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Lensa: Jurnal Kependidikan Fisika
Published by Universitas Pendidikan Mandalika
ISSN : 23384417     EISSN : 26860937     DOI : https://doi.org/10.33394/j-lkf
Core Subject : Science, Education, Social, Engineering,
Astronomy Chemistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Engineering Environmental Science Physics
Lensa: Jurnal Kependidikan Fisika (J-LKF) published by the Physics Education Study Program UNDIKMA. J-LKF publishes every 6 months including the study of science and education in the field of physics specifically and natural and applied sciences in general.
Arjuna Subject : Ilmu Sosial - Pendidikan
Articles 20 Documents
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Search results for , issue "Vol. 13 No. 1: June 2025" : 20 Documents clear
Pengembangan Modul Berbasis Project Based Learning (PjBL) Berbantuan Assemblr Edu pada Mata Kuliah Rangkaian Elektronika. Situmeang, Ivan Franztavia; Nehru, Nehru; Riantoni , Cicyn
Lensa: Jurnal Kependidikan Fisika Vol. 13 No. 1: June 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-lkf.v13i1.16506

Abstract

Penelitian Penelitian ini bertujuan mengembangkan modul pembelajaran berbasis Project Based Learning (PjBL) dengan bantuan platform digital Assemblr Edu pada mata kuliah Rangkaian Elektronika. Latar belakang penelitian ini adalah rendahnya pemahaman mahasiswa akibat keterbatasan bahan ajar dan dominannya metode ceramah dalam perkuliahan. Pengembangan modul dilakukan untuk menyediakan bahan ajar alternatif yang lebih interaktif dan mendukung pembelajaran aktif. Metode yang digunakan adalah model pengembangan ADDIE, namun penelitian ini dibatasi hingga tahap pengembangan. Subjek uji coba adalah mahasiswa Pendidikan Fisika angkatan 2022. Data diperoleh melalui validasi ahli media, ahli materi, serta angket persepsi mahasiswa. Hasil validasi menunjukkan modul sangat layak digunakan dengan skor rata-rata 90,9% dari ahli media dan 82,14% dari ahli materi. Respon mahasiswa juga sangat baik, dengan skor 93% untuk perwajahan, 89% untuk kemenarikan, dan 93% untuk isi. Temuan ini menegaskan bahwa modul berbasis PjBL dengan visualisasi 3D melalui Assemblr Edu efektif dan layak digunakan sebagai bahan ajar.
Implementation of Android-Based Interactive Learning Media on Students' Critical Thinking Skills in Physics Learning Rahmawati, Silpia; Warliani, Resti; Mulvia, Rahmadhani
Lensa: Jurnal Kependidikan Fisika Vol. 13 No. 1: June 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-lkf.v13i1.15040

Abstract

This study aims to determine the average improvement in high school students' critical thinking skills in physics learning by using Android-based interactive learning media. This research is quantitative in nature and employs a quasi-experimental pretest-posttest control group design. The research population consisted of all grade XI students at one school in the Garut District during the even semester of the 2024/2025 academic year. The study involved two classes: XI-J (the experimental group, n = 34 students) using Android-based learning media, and XI-I (the control group, n = 34 students) using Google Sites. The research instruments included student response questionnaires and pretest-posttest questions based on the critical thinking aspects defined by Ennis. Data were analyzed using tests for homogeneity, normality, a t-test, and the N-gain test, with the aid of SPSS. The questionnaire results showed an 81.24% acceptance level for the Android-based media, categorized as very good, while observations indicated that the implementation of the learning process reached an average of 90%. Pretest-posttest analysis revealed a significant improvement in students' critical thinking skills. The experimental group’s average score increased to 77.74 (categorized as good), while the control group achieved 65.59 (categorized as sufficient). The t-test yielded a significance value of 0.01 < 0.05; hence, H₀ was rejected and Hₐ was accepted, confirming a significant difference between the two groups. Based on these results, it can be concluded that the use of Android-based interactive media is proven to be more effective in improving students' critical thinking skills in the topic of static fluids compared to the use of Google Sites.
Karakterisasi Moringa oleifera Sebagai Pewarna Alam dalam Dye-Sensitized Solar Cell (DSSC) Obina, Wilfrida Mayasti; Jua, Selestina Kostaria; Weri, Firda
Lensa: Jurnal Kependidikan Fisika Vol. 13 No. 1: June 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-lkf.v13i1.15475

