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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 130 Documents
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Pembelajaran Inkuiri Terbimbing Berbantuan Alat Peraga Konstanta Pegas Digital untuk Meningkatkan Keterampilan Generik Sains Nur Khoiri; Choirul Huda; Hadhijah Assegaf
Physics Education Research Journal Vol 2, No 2 (2020)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2020.2.2.6088

Abstract

The research purpose is explored the effect of guided inquiry learning with digital spring for science generics skills. The subject of research are 70 student in XI MIPA SMAN 11 Semarang consisting of 35 students in the experimental group and 35 students in the control group. Design study uses Quasy Experiment Design, the type to be used is Nonequivalent Control Group Design. Data collection techniques through observation and questionnaire with a Likert scale. The results of data analysis from observation sheet on average experiment class = 3,22 and the average control class = 2,93. This study uses independent sample t-test show tcount ttable  that is  3,76 1,99 interpreted tcount ttable then Ho rejected Ho and accepted Ha. Based on the result of this research, it can be concluded that guided inquiry learning digital spring constant give positive influence to science generic skill student in SMAN 11 Semarang. Students' generic science skills were better after the implementation of guided inquiry learning assisted with teaching aids.
Asesmen Multi Representasi Berbasis Keterampilan Abad Ke-21 pada Materi Gerak Lurus Ellianawati Ellianawati; Siti Mufiatunnikmah; Natalia Erna Setyaningsih; Bambang Subali
Physics Education Research Journal Vol 2, No 1 (2020)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2020.2.1.5038

Abstract

This study aims to determine the quality figures of 21st century-based multi-representation assessments on linear motion material. Type of this research is Research Development (RD). Data were analyzed using an assessment validity test by an expert and empirical assessment quality test to obtain quality figures in the form of validity, reliability, level of difficulty, and discrimination power. The results of the preliminary field testing analysis showed 58.33% items were declared valid and 41.67% items were declared invalid. Test items have very high reliability with a value of 0.877. The proportion of the level of difficulty is not ideal, that is equal to 58.33% of questions categorized as difficult and 41.67% of questions categorized as sufficient. The discrimination power of the questions is 8.34% of the questions in a good category, 22.22% are sufficient, 58.33% are bad, and 11.11% are very bad. The result of main field testing, 69.44% items were declared valid and 30.56% items were declared invalid. Test items have high reliability with a value of 0.879. The proportion of the level of difficulty obtained in the main field testing is also not ideal, which is 56% of the difficult category and 44% of the sufficient category. The discrimination power consist of 32% good, 40% were sufficient, and 28% were poor.
Pengembangan Alat Praktikum Tumbukan Menggunakan Mikrokontroler, Sensor Ultrasonik, dan Lintasan Air Track Khaerul Umam; Hartono Hartono; Sulhadi Sulhadi
Physics Education Research Journal Vol 3, No 2 (2021)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2021.3.2.8706

Abstract

Momentum is one of the physics topics that students can better understand with practical activities. The problem found in using the ticker timer as a speed gauge in the collision practicum is that the measurement process interferes with the system being measured. This research develops a collision practicum tool using a microcontroller and ultrasonic sensor as a distance recorder. The glide track used is an air track. Based on the research conducted, it can be concluded that the collision practicum tool with a microcontroller and a glide track in the form of an air track can work well. The distance recorder or DRD is capable of recording distances every 0.2 seconds. The ultrasonic sensor as a gauge has an accuracy of 99.6% and a relative error of 0.56% for sensor 1. Meanwhile, sensor 2 has an accuracy of 99% and a relative error of 0.85%. Through the distance data obtained, it is possible to obtain an increase in momentum before and before the collision.
Pengembangan Modul Pembelajaran Fisika Kelas XI MA/SMA Berbasis Guided Inquiry pada Materi Alat-Alat Optik Lutfita Mukharovatun Azizah; Joko Budi Poernomo; Muhammad Izzatul Faqih
Physics Education Research Journal Vol 1, No 1 (2019)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2019.1.1.4006

Abstract

This study aims to produce guided inquiry based learning modules on optical instrument material and test their effectiveness. This research and development refers to the modified Borg and Gall (1983) model. Techniques for collecting data through observation, questionnaires, tests and documentation. The results of the feasibility test showed that the physics learning module based on guided inquiry on optical instrument material was feasible to use with the percentage of the feasibility score from the material experts amounting to 87.27% and from media experts amounting to 91.67%. The effectiveness test results show that the module produced effectively. This is indicated by the results of t-test calculations on student learning outcomes test data obtained ttable 2.048 and tcount of 6.433, so tcountttable which means ????0 is rejected, ???????? is accepted.
Penerapan Model Pembelajaran Problem Based Learning untuk Menganalisis Keterampilan Pemecahan Masalah Siswa SMP pada Materi Cahaya Arini Rosa Sinensis; Thoha Firdaus; T Hardila; Nopitasari Nopitasari; N Saiputri
Physics Education Research Journal Vol 3, No 1 (2021)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2021.3.1.6662

