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INDONESIA
Jurnal Riset Fisika Edukasi dan Sains
Published by STKIP PGRI Sumatera Barat
ISSN : -     EISSN : -     DOI : -
Core Subject : Science, Education,
Education Physics
JRFES is a media or forum to publish the research on physics research and physics education. JRFES is focused on publishing original research that have not been published anywhere. Issues published by JRFES cover the field of pure physics, it could also be about educational physics such as planning, implementation, and evaluation of Education and the field of physics.
Arjuna Subject : -
Articles 111 Documents
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DEVELOPMENT OF GENERAL PHYSICS MODULE INTEGRATED OF QURANIC VERSES TO DEVELOP THE RELIGIOUS CHARACTER OF STUDENTS AT ADZKIA UNIVERSITY
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 9, No 2 (2022): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2022.v9i2.6421

Abstract

Teaching materials in the form of general physics modules integrated with quran verses developed by lecturers can improve students' religious character. Type of research is development research with Four-D Model consisting of four main stages, namely: defining, designing, developing, and disseminating. The instruments used to collect data were expert validation sheets, module implementation observation sheets, student response questionnaires, and student character assessments. The results of this study showed that the developed module met the very valid criteria with a validity of 94. The average activity implementation was 1.57, which means that all activities were carried out properly. Response of student  about the module is known that the average practicality of the module is 91, which means the module is very practical. student character has an average core of 79 in the good category. Thus, the general physics module has been developed were valid and practical.
ANALISIS KEMAMPUAN BERPIKIR KRITIS PESERTA DIDIK PADA MATERI SUHU DAN KALOR
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 9, No 2 (2022): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2022.v9i2.5867

Abstract

In learning, the ability to think critically must be trained and familiarized. The goal is for learners to understand the concepts of science and not just remember formulas. Critical thinking is the ability to think with high curiosity about information to gain insights. The method used in this study is a qualitative descriptive method that aims to describe the critical thinking ability of students. the results showed that the critical thinking ability of students is still low, so they still have to be trained and familiarized. To help improve students' critical thinking skills, they can use the right learning models and learning methods.Keywords : critical thinking ability, learning model, learning method
PEMANFAATAN DAUN AKASIA (Acacia mangium) SEBAGAI SUMBER ENERGI ALTERNATIF PEMBUATAN BIO-BATERAI
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 9, No 2 (2022): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2022.v9i2.6433

Abstract

The purpose of this research is to use acacia leaves (Acacia mangium) as an alternative energy source for making bio-battery. Acacia leaves are compound leaves consisting of many leaflets that are located opposite each other. Acacia leaves contain saponins, tannins and phenols. This phenolic compound is an acidic compound that is included in the electrolyte that can generate electricity. Utilization of the content contained in acacia leaves can be a solution to create an alternative energy source that is environmentally friendly, namely bio-battery.  This research method is experimental and quantitative.  Parameters observed in this study are potential difference or voltage, battery current, and battery power. From the results of testing and observation, it is known that acacia leaf extract can be used as an environmentally friendly electrolyte in batteries by producing an average potential difference of 5.54 Volts, and an average current of 0.141 Amperes. This acacia leaf extract bio-battery can power the LED lamp for 216 hours and 25 minutes. With this research it is hoped that it can contribute to the development of environmentally friendly batteries to reduce B3 waste, along with the increasing need for batteries in the era of the industrial revolution 4.0. Keywords:Acacia mangium, bio-battery
THE INFLUENCE OF THE MAKE A MATCH LEARNING MODEL WITH QUIZ ON THE PHYSICS LEARNING OUTCOMES OF STUDENTS IN CLASS XI MIPA SMAN 1 SIBERUT UTARA
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 9, No 2 (2022): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2022.v9i2.6184

Abstract

The learning model that is applied is a model of making quizzes with matches. The purpose of this study was to see the effect of applying the make a match quiz model to the physical learning outcomes of students in class XI MIPA SMAN 1 Siberut Utara. This type of research is a quasi-experimental research with a posttest only control group design. The population of this study were students of class XI MIPA SMAN 1 Siberut Utara. Sampling was carried out using saturated sampling. Where all the population is sampled. Class XI MIPA 1 was selected as the experimental class and class XI MIPA 2 as the control class of the study. The instrument in this study was based on a final test in the form of essays and student observation sheets during learning at each meeting. Based on the data obtained, the average learning outcomes of the cognitive domain in the experimental class are 74.41, while the control class is 66.96, and the effective assessment of students during the learning process in the experimental class is an average of 89.06 and the control class is an average of 66.92. . Furthermore, from hypothesis testing using the t test, it is obtained that t_(count )= 1.34 and t_(table )= 1.6, because t_(count) < t_(table ) then H_1 is rejected. So it can be said that there is no influence of the learning model with the physics learning outcomes of class XI MIPA SMAN 1 Siberut Utara.
DESIGN AND DEVELOPMENT OF PHYDROMOD APPLICATION USING SCIENCE PROCESS SKILLS APPROACH AT IBNU SINA UNIVERSITY
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 10, No 1 (2023): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2023.v10i1.6360