Abstract

Dye-Sensitized Solar Cell (DSSC) merupakan generasi ke tiga dari sel surya yang memanfaatkan dye dari bahan alam. DSSC menggunakan dye alam untuk menyerap cahaya matahari dan diubah menjadi energi listrik secara langsung. Perubahan energi matahari menjadi energi listrik akan menjawab tantangan dunia dalam keterbatasan energi fosil. Dye yang digunakan dalam penelitian ini adalah dye Moringa oleifera. Karakterisasi optik dari dye Moringa oleifera diukur menggunakan spektrofotometer UV-VIS dan diperoleh hasil terdapat tiga puncak penyerapan yaitu pada 334 nm, 412 nm, dan 665 nm. Uji konduktivitas menunjukkan dye Moringa oleifera memiliki nilai 0,49 x 10-3 Ω-1m-1 yang berarti memiliki kemampuan menghantarkan listrik dengan baik. Hasil uji FTIR dye Moringa oleifera diperoleh ada gugus fungsi O-H, C-H, CC, C=O dan C-O. Karakterisasi DSSC menggunakan dye Moringa oleifera diperoleh efisiensi sebesar 0,50 x 10-1%. Hasil kerakterisasi dalam penelitian ini menunjukkan bahwa dye Moringa oleifera tepat untuk dijadikan sentitiser dalam DSSC karena memberikan performa yang baik.
Dampak Kendala Belajar Internal Terhadap Partisipasi dan Keberlanjutan Studi Mahasiswa Asli Papua Jua, Selestina Kostaria; Sumanik, Novike Bela; Obina, Wilfrida Mayasti; Reski, Andi
Lensa: Jurnal Kependidikan Fisika Vol. 13 No. 1: June 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-lkf.v13i1.15507

Abstract

The declining academic participation and study persistence among Indigenous Papuan students at Universitas Musamus highlight a critical issue that demands thorough investigation. While various external factors have been previously examined, this study specifically focuses on internal learning barriers, which remain underexplored in the context of higher education in Papua. The aim of this research is to explore key internal constraints affecting students' academic engagement, including motivation, comprehension of course materials, learning strategies, and personal or social disruptions. Employing a qualitative case study approach and Miles and Huberman’s interactive data analysis model, data were collected through open-ended questionnaires and semi-structured interviews with Indigenous Papuan students. The findings reveal a complex interplay of internal challenges such as low motivation, self-doubt, ineffective learning approaches, and physical or psychological discomforts that hinder students’ learning processes. These internal barriers not only reduce classroom engagement but also negatively impact students’ perseverance in completing their studies. The study underscores the urgent need for contextually responsive and sustained institutional support, such as academic and psychosocial mentoring programs, to foster holistic success among Indigenous Papuan university students.
Implementasi Perangkat Pembelajaran PBL Terintegrasi STEM Berbasis Kearifan Lokal Kelintang Jolo untuk Meningkatkan Motivasi Belajar Siswa Tarigan, Susantri Br; Pathoni, Haerul; Nurhatmi, Jules
Lensa: Jurnal Kependidikan Fisika Vol. 13 No. 1: June 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-lkf.v13i1.15514

Abstract

Penelitian ini bertujuan untuk menguji efektivitas perangkat pembelajaran Problem Based Learning (PBL) terintegrasi STEM berbasis kearifan lokal Kelintang Jolo untuk meningkatkan motivasi belajar siswa pada materi gelombang bunyi. Menggunakan desain quasi experiment nonequivalent control group pada siswa kelas XI SMAN 6 Kota Jambi, data dikumpulkan melalui angket motivasi belajar awal dan akhir dari kelas eksperimen dan kontrol. Hasil uji normalitas menunjukkan seluruh data terdistribusi normal dengan nilai signifikansi >0,05. Uji homogenitas menunjukkan data angket awal dan akhir homogen dengan nilai signifikansi masing-masing 0,319 dan 0,087. Hasil uji t berpasangan pada kelas eksperimen menunjukkan nilai signifikansi 0,000 dengan perbedaan rata-rata -14,286 antara pengukuran awal dan akhir, sementara kelas kontrol juga menunjukkan nilai signifikansi 0,000 dengan perbedaan rata-rata -11,47. Perbandingan peningkatan motivasi belajar antara kelas eksperimen membuktikan bahwa implementasi perangkat pembelajaran PBL terintegrasi STEM berbasis kearifan lokal lebih efektif dalam meningkatkan motivasi belajar siswa.
Worksheet for Ethnoscience-Based Practicum Learning Supported by Simulation Tools: Design and Validation Results Verawati, Ni Nyoman Sri Putu; Rokhmat, Joni; Harjono, Ahmad; Makhrus, Muh
Lensa: Jurnal Kependidikan Fisika Vol. 13 No. 1: June 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-lkf.v13i1.15783

