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All Journal Jurnal Pendidikan Kewarganegaraan Undiksha Jurnal Geliga Sains: Jurnal Pendidikan Fisika Jurnal Pendidikan Bulletin of Electrical Engineering and Informatics Jurnal Online Mahasiswa (JOM) Bidang Keguruan dan Ilmu Pendidikan QUANTUM: Jurnal Inovasi Pendidikan Sains Catharsis SPEKTRA: Jurnal Kajian Pendidikan Sains Journal of Natural Science and Integration Jurnal EDUTECH Undiksha Silampari Jurnal Pendidikan Ilmu Fisika JBMR: Journal of Business and Management Review Jurnal Armada Pendidikan Journal of Indonesian Science Teachers
Muhammad Sahal
Unknown Affiliation
Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Physics Social Sciences

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The Effectiveness of Maritim-Based Physics Teaching in Increasing The Science Process Skills of SMA Negeri 2 Dumai Students Widyastuti, Indri; Sahal, Muhammad
Journal of Indonesian Science Teachers Vol 1 No 1 (2023): May
Publisher : Journal of Indonesian Science Teachers

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Abstract

Because they allow for the use of the scientific method in performing inquiries and are anticipated to be able to pick up new information, science process skills are crucial for pupils. This study's goal was to explain how well students could apply their knowledge of marine environmental physics to static fluid content for class XI SMA Negeri 2 Dumai. This kind of study uses a non-equivalent posttest only control group design in a quasi-experimental setting. All 288 students in class XI at SMA Negeri 2 Dumai were included in the population. To identify the populace, a simple random sampling technique is employed. The experimental group's posttest mean score for scientific process skills (M = 61.80, SD=11.92) is greater than the control group's posttest mean score for those same skills (M = 50.35, SD=13.63). According to the findings, classes using marine contextual learning have better pupil scientific process skills than classes using traditional learning. When viewed from a gender viewpoint, there is no clear variation between the science process skills of male and female students.
Implementation of Science-Physics Learning Based on Coastal Fisherman Activities to Improve Students' Scientific Literacy Abilities Putri, Neysa Javita; Zulirfan, Z; Sahal, Muhammad
Journal of Indonesian Science Teachers Vol 2 No 2 (2024): May
Publisher : Journal of Indonesian Science Teachers

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Abstract

Science education in Indonesia faces challenges in increasing students' scientific literacy, especially at the secondary level. One of the problems faced is the lack of student involvement in science learning relevant to their context. This research aims to improve the scientific literacy skills of class VIII students at SMPN 4 Dumai by applying science-physics learning based on coastal fishermen's activities on work and energy material. The research method used is experimental research using 2 class groups, namely the experimental and control classes. The population of this research was class VIII students at SMPN 4 Dumai. The instrument used to collect data was the results of students' scientific literacy ability tests. The results of the research show that the application of science-physics learning based on coastal fishing activities results in higher scientific literacy abilities and increases significantly. Apart from that, the application of this learning can increase students' interest in linking their daily lives with learning material. Science-physics learning based on coastal fishing activities is effective in increasing students' scientific literacy in work and energy material for class VIII junior high school students.
ANALISIS KASUS KORUPSI E-KTP SETYANO NOVANTO YANG MERUGIKAN NEGARA DAN MASYARAKAT INDONESIA Syauqi, Andhika; Sahal, Muhammad
Jurnal Pendidikan Kewarganegaraan Undiksha Vol. 11 No. 2 (2023): Mei, Jurnal Pendidikan Kewarganegaraan Undiksha
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jpku.v11i2.54861

Abstract

Korupsi merupakan suatu tindakan yang menyalahgunakan wewenang untuk mendapatkan keuntungan pribadi ataupun kelompok. Di Indonesia sendiri kasus korupsi sudah banyak terjadi dari sebelum Indonesia merdeka dan sampai saat ini masih banyak juga kasus korupsi yang terjadi, salah satunya adalah kasus korupsi e-KTP Setya Novanto. Kasus korupsi e-KTP Setya Novanto merugikan negara sebesar 2,3 triliun, selain itu juga merugikan masyarakat karena seharusnya uang tersebut dimanfaatkan untuk memperbaiki sistem data kependudukan warga negara Indonesia atau dana tersebut bisa dimanfaatkan untuk pembangunan infrastruktur dan fasilitas-fasilitas publik yang bermanfaat bagi masyarakat Indonesia. Meskipun sudah banyak upaya yang dilakukan seperti pembuatan undang-undang dan pemberian sanksi terhadap para pelaku korupsi (koruptor), tetapi masih saja ada yang melakukannya. Walaupun kasus korupsi di Indonesia cukup tinggi, kita sebagai warga negara Indonesia tidak boleh menyerah untuk melakukan segala upaya untuk melawan tindakan korupsi di negeri ini. Maka dari itu, peneliti mengajak kepada seluruh pembaca untuk menghilangkan atau setidaknya meminimalisir tindakan korupsi khususnya di Indonesia demi kesejahteraan negara dan masyarakat Indonesia.
Analysis of Physics Science Literacy in the Duanu Tribe's Shellfishing Tradition of Junior High School Students Zulirfan, Z.; Sahal, Muhammad; adzkia, vira
Journal of Indonesian Science Teachers Vol 3 No 2 (2025): May
Publisher : Journal of Indonesian Science Teachers