Abstract

The purpose of this research is to develop a Phydromod product which is an android-based physics practicum e-module. This is because the physics practice courses at the Faculty of Engineering, Ibnu Sina University (UIS) has a fundamental obstacle, namely there is no fixed module that guides all students like other universities and high student mobility. The method used in this study is the Research and Development (RnD) method by following the ADDIE model for module and Waterfall for aplication. Phydromod was developed using the Java program, which will later contain practicum modules for each meeting. The subjects in this study were 1C Regular Industrial Engineering students. The evaluation was carried out using two questionnaires which were analyzed using a Likert scale, which consisted of a module validation questionnaire and the phydromod application. The results of this study are in the form of module products with a module validation value of 88 and 88.2% Phydromod implementation.Keywords: e-modul, physics, android, application
PENGARUH PAPARAN MEDAN MAGNET EXTREMELY LOW FREQUENCY (ELF) INTENSITAS 700µT dan 1200µT TERHADAP NILAI DERAJAT KEASAMAN (pH) DAN MASSA JENIS IKAN LEMURU (Sardinella lemuru)
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 10, No 1 (2023): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2023.v10i1.6556

Abstract

Medan magnet Extremely Low Frequency (ELF) termasuk ke dalam gelombang elektromagnetik yang memiliki besar frekuensi 0-300 Hz. Pada bahan pangan, pemanfaatan medan magnet dapat digunakan untuk ketahanan pangan. Ikan lemuru merupakan ikan yang cukup banyak dikonsumsi oleh masyarakat. Pada umumnya ikan lemuru akan bertahan kurang lebih 8 jam setelah tiba dari penangkapan. Tujuan dari penelitian ini yaitu untuk mengkaji pengaruh paparan medan magnet ELF terhadap nilai derajat keasaman (pH) dan massa jenis pada ikan lemuru. Desain penelitian yang digunakan yaitu Rancangan Acak Lengkap (RAL). Perlakuan paparan medan magnet Extremely Low Frequency (ELF) digunakan untuk meningkatkan ketahanan ikan lemuru melalui penghambatan bakteri pathogen. Sampel penelitian sejumlah 110 ekor ikan lemuru dan terbagi menjadi 5 kelompok. Satu kelompok sebagai kontrol, 2 kelompok eksperimen dengan paparan medan magnet ELF intensitas 700µT selama 60 menit dan 120 menit, serta 2 kelompok yang lain diberikan paparan medan magnet ELF dengan intensitas 1200µT selama 60 menit dan 120 menit. Variabel yang di teliti meliputi nilai pH dan massa jenis ikan lemuru. Pengukuran pH dan massa jenis dilakukan pada jam ke-8 dan jam ke-20 setelah pemberian paparan medan magnet ELF. Data hasil penelitian di analisis menggunakan analisis statistik, yaitu Uji Kruskall Wallis. Hasil penelitian ini menunjukkan bahwa intensitas 1200µT selama 60 menit efektif untuk mempertahankan nilai pH ikan lemuru, sedangkan intensitas yang efektif untuk mempertahankan nilai massa jenis yaitu 1200µT dengan lama paparan 60 menit dan 120 menit sampai jam ke-20.
Pengaruh Kadar Perekat Papan Komposit Tandan Kosong Kelapa Sawit pada Taraf Intensitas Bunyi
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 10, No 1 (2023): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2023.v10i1.6647