Abstract

The challenge of 21st century education is to prepare human resources who are required to have skills, one of which is problem solving. The Problem Based Learning (PBL) learning model is considered effective in training problem-solving skills because it has constructivist characteristics with science learning. The purpose of this study was to analyze students' problem solving skills in the Light material through PBL learning. The research method used is quantitative with descriptive analysis. The research sample was 22 Tanah Merah Integrated Junior High School students grade IX. The data collection technique used the observation sheet of problem solving skills. The results showed that there was an increase in students' problem solving skills from the first to the third experiment. The increase with the highest percentage was in the third experiment with indicators of problem solving/ investigation by 90.9%. The average data for each problem solving indicator shows that students can understand the problem by 80.78%, collect data by 69.63%, carry out problem solving/investigation by 78.46%, and make conclusions by 66.67%. These results indicate that the Problem Based Learning model can be used as a science learning construction in improving problem solving skills.
Pengembangan Modul Fisika Berbantuan Teknologi Augmented Reality pada Materi Gelombang Bunyi untuk SMA/MA Kelas XI Lilin Nazwa Khunaeni; Wenty Dwi Yuniarti; Muhammad Ardhi Khalif
Physics Education Research Journal Vol 2, No 2 (2020)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2020.2.2.6144

Abstract

This research aims to determine the appropriateness of a physics module with Augmented Reality (AR) technology. This research is an RD research consisting of the initial study stages, planning, development, product assessment, product revision and field trials. Data collection techniques used were observation and interviews during the preliminary study, and questionnaires for validation of material experts and media experts, validation of physics teachers, and student responses. Based on the data analysis, it was concluded that the quality of the physics module was very good with a percentage value of 95% from material experts, 86.67% from media experts and 90% from physics teachers. Student responses to the physics module obtained a percentage of 89% in the very good category. Based on the research results, the physics module with Augmented Reality (AR) technology developed is appropriate and can be used in physics learning.
Pengembangan Praktikum Fisika Materi Hukum Kekekalan Momentum Menggunakan Aplikasi Video Tracker Khotijah Khotijah; Arsini Arsini; Sheilla Rully Anggita
Physics Education Research Journal Vol 1, No 1 (2019)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2019.1.1.3961

Abstract

This study aims to determine the feasibility and the effectiveness of using a video tracker application for practicum of physics 1 on momentum conservation. This is included in research and development type. Stages carried out in this study include: 1) define, is done by giving questionnaires and interviews, 2) design, includes media selection, format selection and produce the initial product design, 3) development, includes product development and material expert validation assessment, media experts and linguists and limited field testing. The validation test results obtained that the media is feasible to use with a percentage of 88% based on material experts with very good categories, 85% based on media experts with very good categories, and 78% based on linguists with good categories. The effectiveness of media is shown by high average value of the experimental class of 84,06 compared to the control class of 70,97. Student responses to the use of products are categorized very well with a percentage of 89%.
Potensi Limbah Ampas Teh sebagai Alternatif Material Akustik Ramah Lingkungan Ukhti Mutia Munifatuzzahroh; Ian Yulianti; Fianti Fianti
Physics Education Research Journal Vol 3, No 2 (2021)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2021.3.2.8390

Abstract

The research aims to determine the potential of tea waste as an environmentally friendly alternative acoustic material. The acoustic material is made by mixing tea waste powder with fox glue and water, formed, and dried. The acoustic material was made into six samples with different compositions of tea wastes, that were 20 g, 40 g, 60 g, 80 g, 100 g, and 120 g. The value of the effectiveness of noise reduction and the coefficient of sound absorption, both were obtained the most optimum in sample 6 with a composition of 120 g, that were 10.1% and 0.07497 dB. The value of both increases with the increase of the composition of the tea wastes in the acoustic material.
Arang Aktif Kayu Leucaena Leucocephala sebagai Adsorben Minyak Goreng Bekas Pakai (Minyak Jelantah) Hafidzi Nur Muhammad; Faizatun Nikmah; Nurul Umrotul Hidayah; Arghob Khofya Haqiqi
Physics Education Research Journal Vol 2, No 2 (2020)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2020.2.2.6176

Abstract

Cooking oil is a basic need for human life. Alternative processing of used cooking oil is through the adsorption process with leucaena leucocephala activated charcoal. This study aims to utilize leucaena leucocephala activated charcoal as an adsorbent of used cooking oil. Activated charcoal from leucaena leucocephala can reduce levels of free fatty acids and peroxide numbers of cooking oil before and after frying repeatedly so that used cooking oil can be reused. The method used in the study is the experimental method. Data collection was carried out by mixing leucaena leucocephala activated charcoal with used cooking oil. The composition of activated charcoal is 75%, while used cooking oil is 25% in one and a half hours. Research shows that activated charcoal can improve the quality of used cooking oil by lowering fatty acid levels, making the color of used cooking oil clearer. Leucaena leucocephala activated charcoal can be used as an alternative to oil adsorbent and research is needed for other types of oil.
Penentuan Massa Jenis Oli secara Sederhana dengan Hukum Archimedes Samuel Gideon; Enda Rasilta Tarigan
Physics Education Research Journal Vol 2, No 1 (2020)
Publisher : Faculty of Science and Education, UIN Walisongo Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/perj.2020.2.1.5058

Abstract

The most commonly used method for measuring the density of liquids is based on Archimedes' law. Lubricating oil generally has a defined density standard to show the quality of the oil. The purpose of this study is to determine oil density simply by applying Archimedes' law. This research was conducted in three steps. First, the measurement of the empty pycnometer. Second, the measurement of the pycnometer mass containing distilled water and oil. Third, measurement of copper mass in the medium of air, distilled water and oil. From the results of measurements and calculations, the obtained density of distilled water is (0.995 ± 3,582 x 10-4) gr/cm3 whose value is very close to the value of 1 gr/cm3 so that the distilled water used in this study is suitable as a reference/standard in finding volume copper; oil density is (0.868 ± 2.14 x 10-3) gr/cm3 whose value is very close to the value of oil density measured and calculated with a pycnometer of (0.875 ± 4.637 x 10-4) gr/cm3.

Page 3 of 13 | Total Record : 130

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