, bauxite deposits, saprolite, and bedrock. Topsoil has a thickness of about 1 m, and it is a product of the weathering process. The bauxite deposit has a thickness of about 9 m, and it contains the minerals aluminum oxide, quartz, hematite, and titanium oxide. Saprolite has a thickness of about 2 - 4 m, and it contains aluminum silica (kaolinite) and minerals quartz, titanium oxide, zircon, and it is a weathering product of bedrock. The bedrock is at a depth of more than 10 m, which is interpreted as volcanic tuff, sandstone, and claystone.                             
Develoment of The Computer Simulation of Oscillation in Physics Learning Sumardi, Y; Amalia, A F; Prabowo, U N
Jurnal Pendidikan Fisika Indonesia Vol 18, No 1 (2022)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v18i1.29040

Abstract

The simplest mechanical system that shows such motion oscillation is a simple pendulum, which consists of a mass suspended from a rope, so that it can swing freely in response to the force of gravity. This teaching material is in the Fundamental Physics subject. Other teaching materials related to oscillation motion are simple linear harmonic oscillations.  This research aimed to develop the computer simulation of oscillation in physics learning by using MATLAB. The use of simulations within teaching process had a positive impact on students’ being able to predict and explain the phenomena. It also designed to provide possibility to explore physics phenomenon which cannot be realized in school conditions.  The simulation can direct the student to reveal the existence of equilibrium between the two sides of an equation rather than causal relations. The research method used was Research and Development (RD) developed by Borg Gall (1983) for developing educational products. They are the pre-product form was developed by creating computer programs based on algorithms, validation through forum group discussion carried out by several lecturers to provide validation of the pre-product, major product revision, the pre-trial by 10 students, operational product revision, the operational product trial carried out by a class of students at the computer laboratory, final product revision, and dissemination.The steps were research and information collection, planning, develop a preliminary form of product, preliminary testing, main product revision, main field testing, and operational product revision. In the step of the main field testing, it was applied to the class of students. The 33 students and 6 lecturers were asked to respond about it.  A qualitative test review was conducted through expert judgement for validation. They provided an assessment of suitability between the item with the indicator in the form of a Likert scale with five answer options. Based on expert judgment realated to the feasibility of the test, V Aiken index is also calculated. The data analysis techniques were descriptive analysis conducted using Micros oft Excel and continued by looking for effective constributions to the relationship of each independent variable to work readiness. According to the statements of questionnaire given from the lecturers, the computer simulation of oscillation felt into a good and very good category. Meanwhile, the students’ responses showed that it was fair, good, and very good. The oscillation simulation software developed has good criteria and is suitable for use in learning oscillation systems. The benefit of this research is to determine the form of the wave propagation simulation and its superposition which later can be used for physics research and suitable for students to learn physics.
Science Process Skills and Critical Thinking Ability Assessed from Students' Gender Darmaji, D; Astalini, A; Kurniawan, D. A.; Putri, W. A.
Jurnal Pendidikan Fisika Indonesia Vol 18, No 1 (2022)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v18i1.30534

Abstract

Science process skills and critical thinking are skills that are very important and must be possessed by students in the 21st century. The purpose of this study is to determine the scientific process and critical thinking skills in terms of gender and see whether there is a relationship between science process skills and critical thinking skills. student. This is because the researcher wants to see a comparison of the abilities of male and female students. This research is a type of quantitative research with a research design. The population of this study were students of SMAN 6 Batanghari and the samples used were students of class A and class B, totaling 80 students with a ratio of 50 female students and 30 male students. The sampling technique used is simple random sampling with the criteria of students who are in Accredited Schools A and Class XII students who have studied the latest direct material. The search instrument used was an observation sheet and a critical reflectance test sheet. The data analysis used is descriptive statistical analysis and deductive analysis. Based on the results obtained, it can be concluded that the science process skills and critical thinking skills of female students are higher than male students. besides that there is a high and positive relationship between students' critical thinking skills and students' critical thinking skills. Based on these results, this research can be useful for teachers, namely so that teachers can carry out learning that can develop and improve science process skills so that students' critical thinking skills can also increase. In addition, the benefits for students themselves are so that students are accustomed to using skills in the learning process and can provide critical solutions in solving problems.
Analysis of Science Process Skills Based on Programme for International Student Assessment Test and Observation Instruments of Senior High Schools Agustiani, E; Aminah, N. S.; Suryana, R.
Jurnal Pendidikan Fisika Indonesia Vol 18, No 1 (2022)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v18i1.29434