Abstract

This study aims to develop and validate an ethnoscience-based practicum worksheet supported by virtual simulation tools to enhance culturally contextualized science learning. The integration of ethnoscience into science education responds to the need for pedagogical models that connect scientific concepts with students' local cultural knowledge, particularly in educational institution facing limited access to laboratory resources. Utilizing a research and development approach, the study was conducted through three main phases: preliminary investigation, design and construction, and evaluation and revision. The worksheet was structured to include scientific inquiry stages such as observation, hypothesis formulation, virtual experimentation, data analysis, and reflection. Expert validation was conducted using the Delphi method involving six experts in science education, ethnoscience, and educational technology. A Likert scale (1–5) instrument was used to assess content and construct validity, yielding average scores of 4.738 and 4.792 respectively, with a 95.83% agreement rate, indicating high validity and reliability. Suggestions from validators led to improvements in instructional clarity and contextual integration. The results confirm that the developed worksheet is pedagogically sound, technically feasible, and culturally relevant, aligning with 21st-century learning objectives that emphasize critical thinking, inclusivity, and digital literacy. This research offers a practical model for integrating ethnoscientific content with educational technology and contributes to the ongoing development of innovative, inclusive, and adaptive science education practices in Indonesia. Future applications may extend to diverse local contexts, supporting a more holistic and culturally grounded approach to science instruction.
Rainfall and Temperature Analysis for Predicting Drought-Prone Areas in Tangerang Regency Oktarina, Silsa Dwi; Ruhiat, Yayat; Oktarisa, Yuvita
Lensa: Jurnal Kependidikan Fisika Vol. 13 No. 1: June 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-lkf.v13i1.15818

Abstract

Drought has emerged as a critical issue in Tangerang Regency, Banten Province, primarily driven by the prolonged dry season, declining rainfall, and rising temperatures above average, all of which are exacerbated by the El Niño phenomenon. These conditions pose serious threats, including water shortages, reduced agricultural productivity, and the potential for widespread drought if left unaddressed. This study aims to map drought threat levels at the sub-district scale based on rainfall and temperature parameters. The integration of these two variables is essential, as drought is influenced not only by insufficient rainfall but also by elevated temperatures. Thus, a multivariable approach offers a more comprehensive and accurate spatial assessment. The analysis applied in this study involves scoring and overlay techniques for each contributing parameter. The results identify areas with varying degrees of drought threat—low, light, moderate, high, and extreme. Notably, 27.63% of the regency is classified under extreme drought risk, predominantly in the central to southern regions, due to the combination of very low rainfall and very high temperatures. The resulting drought threat map serves as a crucial reference for local governments, farmers, and the Regional Disaster Management Agency (BPBD) in planning effective mitigation strategies, early warning systems, and sustainable water resource management.
Analysis of Students’ Cognitive Conceptual Understanding on Temperature and Heat Material Using a Four-Tier Multiple Choice Diagnostic Test Aini, Hikmah; Sabani, Sabani; Solikin, Solikin; Manik, Krisdayanti; Harahap, Resti Amelya; Putri, Rita Ivanka Pratama; Sibagariang, Selpi Andryani Br.
Lensa: Jurnal Kependidikan Fisika Vol. 13 No. 1: June 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-lkf.v13i1.15822

