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All Journal Transformasi: Jurnal Pengabdian Masyarakat Jurnal Penelitian Pendidikan IPA (JPPIPA) Momentum: Physics Education Journal JURNAL EKSAKTA PENDIDIKAN (JEP) JURNAL PENDIDIKAN TAMBUSAI Jurnal Ilmiah Profesi Pendidikan Pillar of Physics Education : Jurnal Berkala Ilmiah Pendidikan Fisika Pillar of Physics: Jurnal Berkala Ilmiah Fisika Phydagogic : Jurnal Fisika dan Pembelajarannya Journal of Innovative Physics Teaching (JIPT) Physics Learning and Education Journal of Civil Engineering and Vocational Education Journal of Experimental and Applied Physics Inventa: Journal of Science, Technology, and Innovation Jurnal Penelitian Pembelajaran Fisika
Fadhila Ulfa Jhora
Department Of Physics, Universitas Negeri Padang
Religion Agriculture, Biological Sciences & Forestry Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Earth & Planetary Sciences Education Electrical & Electronics Engineering Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences Transportation Other

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Pengaruh Variasi Jumlah Doping Urea Terhadap Karakteristik Komposit ZnO/Graphene Oxide Sebagai Kandidat Katalis Solar Cell Yuliza Noerman, Kiki; Jonuarti, Riri; Gusnedi, Gusnedi; Ratnawulan, Ratnawulan; Ulfa Jhora, Fadhila
Jurnal Pendidikan Tambusai Vol. 8 No. 2 (2024)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

ZnO dan Graphene Oxide merupakan material yang sangat menjanjikan dalam aplikasi solar cell. Kombinasi antara ZnO/Graphene Oxide memiliki kemampuan dalam mentranspor elektron dengan baik dibandingkan dengan ZnO atau Graphene Oxide saja. Namun, solar cell berbasis ZnO mudah terjadi rekombinasi pembawa muatan secara cepat karena energi band gap yang besar. Oleh karena itu, pembuatan komposit ZnO/Graphene Oxide yang diberi pengotor (doped) berupa urea dilakukan. Tujuan penelitian ini adalah untuk mengetahui pengaruh variasi jumlah doping urea pada komposit ZnO/Graphene Oxide terhadap karakteristik berupa struktur dan ukuran pada kristal dan partikel serta energi band gap yang nantinya akan dijadikan sebagai katalis solar cell. Tiga variasi jumlah doping yang diselidiki dalam penelitian ini: 0,11 gr, 0,22 gr, dan 0,33 gr dengan metode yang digunakan adalah metode sol-gel. Dari hasil analisis dapat dilihat bahwa dengan bertambahnya jumlah doping urea menunjukkan peningkatan pada ukuran partikel dari 107,86 nm menjadi 121,18 nm sedangkan pada ukuran kristal mengalami penurunan dari 46,39 nm menjadi 43 nm. Variasi jumlah doping urea juga mempengaruhi nilai energi band gap komposit ZnO/Graphene Oxide dengan nilai yang semakin menurun seiring bertambahnya jumlah doping yaitu dari 2,63 eV menjadi 2,57 eV, mengindikasikan peningkatan konduktivitas elektronik. Hasil ini menunjukkan bahwa komposit ZnO/Graphene Oxide dengan doping urea berpotensi sebagai katalis dalam aplikasi solar cell.
Pengaruh Jenis Bakteri Staphylococcus Aureus Dan Escherichia Coli Terhadap Hidrofobik & Self Healing Mortar Septia, Zahwa; Ratnawulan, Ratnawulan; Ulfa Jhora, Fadhila; Darvina, Yenni
Jurnal Pendidikan Tambusai Vol. 8 No. 2 (2024)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Penelitian ini mengeksplorasi pengaruh jenis bakteri, khususnya Staphylococcus aureus dan Escherichia coli, terhadap sifat hidrofobik dan kemampuan self-healing mortar. Metode eksperimental dilakukan dengan variasi jenis bakteri sebagai variabel bebas dan kontrol terhadap bahan baku dan suhu. Hasil analisis menunjukkan bahwa kedua jenis beton memiliki komposisi kimia yang serupa. Kuat tekan beton yang menggunakan Staphylococcus aureus sedikit lebih tinggi, demikian juga dengan sudut kontak permukaan, menunjukkan sifat hidrofobik yang lebih baik. Analisis SEM menunjukkan bahwa campuran kedua bakteri dapat mengurangi keretakan dan porositas beton, meningkatkan ketahanan terhadap air. Temuan ini mengindikasikan potensi penggunaan bakteri untuk memperbaiki mortar. Penelitian ini berkontribusi pada pengembangan mortar yang lebih tahan terhadap air dan memiliki kemampuan self-healing, dengan implikasi praktis dalam perpanjangan masa pakai bangunan dan pengurangan biaya perawatan.
Desain E-LKPD Pencemaran Lingkungan Terintegrasi Model PBL untuk Menstimulasi Literasi Lingkungan Peserta Didik Raysa, Afrila; Asrizal, Asrizal; Yurnetti, Yurnetti; Jhora, Fadhila Ulfa
Jurnal Pendidikan Tambusai Vol. 8 No. 3 (2024)
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

