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Physics Education Research Journal
Published by Universitas Islam Negeri Walisongo Semarang
ISSN : 26856190     EISSN : 27147746     DOI : 10.21580/perj
Core Subject : Science, Education,
Education Physics
Physics Education Research Journal (PERJ) publishes original manuscripts by researchers, lecturers, teachers, practitioners, and academicians related to physics and physics education. Articles that are integrated Unity of Sciences (local wisdom and enriched with the principal of religion and culture) will be prioritized. This journal is a peer-reviewed and open acces journal, which is biannually published by Faculty of Science and Technology, Universitas Islam Negeri Walisongo Semarang.
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 7 Documents
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Search results for , issue "Vol. 5 No. 1 (2023)" : 7 Documents clear
E-module Newton's Law of Gravity based Guided Inquiry to Train Critical Thinking Skills Sari, Deswita Elliya; Herlina, Kartini; Viyanti, Viyanti; Andra, Doni; Safitri, Ida
Physics Education Research Journal Vol. 5 No. 1 (2023)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2023.5.1.11657

Abstract

The study aims to develop an electronic module based on guided inquiry on Newton's law of gravity material that is valid, practical, and effective. The developed e-module aims to practice critical thinking skills in physics learning. This development research uses the ADDIE development method which consists of five steps, namely analysis, design, development, implementation, and evaluation. Student response questionnaires to guided inquiry e-modules and tests of critical thinking skills became research instruments. Data analysis presented with quantitative descriptive. The product validity was assessed by 3 experts with an average score of 3.63 with category very valid. The practicality of the product consisted of readability which was tested on 15 high school students in Grade X and the teacher's perception of the suitability of guided inquiry-based learning activities in e-modules by obtaining an average percentage of 90% in the category very practical. The effectiveness of the product is assessed based on students' responses of critical thinking skills are improve after using the e-module by obtaining a product effectiveness percentage of 87% with category very effective. Student response questionnaire showed a positive response to the developed e-module. Based on the analysis of the research results, it is stated that the guided inquiry-based e-module on Newton's law of gravity is valid, practical, and effective for practicing critical thinking skills.
Design of Thermoelectric Peltier Effect Demonstrator using Modul TEC-12706 and TEG-SP1848 Pratama, Fachrizal Rian; Saraswati, Vierta
Physics Education Research Journal Vol. 5 No. 1 (2023)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2023.5.1.12552

Abstract

Thermoelectric devices have several advantages, including no moving parts, noise-free operation, long service life, zero-emission, and precise temperature control. Therefore, they have been widely used in solid-state cooling, heating, and power generation. The study of the Thermoelectric Peltier Effect Demonstrator can provide insights into the potential applications and benefits of thermoelectric devices. This research aims to investigate the Thermoelectric Peltier Effect Demonstrator and its applications in solid-state cooling and heating. Specifically, the study aims to examine the Peltier effect generated by applying an electric current to the TEC-12706 and TEG-SP1848 modules connected to a heatsink and placed in a container filled with water. The research methodology involves conducting experiments using the Thermoelectric Peltier Effect Demonstrator. The modules are connected to the heatsink and placed in a water-filled container, and an electric current is applied to generate the Peltier effect. The temperature changes on both sides of the modules and the amount of heat transfer are measured and recorded. The results of the experiments show that the Thermoelectric Peltier Effect Demonstrator can effectively generate the Peltier effect and produce temperature differences between the two sides of the modules. The amount of heat transfer can also be controlled by adjusting the electric current. These findings demonstrate the potential applications of thermoelectric devices in solid-state cooling and heating, as well as their ability to provide more precise temperature control compared to conventional compressors.
Design and Validity of Interactive Multimedia Based on Cognitive Conflict Using Adobe Animate CC on the Concept of Circular Motion Suhadah, Olivia; Mufit, Fatni
Physics Education Research Journal Vol. 5 No. 1 (2023)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2023.5.1.12773

Abstract

High school students' understanding of circular motion material is still low. One solution to this problem is to design interactive multimedia based on the cognitive conflict in the theory of circular motion to enhance the conceptual understanding of high school students. This study aims to determine the characteristics and validity of interactive multimedia based on cognitive conflict. The research follows the development research approach using the Plomp model. This study is limited to the preliminary study phase and the development phase, up to the validity test through expert review. The learning instruments include journal analysis sheets, teacher questionnaires, self-evaluation sheets, and expert review sheets. Data were analyzed using the percentage technique and the V-Aiken formula. The introductory study identified several issues in teaching circular motion, such as low understanding levels, teacher-centered physics instruction, lack of experimental activities, and a lack of interactive multimedia teaching materials. During the development stage, multimedia was designed with the following characteristics: the use of Adobe Animate CC 2019 application to support interactivity through students' smartphones. The multimedia was also structured according to the four learning model syntax based on cognitive conflict (CCBL model). The results of the self-evaluation test met the criteria for a very good rating, while the expert review test indicated a valid category. It can be concluded that the cognitive conflict-based interactive multimedia on circular motion material is valid and can proceed to the practical and effective testing stage.
The Effect of Using Context-Based Learning Videos on Global Warming Materials on Students' Problem-Solving Skills Tamrin, Husni; Desnita, Desnita
Physics Education Research Journal Vol. 5 No. 1 (2023)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2023.5.1.13082

