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All Journal JURNAL PENDIDIKAN DAN ILMU FISIKA PSEJ (Pancasakti Science Education Journal)
Heryawan, Muhammad Agum
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Chemistry Education Physics

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Analisis Hasil Pengukuran Tegangan Permukaan Menggunakan Metode Cookbook terhadap Suhu dan Panjang Tali Hanifah, Rifda Arifa; Heryawan, Muhammad Agum; Insani, Salwa Mulya; Malik, Adam
Jurnal Pendidikan dan Ilmu Fisika Vol 6 No 1 (2026): June 2026 (in press)
Publisher : Universitas Garut

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52434/jpif.v6i1.42483

Abstract

This study aims to evaluate the feasibility of a cookbook-based practicum method as an experimental technique in physics learning, particularly for the concept of liquid surface tension, and to examine its limitations related to the effects of temperature and rope length. The experiment was conducted at the Integrated Laboratory of UIN Sunan Gunung Djati Bandung using simple materials such as soapy water, yarn, chopsticks, and a thermometer. This study examines the relationship between temperature and surface tension, which is theoretically inversely proportional. However, the experimental results show that surface tension increases with increasing temperature, indicating a direct relationship. This discrepancy between experimental results and theory occurs due to a decrease in liquid temperature during the practicum process, where the initial temperature of the hot water at  72°C decreased to near room temperature (22°C) by the end of the experiment, thereby affecting the measured surface tension values. The study also shows that variations in rope length affect the radius and surface tension of the liquid, indicating a shift in the distribution of intermolecular forces at the surface. The implications of these findings highlight the importance of monitoring experimental conditions and the need for a laboratory approach that is both more accurate and practical for educational purposes. These findings further emphasize that the cookbook-based practicum method is effective in supporting qualitative understanding of surface tension concepts, but has limitations in quantitative accuracy. Therefore, this study encourages the development of more structured and controlled simple practicum guidelines to support physics learning in educational laboratories.
Implementasi Alat Praktikum Viskositas Berbasis Sensor Infrared Obstacle dalam Pembelajaran Fisika di SMA Hanifah, Rifda Arifa; Insani , Salwa Mulya; Heryawan, Muhammad Agum; Malik, Adam
PSEJ (Pancasakti Science Education Journal) Vol. 11 No. 1 (2026): In Press
Publisher : Program Studi Pendidikan IPA, FKIP Universitas Pancasakti (UPS) Tegal

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24905/psej.v11i1.292

Abstract

Peralatan laboratorium yang terbatas masih menjadi hambatan utama dalam melaksanakan eksperimen fisika di sekolah menengah, terutama pada topik dinamika fluida. Penelitian ini bertujuan untuk menerapkan alat eksperimen viskositas yang menggunakan sensor inframerah sebagai bahan ajar fisika untuk kelas XII di Madrasah Aliyah Serba Bakti, serta mengevaluasi kesesuaiannya untuk digunakan dalam kegiatan praktikum. Metode penelitian yang digunakan adalah deskriptif kualitatif, dengan langkah-langkah meliputi persiapan peralatan, pengembangan modul praktikum berbasis penyelidikan, uji kelayakan terbatas oleh kelompok eksternal, dan implementasi di kelas. Hasil implementasi menunjukkan bahwa siswa mampu mengumpulkan data tentang waktu tempuh bola melalui berbagai jenis fluida secara stabil dan sesuai dengan teori viskositas. Namun, terdapat tantangan teknis terkait sensitivitas sensor inframerah terhadap cahaya dan lokasi objek. Secara keseluruhan, alat praktikum ini terbukti efektif dalam membantu siswa memahami konsep viskositas secara lebih konkret dan relevan, dan memiliki potensi untuk dikembangkan lebih lanjut sebagai alat praktikum fisika berbasis teknologi.
Co-Authors Adam Malik Hanifah, Rifda Arifa Insani , Salwa Mulya Insani, Salwa Mulya