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Abstract

Pembelajaran abad 21 menuntut peserta didik untuk mempunyai kemampuan literasi yang baik. Mengacu studi pendahuluan, literasi lingkungan peserta didik masih rendah. Satu di antara cara untuk menangani masalah ini yakni menyediakan bahan ajar inovatif pada pembelajaran. E-LKPD pencemaran lingkungan terintegrasi model PBL menjadi aspek penting untuk menstimulasi literasi lingkungan peserta didik. Tujuan dari penelitian ini ialah untuk menghasilkan e-LKPD yang valid serta praktis. Jenis penelitian ini ialah Design Research (DR) memakai model pengembangan 4D yang mencakup tahap pendefenisian (define), tahap perancangan (design), tahap pengembangan (development), serta tahap penyebaran (disseminate). Objek penelitian yaitu E-LKPD pencemaran lingkungan terintegrasi model PBL untuk menstimulasi literasi lingkungan peserta didik. penelitian ini dibatasi sampai tahap development. Guru dan peserta didik berperan sebagai subjek yang dapat mengevaluasi kepraktisan produk. Instrumen yang dipakai untuk pengumpulan data yakni uji validitas serta praktikalitas. Teknik analisis data yang dipakai yakni teknik analisis statistik deskriprif. Dari hasil analisis data yang dilaksanakan, diraih dua hasil penelitian. Hasil penelitian pertama memperlihatkan terkait e-LKPD memiliki validitas sebesar 85,9 yang tergolong pada kategori sangat baik. Hasil penelitian kedua memperlihatkan terkait kepraktisan e-LKPD yang dinilai oleh guru serta peserta didik mempunyai nilai 85,7 serta 90,7 yang tergolong pada kategori sangat baik. Hasil penelitian ini memperlihatkan terkait e-LKPD pencemaran lingkungan terintegrasi model PBL valid dan praktis, sehingga masuk pada kategori sangat baik untuk dipakai pada pembelajaran fisika.
Pengaruh Variasi Temperatur dan Waktu Pembakaran Eceng Gondok terhadap Kadar Silika dan Sifat Mekanik Beton Silika Yulifarma, Rika; Jonuarti, Riri; Yohandri, Yohandri; Jhora, Fadhila Ulfa
Jurnal Pendidikan Tambusai Vol. 9 No. 2 (2025): Agustus
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai, Riau, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jptam.v9i2.31030

Abstract

Penelitian ini mengevaluasi pengaruh suhu dan waktu pembakaran eceng gondok terhadap ukuran partikel, pola difraksi amorf, kandungan silika, serta pengaruhnya terhadap kuat tekan, densitas, dan sudut kontak beton. Abu eceng gondok yang kaya silika dapat digunakan sebagai bahan tambahan beton karena sifatnya yang pozzolan, meningkatkan kekuatan dan daya tahan. Penelitian ini menggunakan suhu 500°C dan 600°C dengan waktu pembakaran 90 dan 150 menit. Analisis Scanning Electron Microscope (SEM) menunjukkan nanopartikel eceng gondok berukuran kurang dari 1 nm. X-Ray Diffraction (XRD) menunjukkan pola amorf dengan puncak pada 2θ sekitar 21,8°. X-Ray Fluorescence (XRF) menunjukkan bahwa pembakaran pada suhu 600°C selama 150 menit menghasilkan kandungan silika tertinggi sebesar 84,96%. Dengan demikian, kondisi optimal adalah 600°C selama 150 menit. Beton dengan abu ini menunjukkan penurunan kuat tekan sebesar 0,7% (di bawah 1%), namun kekuatannya meningkat pada umur 14 hari, memenuhi standar mutu. Sudut kontak beton silika berumur 14 hari adalah 98,663°, dan densitas beton normal mencapai 2354,077 kg/m³. Oleh karena itu, penggunaan abu eceng gondok dalam produksi beton layak dan menguntungkan.
Needs Analysis for Developing PBL-Based E-Modules on Alternative Energy to Improve High School Students’ Critical Thinking Ability Sri Aulia, Ruqayah; Stivani Suherman, Dea; Asrizal, Asrizal; Ulfa Jhora, Fadhila
Physics Learning and Education Vol. 4 No. 1 (2026): March Edition
Publisher : Department of Physics Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/ple.v4i1.328