Abstract

This research aims to figure out the students' Science Process Skills (SPS) using problem tests of Programme for International Assessment (PISA) and observation instruments in Senior High School at Bojonegoro Regency. This work is descriptive research. As research subjects, 100 students in the eleventh grade were chosen randomly from three schools in 2019/2020. The Pisa test consists of 6 questions that have aspects of SPS: measuring, applying concepts, inferring, and predicting. The problem tests of PISA resulted that 36% of students attained scores above 60. Furthermore, students’ percentage could complete the measuring aspects, predicting aspects, applying concepts, and the inferring aspects were 64%, 38%, 36%, and 42%. Students’ percentage based on observation instruments' results were predicting 52%, applying concepts 43%, measuring 48%, inferring 46%, experimenting 0%, asking question 23%, classifying 37%, communicating 28%, and observing 55%. These are beneficial for teachers to improve the learning process according to student needs.
Development of Physics Demonstration Videos on Youtube (PDVY) as Physics Learning Media Irvani, A I; Warliani, R
Jurnal Pendidikan Fisika Indonesia Vol 18, No 1 (2022)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v18i1.26723

Abstract

The availability of physics demonstration videos relevant to curriculum needs is still limited. The aims of this study were (1) to develop physics learning media in the form of demonstration videos; (2) testing the feasibility of using demonstration videos as a medium for learning physics; and (3) knowing student responses to demonstration videos. The name of this demonstration video is Physics Demonstration Videos on YouTube (PDVY). This video is available on the PDVY Indonesia YouTube channel with open access. This research uses research and development methods. The steps for making this demonstration video consist of analyzing the core standards and competency standards of physics subjects, designing storyboards, taking pictures, editing, initial testing, revising initial test results, field trials and revising the results of field trials. The trial was conducted on 129 high school students in Garut, Indonesia. The results showed that (1) the physics demonstration video was composed with input from the validator, two physics lecturers, and two physics teachers; (2) the demonstration video is suitable for use as a physics learning medium from the material and media aspects; and (3) excellent response from high school students and teachers. Based on the validation of both the content validator and the media validator, it shows that the design of the parabolic motion demonstration video is very valid. The benefit aspect gets the highest score. This shows that the video developed has a high use value in the learning process.                                                                                         
Development of Mathematical Physics 1 Module Based on Problem Based Instruction Yanti, I R; Trisna, S; Ramli, R; Usmeldi, U
Jurnal Pendidikan Fisika Indonesia Vol 18, No 1 (2022)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v18i1.30162

Abstract

Mathematical Physics I is one of the courses that train students to think critically and creatively in the learning process. Therefore in this research developed a teaching material in the form of modules based on Problem Based Instruction (PBI). The module began with introduce students to a contextual problem that later ended with the presentation and analysis of student work. This type of research is the development of research using a stage model of Plomp, namely: (1) preliminary research, (2) prototyping phase, and (3) assessment phase.The research subjects involved lecturers and students from two campuses, namely Universitas Negeri Padang and STKIP PGRI West Sumatra. The research data was obtained through the validation sheet of modules that look at the feasibility module by module construction, content and the language used. Item analysis was conducted by using qualitative and quantitative analysis.Based on the results of the validation, results showed that the modules are very valid and ready for trial eligibility to students. Modules that are designed are categorized as very valid with a value of 84.66 and very practical with a practical value of 83.05.This result indicate that developmentof Mathematical Physics I module based on the Problem Based Instruction learning model can be used by students and lectures in learning process.
Development of Interactive Learning on Electric Charge Materials for Deaf Students Nurkholifah, I Y; Mindyarto, B N; Astuti, B
Jurnal Pendidikan Fisika Indonesia Vol 18, No 2 (2022)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v18i2.28332

Abstract

This study aims to develop learning media in the form of interactive videos and analyze the effectiveness of interactive science videos for deaf students. The method used is Research and Development by Sugiono, 2009. The subjects of this research trial were SMALB N Tegal students consisting of 8 students for small-scale trials and large-scale trials 10 students at SMALB N Semarang and SMALB Swadaya Semarang. the feasibility of the overall display as well as the content of the material and questions to measure the effectiveness of the learning media. The data analysis used was qualitative descriptive analysis and validated as well as video effectiveness analysis.Based on the data analysis of the validation results, it was shown that 73.75% was categorized as feasible and could be used in learning. The effectiveness data were analyzed using effect size and obtained a score of 2.16 on a small scale and 2.09 on a wide scale in the large category. Based on the results of the study, the media developed was suitable for use in the SMALB science learning process for deaf students.
The Development of Creative Thinking Test Instruments with Torrance Indicators on Direct Current Electricity Materials Tanjung, Y I; Nasution, I R
Jurnal Pendidikan Fisika Indonesia Vol 18, No 2 (2022)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v18i2.32117