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Abstract

Shellfish (Menongkah Kerang) scientific literacy is the ability to understand physics concepts and processes integrated with local culture and wisdom in Tanah Merah, Riau. Menongkah kerang activities are one of the cultures that have existed for generations in Tanah Merah, Riau and it has been identified that menongkah kerang activities have scientific potential that can be explained scientifically. This research aims to identify the level of physics literacy of the menongkah kerang tradition of students at SMP Negeri 1 Tanah Merah, SMP Negeri 3 Tanah Merah and MTS YPI Kuala Enok. The type of research used is survey research with a quantitative descriptive approach. The sample in the study was 158 students consisting of 76 male students and 82 female students. The instrument in this research was a physics science literacy test on menongkah kerang which consisted of 20 multiple-choice questions with a KR-20 reliability coefficient of 0.74. Descriptive analysis techniques were used to determine the level of physics science literacy in the shellfishmenongkah kerang competition sub-context. The results of descriptive and inferential analysis show that the level of physics science literacy of Menongkah Kerang students has an average total score of 52.27. Based on gender, it was identified that male students have better physics science literacy skills than female students. There are differences in scores based on gender, there are significant differences. In general, it is concluded that the level of physics science literacy of Junior High School students in Tanah Merah District in the menongkah kerang activity is still in the low category and gender affects the level of students' science literacy.
The use of fiber bragg grating coated with polyimide for CO2 gas sensor Irawan, Dedi; Saktioto, Saktioto; Azhar, Azhar; Sutoyo, Sutoyo; Sahal, Muhammad; Hanto, Dwi; Widiyatmoko, Bambang
Bulletin of Electrical Engineering and Informatics Vol 14, No 5: October 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v14i5.9283

Abstract

This study presents the application of fiber bragg grating (FBG) sensors coated with polyimide for detecting carbon dioxide (CO₂) gas, employing both theoretical and experimental approaches. The basic FBG components were coated with polyimide layers of varying thicknesses. Subsequently, the fabricated FBG sensors were characterized using an optical interrogator system with four channels. Furthermore, the sensor was tested for CO₂ detection at a working temperature of 47 °C. Experimental data showed that the FBG sensor coated with polyimide layers of 10 nm, 15 nm, and 20 nm demonstrated sensitivities of 1.9 ppm, 1.84 ppm, and 1.8 ppm, respectively. In contrast, the uncoated FBG sensor exhibited a higher sensitivity of 3 ppm. Increasing the coating thickness beyond 20 nm leads to a decrease in sensor sensitivity. The findings suggest that an optimal polyimide coating thickness for CO₂ detection using FBG sensors is around 20 nm. Achieving high sensitivity in CO₂ gas sensors is crucial for their effective use across a broad range of applications.
Co-Authors ', Fitrialisma ', Yennita Adzkia, Vira Alaina, Nur Amirah Luthfiah Putri Angelia, Yessy Anisa Putri Rinjani Aras Larasati Ayuningsih, Nina Oktavia Azhar ' Azhar Azhar Azizahwati Azizahwati Azizahwati Azizahwati Bambang Widiyatmoko Br Hombing, Rosiana Cici Eka Aryanti dedi irawan Defni Satria Dephy Purwasari Desi Susanti Dwi Hanto Een Eka Putri Erda Fatriana Ernidawati, Ernidawati Fakhruddin Fakhruddin Fakhruddin Z Firharianti Safitri Gusmeri, Yeni Harlipadensi Hendar Sudrajad Husnul Mar’ati Wulandari Huzaimah Auda Ika Ningtiyas, Retno Islami, Assyifa Ahya Isnaini Isnaini Jayawarsa, A.A. Ketut Kurnia, Nina M. Nor, M. Nor M. Rahmad M. Rahmad ' Ma'aruf, Zuhdi Ma’ruf, Zuhdi Mitri Irianti Mochammad Imron Awalludin Muhammad Nor Mulida Samisiani Mutiatul Annisa Na:am, Muh Fakhrihun Nanang Suryadi Nayla Fauza Nindyana, Umira Norma Sari Nur Islami Nurhidayatul Jannah Nurul Khairunnisa Putri, Maulana Putri, Neysa Javita Putri, Unggani Filzana Radiannita Tri Rahayu Rahma Juwita Rahmah, Novriani Reca Sintya Mawarni Ridwan Ramadhan Rizo Budi Prastowo, Rizo Budi Saktioto Saktioto Sandra, Meria Shinta Paramitha Sri Purwaningsih Suci Aulia Risti Sutoyo Sutoyo Syaflita, Dina Syauqi, Andhika Taqwilawaty, Indah Vivi Aprianti Wadio, Wadio Wida Cahyaning Sari Widyastuti, Indri Y Yennita Y Yennita Yennita ' Yennita Yennita Yustina, Yennita Zuhdi Ma’aruf zulhelmi zulhelmi Zulhelmi, Zulhelmi Zulirfan Zulirfan Zulirfan Zulirfan, Zulirfan Zulirfan, Z Zulirfan, Z.