Abstract

Technological and scientific progress is a characteristic of the 21st century that requires students to think creatively, communicate, critically and also collaborate. This study aims to perform a requirements analysis in developing E-Modules based on Problem Based Learning on alternative energy material and its use to Enhancing students' critical thinking abilities in high school. The conclusion of this research show five result from the needs analysis, namely: (1) The utilization of ICT in education with a score of 94 in the very good category. (2) student characteristics are good with a value of 71.80. (3) Implementation of learning objectives by teachers as observed from learning outcomes. objective flow of one physics teacher are in the sufficient category. (4) Learning arrangements implemented by teachers seen from the teaching module of one teacher are in the sufficient category. (5) analysis of students' critical thinking skills. Data were obtained from 21 grade XI students with an average of 22.77 in the less category.
Pengembangan Bahan Ajar Digital Suhu dan Kalor Berbasis Model PBL Berbantuan Flip Pdf Professional untuk Siswa Fase F SMAN 7 Padang Fitratul Ilahiyah; Yenni Darvina; Ratnawulan Ratnawulan; Fadhila Ulfa Jhora
Jurnal Ilmiah Profesi Pendidikan Vol. 10 No. 1 (2025): Februari
Publisher : Fakultas Keguruan dan Ilmu Pendidikan, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jipp.v10i1.3097

Abstract

SMAN 7 Padang telah memiliki berbagai bahan ajar, termasuk bahan ajar digital yang dikembangkan oleh guru untuk proses pembelajaran. Namun, belum ada bahan ajar digital yang berbasis model PBL. Terdapat peluang untuk meningkatkan kualitas pembelajaran dengan bahan ajar berbasis teknologi yang menarik, guna meningkatkan minat, motivasi, dan gaya belajar siswa dalam Fisika. Flip PDF Profesional merupakan software untuk mengonversi materi dalam format file PDF menjadi bentuk buku elektronik (e-book) yang dapat ditambahkan gambar/ilustrasi, animasi, dan video yang menarik. Dalam penelitian yang akan dikembangkan oleh peneliti yaitu pengembangan Bahan Ajar Digital Suhu dan Kalor Berbasis Model PBL berbantuan Flip Pdf Profesional Untuk Siswa Fase-F Pada E-learning SMAN 7 Padang. Jenis penelitian yang digunakan peneliti adalah penelitian dan pengembangan atau yang disebut istilah Research Development (R&D), menggunakan skala Aiken dalam mengolah data. Kesimpulan penelitian yaitu Bahan Ajar Digital Suhu dan kalor berbasis model PBL berbantuan flip pdf professional  untuk siswa fase F telah diperoleh produk yang valid dan layak digunakan setelah melakukan evaluasi oleh ahli dengan rata-rata nilai validitas sebesar 0,85. Hasil pengujian praktikalitas dari produk bahan ajar digital suhu dan kalor berbasis model model PBL berbantuan flip pdf professional untuk siswa fase F telah didapatkan produk yang praktis dan dapat digunakan dalam pembelajaran Fisika. Hal ini dibuktikkan dari penilaian praktikalitas yang diberikan kepada guru dengan rata-rata persentase sebesar 98,9% kategori sangat praktis, kemudian disebarkan kepada satu kelas di kelas XI dengan rata-rata persentase sebesar 88,7% berada dalam kategori sangat praktis.
Enhancing Science Learning Activities through the Implementation of Discovery Learning and Teaching at the Right Level Method Irfan Ananda Ismail; Fadhila Ulfa Jhora; Qadriati Qadriati; Munadia Insani
Jurnal Penelitian Pendidikan IPA Vol 10 No 4 (2024): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v10i4.7359