Abstract

Telah dilakukan pembuatan papan komposit dari campuran partikel Tandan Kosong Kelapa Sawit (TKKS) dan perekat PVAc berupa lem putih (fox). Penelitian ini bertujuan untuk menganalisis taraf intensitas bunyi serta sifat fisis dari papan komposit. Papan komposit dibuat menggunakan kadar perekat dengan variasi 8%, 10%, 12%, 14%, dan 16%. Pada pengujian taraf intensitas bunyi, frekuensi bunyi yang digunakan adalah 125 Hz, 250 Hz, 500 Hz, 1000 Hz, 2000 Hz, dan 4000 Hz. Berdasarkan hasil pengukuran taraf intensitas bunyi setelah melewati papan komposit, diperoleh taraf intensitas bunyi tertinggi pada kadar perekat 8% yang termasuk papan komposit berkerapatan rendah dengan nilai yang terukur oleh sound level meter sebesar 74,2 dB pada frekuensi 500 Hz. Sebaliknya, taraf intensitas bunyi terendah diperoleh pada kadar perekat 16% yang termasuk papan komposit berkerapatan tinggi dengan nilai yang terukur oleh sound level meter sebesar 58,6 dB pada frekuensi 125 Hz. Selain itu, hasil pengujian sifat fisis papan komposit untuk semua variasi kadar perekat yang memenuhi syarat SNI 03-2105-2006 yaitu kerapatan papan komposit dengan rentang nilai 0,705 g/cm3 - 0,723 g/cm3 dan kadar air papan komposit dengan rentang nilai 8,36% - 9,66%.
DEVELOPMENT OF PALM SHELL CARBON FOR PYSICS EKSPREIMENT TOOL
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 10, No 1 (2023): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2023.v10i1.6780

Abstract

Research on science experiment practicum media has been carried out. This research is a laboratory experimental research. The aim of the research is to see the absorption of palm shell carbon against electromagnetic waves (RAM). RAM using palm shell carbon will be applied to anechoich chambers in science experiment practicums. Research procedure: carbonized palm shells were then activated using HCl. Activation was carried out with concentrations of 1, 2, 3, 4 and 5 Molar. In addition to the differences in the concentration of the activation substance, variations in the thickness of the print resulting from the activation were also carried out. The thickness of the printed material varies from 4mm, 6mm, 8mm and 10mm. The results of reflection loss measurements using a Vector network analyzer (VNA) at a frequency of 4GHz - 8GHz show differences for each concentration. Maximum reflection loss of palm shells using 1M HCl activation agent (-13.72 dB); 2M (-13.62dB); 3M (-13.35 dB); and 4M (-13.04dB) and 5M (-11.4 dB) concentrations. Variations in print thickness also have a significant effect on the absorber value of a material, the thicker the print results, the absorber value also increases. From the observations that have been made, the maximum absorber value is obtained when the thickness is 10mm at a concentration of 1M for the substance being tested.
Physics Education Technology (PhET) as Confirmatory Tools in Learning Physics
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 10, No 1 (2023): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2023.v10i1.6815

Abstract

Teaching physics are always challenging tasks. Teachers need to be responsive to their students’ needs. The best tool to utilized is Physics Education Technology (PhET). PhET provides features that support learning and teaching physics, including testing. These feature can be expanded as confirmatory tools for students. To explore and compare the tests result between two groups of students, the quantitative experimental methods was applied. The first group took the test using graph paper and with confirmatory tools. The other group took the test without any tools. The students’ answer were graded using vector assessment rubric. The collected data were analyzed descriptively and using an independent sample t-test. The results showed that the group of students who use PhET simulation obtained significanly different results (ρ=0.000), with average score of 80.43, which was higher than other group (62.35). The effect size was approximately 1.07, which is much larger than typical sized effect. 
PENGEMBANGAN PERFORMANCE ASSESMENT PADA PRAKTIKUM FISIKA DASAR
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 10, No 1 (2023): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2023.v10i1.6805

Abstract

Fisika Dasar merupakan salah satu mata kuliah Program Studi Pendidikan Fisika di STKIP PGRI Sumatera Barat. Kuliah Fisika Dasar didukung dengan kegiatan praktikum untuk meningkatkan pemahaman mahasiswa terhadap materi yang telah disampaikan dalam perkuliahan. Maka untuk menunjang tercapainya kegiatan praktikum diperlukan penilaian. Dimana asesmen yang dikembangkan yaitu performance assesment diharapkan dapat menjadikan dosen untuk meningkatkan kualitas asesmen pada lab Dasar Fisika. Penilaian kinerja merupakan penilaian yang dilakukan dengan cara mengamati aktivitas siswa dalam melakukan sesuatu. Asesmen ini cocok untuk menilai pencapaian kompetensi yang menuntut mahasiswa melakukan tugas tertentu seperti praktikum sesuai dengan tuntutan silabus. Penelitian ini bertujuan untuk mengembangkan Performance Assessment pada latihan Fisika Dasar yang valid. Jenis penelitian yang digunakan adalah penelitian dan pengembangan dengan menggunakan model Plomp yang melewati tahapan: (1) penelitian pendahuluan, (2) tahap desain dan realisasi (tahap prototyping), dan (3) tahap uji dan penilaian). Pada tahap prototyping dilakukan penilaian kinerja desain pada lab Fisika Dasar. Penilaian kinerja yang telah dirancang kemudian divalidasi oleh 2 orang validator. Hasil validasi diperoleh 85,17 dengan kategori valid dan praktikalitas 81,81.

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