Abstract

Direct current electricity matter is one of the many physics subjects containing concepts, principles and applied electricity where many problems can be solved with multiple solutions. Efforts to solve problems with multiple solutions and ideas can build students’ creative thinking. So this study aims to develop test instrument for creative thinking on Direct Current Electricity that meets the criteria for a good test instrument including validity, reliability, level of difficulty, discriminating power, and student responses. This type of research is Research and Development (RD) with a modified Borg Gall model consisted of research and information collecting, planning, develop preliminary form of product, preliminary field testing, main product revision, main field testing and operational product revision. Based on data analysis from the aspect of content validation of the test instrument by experts, seven valid items were obtained from the eight questions developed. Based on field testing, it was obtained that the reliability was in high category. In the aspect of difficulty level, the five questions are in easy category and two questions are in medium category. The distinguishing power of this test instrument is in the range of bad category, sufficient category, and good category. The results of the response test showed that respondents agreed that this test instrument was categorized as good to use. Overall, the results of the study indicate that the test instrument has met the requirements of a good test including validity, item analysis and response testing. Thus, the test instrument is feasible to train and measure students’ creative thinking. 
Development of Learning Media using Powtoon Application on Liquid Pressure Topic Rasid, R; Paramata, P; Yunginger, Y; Odja, O; Bouty, B; Setiawan, S
Jurnal Pendidikan Fisika Indonesia Vol 18, No 2 (2022)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v18i2.36839

Abstract

A valid, practical, and effective cartoon-based learning media on liquid pressure material has been developed by employing the Powtoon application and using Four-D (4D) stages. Expert validity and empirical validityof the media achieved an average score of 3.94 and 3.84 respectively with very valid criteria. The test instrument validity score was 3.37 with valid criteria. Supporting data for implementation is obtained using several instruments. The learning implementation observation sheet is used to observe teacher activity in the classroom; student responses were collected through questionnaires; and student activity is observed through the observation sheet. The practicality quality of teaching materials is obtained a percentage of 100% with very good criteria. The student responses to indicators of learning motivation with a percentage of 86.7%, indicators of ease and satisfaction of learning with a percentage of 84.7, learning innovation indicators with a percentage of 87.8%, and learning achievement indicators with a percentage of 89.2%. The effectiveness of the teaching material was obtained from observing student activities with a percentage of 86% in meeting I and of 88.7%% in meeting II. The student’s competency C2 (describing) achieve a percentage of 88.7%, C3 (applying) with a percentage of 81.75%, C4 (analyzing) with a percentage of 93.25%, and C5 (proving) with a percentage of 73%, all in good criteria. Learning outcomes in classical completeness obtains a percentage of 93.3%. It can be concluded that learning media in the form of teaching materials using the Powtoon application has the potential to increase students' understanding of concepts.
High School Students' Comprehension of Kinematics Graphs wıth Peer Instruction Approach Gok, T; Gok, O
Jurnal Pendidikan Fisika Indonesia Vol 18, No 2 (2022)
Publisher : Department of Physics, Faculty of Mathematics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jpfi.v18i2.35028

Abstract

The present study investigated the effects of the peer instruction approach on high school students' kinematics graphs interpretation skills and understanding of kinematics graphs. The study was conducted with 65 high school students from two groups. The first group was the experimental group and the second group was the control group. 32 students of the experimental group were taught using the peer instruction approach while 33 students of the control group were taught using the conventional teaching method. The data of the study were collected with the Test of Understanding Graphs in Kinematics. The results of the study showed that the peer instruction approach had a more positive effect on students' kinematics graphs interpretation skills and understanding of kinematic graphs than the conventional teaching method. In addition, there was a reasonable change in students' understanding of graphs and graphical thinking processes in the experimental group The students' understanding of graphs and graphical thinking processes did not change significantly in the control group. The results of the study revealed that the peer instruction approach can be used with little effort to assess and improve high school students' academic achievement in physics classes.

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