Abstract

Education plays a vital role in cultivating qualified future generations, with active student participation serving as an indicator of effective learning processes. Preliminary observations at SMP Negeri 32 Padang revealed low engagement levels in science classes, prompting the need for interventions to boost students' involvement. The primary objective of this classroom action research was to enhance student engagement in science learning activities through implementing the Discovery Learning model and Teaching at the Right Level approach in a Grade 8 classroom at SMP Negeri 32 Padang. The study was conducted over three cycles, each consisting of planning, acting, observing, and reflecting phases. Data on student engagement in science learning activities was collected through observations using a rubric. The initial data in Cycle I revealed low engagement at 36.72%. After implementing interventions integrating Discovery Learning activities and personalized scaffolding based on students' ability levels in Cycles II and III, student engagement progressively increased to 45.76% and 62.28% respectively. Surveys and interviews indicated students found the learner-centered, inquiry-based activities more enjoyable and effective for understanding compared to traditional instruction. The findings demonstrate the potential of combining Discovery Learning and Teaching at the Right Level methods to significantly improve learning participation by stimulating intrinsic motivation through autonomous exploration while providing individualized support. The research offers practical strategies for enhancing science education engagement and contributes to the Kurikulum Merdeka goals of fostering participatory, flexible learning environments tailored to students' unique needs
Sintesis Kitosan Berbasis Limbah Cangkang Udang Serta Pemanfaatannya Sebagai Bahan Pengawet Alami Daging Sapi Fitri Endriyani; Rahmat Hidayat; Yenni Darvina; Fadhila Ulfa Jhora
Journal of Science, Technology, and Innovation Vol 1 No 3 (2026): : April: Inventa: Journal of Science, Technology, and Innovation
Publisher : CV SCRIPTA INTELEKTUAL MANDIRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.65310/7cawgv34

Abstract

The utilization of shrimp shell waste as a source of chitosan represents a sustainable approach to developing bio-based materials while increasing the economic value of fisheries by-products. This study aimed to synthesize chitosan from shrimp shells (Litopenaeus vannamei) and evaluate its effectiveness as a natural preservative for beef. Chitosan was synthesized through deproteinization using 1 N NaOH, demineralization using 1 N HCl, and deacetylation using 50% NaOH. X-ray diffraction (XRD) analysis revealed six diffraction peaks with a dominant peak at 2θ = 19.042° and crystallite sizes ranging from 4.36 to 4.57 nm, indicating a monoclinic crystal structure. Fourier Transform Infrared Spectroscopy (FTIR) confirmed the presence of characteristic chitosan functional groups, including hydroxyl, amine, amide, and β-(1→4)-glycosidic bonds. Preservation performance was evaluated by immersing beef samples in 1% chitosan solution for 0, 15, 30, 45, and 60 minutes, followed by storage at room temperature for five days. The results showed that immersion treatments of 45–60 minutes were most effective in maintaining texture, odor quality, and pH stability. These findings demonstrate the potential of shrimp shell-derived chitosan as a safe, environmentally friendly, and economically valuable natural preservative.  
Needs Analysis to Develop of Project Based Learning Module Assisted by Heyzine Application to Improve Students’ Creative Thinking Skills M Ilham; Dea Stivani Suherman; Ratnawulan Ratnawulan; Fadhila Ulfa Jhora
Jurnal Penelitian Pembelajaran Fisika Vol. 12 No. 1 (2026): JPPF (Jurnal Penelitian Pembelajaran Fisika)
Publisher : Universitas Negeri Padang in collaboration with Association of Mathematics and Natural Sciences Institution for Education of Teaching Staff Indonesia (AMLI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jppf.v12i1.51

