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Putri, Hawinda Restu
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics

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Journal : Jurnal Penelitian Pendidikan IPA (JPPIPA)

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Pengembangan E-LKPD Terintegrasi Data BMKG dalam Pembelajaran Termodinamika Aufia, Yasrifa Fitri; Putri, Hawinda Restu; Sani, Nurma Mahendra; Putri, Bella Yunisah; Widayani; Triyanta
Jurnal Penelitian Pendidikan IPA Vol 11 No 9 (2025): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i8.11439

Abstract

This study aimed to develop an electronic student worksheet (E-LKPD) integrates real data from the Meteorology, Climatology, and Geophysics Agency (BMKG) for thermodynamics learning. The research employed the 4D development model (define, design, develop, and disseminate). At the define stage, the need for contextual learning media was identified, highlighting the importance of linking physics concepts with authentic climate data. The E-LKPD was designed with interactive and digital features to enhance student engagement. Validation by experts and teachers confirmed its validity and practicality. A classroom trial involving 35 students showed positive responses, improved conceptual understanding, and increased motivation. Observations further revealed that the integration of real climate data made physics learning more meaningful and engaging. In conclusion, the BMKG-based E-LKPD is a valid, practical, and effective learning resource that supports both conceptual mastery and student enthusiasm. Future research is recommended to examine its wider application in diverse classroom settings.
Optimasi Sistem MagnetoHydrodynamics (MHD) Sederhana untuk Aplikasi Aliran Fluida Putri, Hawinda Restu; Ratri, Bekti Afre; Kusumastuti, Nining; Khotimah, Siti Nurul
Jurnal Penelitian Pendidikan IPA Vol 11 No 5 (2025): May
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i5.10598

Abstract

Magnetohydrodynamics (MHD) studies the relationship between electromagnetism and fluid mechanics, a concept with various practical applications, including marine propulsion systems and electromagnetic pumps. This study aims to optimize a simple MHD system to improve the performance of fluid rate measurement based on electromagnetic principles. Optimization is carried out through the analysis of the influence of variations in several system characteristics, namely the given electrical voltage, the distance between electrodes, the length of the electrode, and the salinity of the saltwater. The method employed is experimental, utilizing a simple MHD system design that enables the quantitative observation of changes in the speed of saltwater resulting from the interaction between magnetic and electric fields. The speed of saltwater is measured using a visual approach with the Tracker analysis application. The results showed that increasing the voltage and salinity of the saltwater, as well as decreasing the electrode length or the distance between electrodes, all contribute to increasing the speed of saltwater flow. In other words, each parameter makes a significant contribution to fluid dynamics, thereby allowing for the optimal configuration of the MHD system. The findings in this study are expected to serve as the basis for the development of simple MHD-based fluid rate measurement instruments that are efficient and applicable, enabling a concrete illustration of electromagnetic theory and fluid dynamics.
Co-Authors Aufia, Yasrifa Fitri Kusumastuti, Nining Putri, Bella Yunisah Ratri, Bekti Afre Sani, Nurma Mahendra Siti Nurul Khotimah Triyanta Widayani