Abstract

This study purpose was seen what there were effect of using context-based learning videos on global warming material on the problem solving students abilities of class XI at MAN 2 Pesisir Selatan. This research is a quasi-experimental research, posttest-only control design. The study population was all class XI IPA MAN 2 Pesisir Selatan who are registered in 2021/2022 school year. Sampling was conducted using cluster random sampling technique, selected class XI IPA 1 and XI IPA 3 as sampling. The data of this research is score of students' ability of problem solving. The research instrument was a written test in consist of 7 essay questions. Data analysis was carried out using the Normality Test, Homogeneity Test and U-test. The normality test, it was found that the experimental class was normally distributed while the control class was not normally distributed. The homogeneity test of the two sample classes shows that the two sample classes do not have a homogeneous variance.  The results showed that the average problem-solving ability of the group for experimental was greater than the group for control. Using the U test (Man Withney) with a level of significance was 5%, the score of Zcount>Ztable is obtained. The results of the various problem solving abilities of each student could be identified. The average score of problem solving abilities in the experimental class was 90.48 while for the experimental class it was 76.06. This shows that the students' problem-solving abilities for the experimental class are higher than those for the control class. It can be concluded that there is an effect of using context-based learning videos on global warming material on the abilitiy of problem-solving in class XI students of MAN 2 Pesisir Selatan.
Effect of Molarity on Double Layer Photocatalytic Activity ZnO/ZnO:Ag for Metanil Yellow Degradation Anggita, Sheilla Rully; Kusuma, Hamdan Hadi; Sumarti, Heni; Teke, Sosiawati
Physics Education Research Journal Vol. 5 No. 1 (2023)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2023.5.1.13301

Abstract

Double layer (DL) ZnO/ZnO:Ag has been synthesized with variations in molarity of 0.1, 0.3, 0.5,  and 0.7 M and its application as a degrading agent for methanil yellow dye. This study aims to determine the effect of the molarity of the DL ZnO/ZnO:Ag on crystallinity and photocatalytic activity for methanil yellow degradation. DL ZnO/ZnO:Ag was synthesized using sol-gel technique and deposited with spray coating technique. The results of DL ZnO/ZnO:Ag were characterized by XRD to determine the crystallinity and particle size. The photocatalytic activity was carried out by immersing the DL ZnO/ZnO:Ag layer in 10 ppm methanil yellow solution and irradiating it with UV light for 4 hours and then tested using UV-Vis spectroscopy to get the percentage of methanil yellow degradation. The results showed that the crystallinity of the DL ZnO/ZnO:Ag for all molarity variations had a hexagonal wurtzite structure. Grains size increase as molarity increases from 0.1 to 0.5 M. However, if the concentration continues to be increased to 0.7M, the grain size decreases. Photocatalytic activity is increasing every hour, as indicated by the increasing percentage of degradation. Precursor in 0.5 M has the maximum percentage of degradation is 25.32%.
Changes in Students' Cognitive Structure on the Concept of Diffraction and Light Interference Using PhET Virtual Simulation Syifa, Almira; Darma Putra, Ngurah Made; Darsono, Teguh; Rohim, Ahmad Minanur
Physics Education Research Journal Vol. 5 No. 1 (2023)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2023.5.1.13658

Abstract

The concept of diffraction and interference of light is one of the abstract concepts of physics. The process of light diffraction and interference occurs in the abstract. Learning about diffraction and light interference requires media that represent the events. Cognitive structures can represent the quality of students' understanding. Learning Physics is easier to understand through direct experience in the form of practicum. Abstract Physics concepts will be easier to learn with the appropriate visualization. One of the virtual practicums' media uses PhET virtual simulations to improve students' cognitive structure is measured using concept map questions and supported by description questions. The purpose of this research is to increase the cognitive structure of students by using PhET. This research is quantitative research and the experimental design used the experiment method. There are three groups in the experiment, that is a virtual simulation, a real practicum as an experiment class, and a control class. The results of the one-way ANOVA test on the concept map questions showed a significance value (p) <0.05, meaning that there were differences in cognitive structure between groups. The significance value (p) between the virtual simulation group and the real practicum group was 0.014, while the significance value between the virtual simulation group and the control class was 0.00, meaning that there was a significant difference in learning effectiveness between groups. Based on the data of the research concluded that physics learning assisted by virtual simulations can develop students' cognitive structures on the concepts of diffraction and light interference.
Implementation of Probolinggo Local Wisdom-Based Problem-Based Learning Model to Improve the Science Literacy Skills of High School Students Arrafi, Wadhifah Qiyyamul Lailli; Wasis, Wasis; Ningsetyo, Maya; Amiruddin, Mohd Zaidi Bin; Desysetyowati, Novita; Sunarti, Titin
Physics Education Research Journal Vol. 5 No. 1 (2023)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2023.5.1.14285

Abstract

The characteristics of learning in the 21st century are directed at encouraging students to work together, be communicative, think creatively, think critically, think computationally, and have compassion. This study aims to apply a problem-based learning (PBL) model based on Probolinggo local wisdom to improve students' scientific literacy skills. The type of research used is quasi-experimental and uses a Nonequivalent Control Group Design. The type of research used is quasi-experimental and uses a Nonequivalent Control Group Design. This study used two class samples, namely class XII MIPA 1 as a class that will be given treatment (experimental) while class XII MIPA 3 as a class that is not given treatment (control). The Probolinggo local wisdom-based PBL model becomes the independent variable in this study. The dependent variable in this research is students' scientific literacy skills. The control variables in this study were the teachers or researchers, the number of students taught (sample), and the learning materials for dynamic fluids. This research obtained valid learning tools with a validity level of 89.2%. The level of implementation of learning is 94%. Applying learning to apply Probolinggo local wisdom-based PBL model effectively increases students' scientific literacy abilities. This was obtained from the results of the independent-sample T-test, showing that the significance value is 0.000, which is less than 0.05. An increase was seen from the N-Gain test, obtained 0.60 in the class that was given the treatment, while 0.05 in the class that was not. In the future, learning based on Probollinggo's local wisdom can be developed in dynamic fluid learning and linear material learning.

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