Abstract

Efforts to develop 21st century skills have been carried out by changing the curriculum from the 2013 curriculum to an independent curriculum based on 21st century learning. One of the main focuses in this ability is the development of four core competencies known as 4C, including critical thinking and problem solving skills, creativity and innovation, collaboration skills, and effective communication skills. One of the four most important skills that must be developed by students is creative thinking skills. However, in reality, mastery of this ability is still relatively low. This low ability is caused by the teaching materials used in the learning process that have not been fully designed to support students' creative thinking skills and the Project Based Learning (PJBL) learning model. This study aims to analyze the need for developing E-modules based on Project Based Learning (PJBL). This study uses a development research approach with a 4-D model (Define, Design, Development, and Disseminate), which is limited to the Development stage. The results of the study revealed three main findings from the needs analysis: (1) students' creative thinking skills are still low, with a score of 36; (2) Based on teacher interviews, the teaching materials used in the learning process have not been fully designed to support students' creative thinking skills, and the Project Based Learning (PJBL) learning model is one of the learning models applied by teachers but is not yet optimal; (3) Determination of student characteristics, with scores for each indicator, student background 70.25, student learning interest 67.5, student learning motivation 66.67, student learning style 70.88, and digital learning 76.38. The research conclusion obtained from the needs analysis is that the development of an E-Module based on the Project Based Learning model assisted by the Heyzine application to facilitate students' creative thinking skills is very much needed by students.
Practicality Analysis of Project-Based Learning Electronic Modules to Facilitate Students' Creative Thinking Skills with the Help of the Heyzine Application on Climate Change Material M Ilham; Dea Stivani Suherman; Ratnawulan Ratnawulan; Fadhila Ulfa Jhora
Physics Learning and Education Vol. 4 No. 2 (2026): June Edition
Publisher : Department of Physics Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/ple.v4i2.347

Abstract

21st-century learning is often associated with the term 4C skills: critical thinking, creativity, collaboration, and communication. Creative thinking is one of the skills that students must have in 21st-century learning. Based on a preliminary study, it was found that students' creative thinking skills are still in the very low category, especially on climate change material. This needs to be followed up for student success in 21st-century learning. One alternative solution that might be able to overcome this problem is to develop teaching materials in the form of project-based electronic modules to facilitate students' creative thinking skills on climate change material. The purpose of this study was to determine the practicality of project-based electronic modules to facilitate students' creative thinking skills on climate change material by teachers and students. This study used the Research and Development (R&D) method with a 4D development model limited to the development stage, which includes definition, design, and development. The object of this study was a project-based electronic module. Data collection in this study was validity measurement data by three experts from UNP and practicality measurement data by teachers and students. The data obtained were then analyzed using validity analysis techniques with Moment Kappa (k) and product practicality analysis. The results of the validity assessment of the electronic module based on project-based learning obtained a score of 0.87 in the very valid category. Furthermore, the results of the practicality assessment of the electronic module based on project-based learning by teachers with an average score (0.9) and students obtained an average score (0.91). The results of this study indicate that the electronic module based on project-based learning to facilitate students' creative thinking abilities assisted by the heyzine application on the climate change material developed is very valid and very practical to use in the physics learning process, especially on climate change material.
Co-Authors - Ramli Akmam Akmam Angraini, Sri Aprianti, Rika Asrizal Azca Aryadiva Mahengga Bana, Vrielsha Cahyaningrum, Wahyu Dea Stivani Suherman Dea Stivani Suherman Dea Stivani Suherman Defrizal Saputra Doni, Monica Anatasya Fanny Rahmatina Rahim Farras Drasih, Nabilah Fitratul Ilahiyah Fitri Endriyani Fourier Dzar Eljabbar Latief Freddy Haryanto Gina Fadilah NST Gusnedi Gusnedi Gusnedi, - Harman Amir Hidayati Hidayati Ilahi, Fitratul Indah Safira Irfan Ananda Ismail Leni Aziyus Fitri Letmi Dwiridal M Ilham M Ilham M Ilham Munadia Insani Nadia Ardianti Nadiyyah, Khoirotun Nofi Yendri Sudiar Putri Dwi Sundari Putri, Ulfa Haldiani Qadriati Qadriati Rahmat Hidayat Rahmat Hidayat Ramli Ramli Ramli Ramli Ramli Ratna Wulan Ratnawulan . Ratnawulan Ratnawulan Ratnawulan Ratnawulan Raysa, Afrila Riri Jonuarti Santika, Viera Alvio Septia, Zahwa Silvi Yulia Sari Sri Aulia, Ruqayah Stivani Suherman, Dea Wahyuni Satria Dewi Widiasih, Widiasih Yenni Darvina Yohandri Bow Yuliana, Yuli Yulifarma, Rika Yuliza Noerman, Kiki Yurnetti, Yurnetti Zakirman