Abstract

Persistent misconceptions about temperature and heat often undermine students’ progress in thermodynamics.  This study therefore analysed Grade-11 learners’ conceptual understanding of these topics using a Four-Tier Multiple-Choice Diagnostic Test, an instrument that registers answer correctness, explanatory reasoning, and confidence on both selections.  A descriptive quantitative design was adopted.  Thirty students from class XI-34 of SMAN 3 Medan completed a five-item test that had been validated by experts and piloted for clarity; psychometric checks on the study sample confirmed good reliability (Cronbach’s α = 0.88) and adequate item validity (four of five items met the r-table criterion).  Responses were coded into four epistemic categories—Understands Concept (UC), Lacks Knowledge (LK), Misconception (MC), and Error (E)—and analysed. Findings show that overall achievement averaged 30 %, with individual scores ranging from 0 % to 80 %.  Across the entire data set, only 27.3 % of responses were classified as UC, while 19.8 % fell into LK, 45.3 % into MC, and 8.0 % into E.  Item-level analysis revealed that the highest misconception rate (73.3 %) occurred on the question concerning the effect of temperature on objects, whereas the phase-change item yielded the strongest understanding (46.7 % UC, 20 % MC).  These results confirm that misconceptions—especially the conflation of heat with temperature—constitute the principal barrier to coherent learning in this cohort. The study underscores the diagnostic power of four-tier instruments and recommends their wider use across other physics domains, enabling teachers to design confidence-sensitive interventions that directly target high-certainty errors and reinforce fragile correct ideas.
Analysis of a Higher-Order Thinking Skills Assessment Instrument Leveraging Wordwall Embedded in Google Sites for Newton’s Laws Instruction Sari, Lindya; Sabani, Sabani; Solikin, Solikin; Simangunsong, Rufasa Mutia Salwa; Situmorang, Agtrimas; Aldina, Dayang; Nadiyah, Nadiyah
Lensa: Jurnal Kependidikan Fisika Vol. 13 No. 1: June 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-lkf.v13i1.15823

Abstract

This study aimed to develop and validate a Higher-Order Thinking Skills (HOTS) assessment instrument that leverages Wordwall activities embedded in Google Sites for teaching Newton’s Laws. A quantitative-descriptive design with an evaluative approach was employed. Nineteen Grade XI science students from Gajah Mada Private Senior High School were selected through purposive sampling. Item analysis examined validity, reliability, difficulty level, and discrimination power. Of the ten multiple-choice items constructed, five (50 %) met validity criteria, and the instrument achieved a reliability coefficient of 0.492, indicating adequate internal consistency. Difficulty indices classified three items as difficult and seven as moderate, while discrimination indices categorized two items as very good, three as good, one as fair, and four as poor. Students’ mean achievement score of 37.89 % suggests limited familiarity with HOTS-oriented questions. Pedagogically, embedding Wordwall in Google Sites enhanced learner engagement, reduced test anxiety, increased comfort, and simplified teachers’ post-test analysis through automated scoring. Consequently, the HOTS-based instrument is not only statistically sound but also practically effective for supporting digital physics instruction.
Ethnophysics Literature Study of “Tarik Tambang” and “Balap Karung” in the Application of Newton's Law Physics Concepts Simangunsong, Rufasa Mutia Salwa; Aini, Hikmah; Sari, Lindya; Silalahi, Jihan Syifa; Harahap, Nadia Ulfah; Sigiro, Welki Bahri; Panggabean, Deo Demonta
Lensa: Jurnal Kependidikan Fisika Vol. 13 No. 1: June 2025
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/j-lkf.v13i1.15876

Abstract

This study aims to examine the physics concepts embedded in the traditional Indonesian games Tarik Tambang (Tug of War) and Balap Karung (Sack Race) through the application of Newton’s Laws. Conducted within the framework of ethnophysics, the research seeks to bridge scientific principles with local wisdom to foster contextual and engaging physics learning for students. A qualitative approach utilizing literature review was employed, analyzing various scholarly sources related to traditional games and their underlying physical principles. The findings reveal that Tarik Tambang illustrates Newton’s Second Law of Motion and the role of static friction. The game demonstrates how the acceleration of the opposing team is determined by the net pulling force and total system mass, while static friction is essential for maintaining player balance and traction. Additionally, strategies such as placing heavier players at the back enhance force generation and overall team performance. In Balap Karung, Newton’s Third Law and momentum significantly influence participants’ movements. The forward propulsion results from the backward action force exerted by the feet, which is met with an equal and opposite ground reaction force. Momentum affects the stability and speed of the jump, and friction between the sack and ground determines the efficiency of motion. This research highlights the pedagogical potential of traditional games in physics education. By contextualizing Newtonian mechanics through culturally familiar activities, students can develop a more concrete understanding of physical laws. The study recommends incorporating such games into instructional strategies to promote meaningful and culturally responsive science learning.

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