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All Journal Jurnal Penelitian Pendidikan IPA (JPPIPA) International Journal of STEM Education for Sustainability
Putri, Bella Yunisah
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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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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.
Understanding the Terminal Velocity of Particle Motion in Fluids at the Senior High School Level with Numerical Experiments Hun, Hilarius Donatus; Fahra, Raden Manzilah Mubarokah; Putri, Bella Yunisah; Aufia, Yasrifa Fitri; Jubaedah, Jubaedah
International Journal of STEM Education for Sustainability Vol 4, No 2 (2024)
Publisher : Gemilang Maju Publikasi Ilmiah (GMPI) 

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53889/ijses.v4i2.389

Abstract

Investigating the motion of solid particles in fluids analyzes the drag force experienced by the particles, depending on parameters such as particle diameter, fluid velocity, density, and viscosity. The Reynolds number, which expresses a fluid's inertia relative to its viscosity, governs the dimensionless drag coefficient, which is critical to understanding drag forces. Terminal velocity, achieved when the force of gravity equals the buoyancy and drag forces of the fluid, is a critical concept often analyzed using the Stokes model. However, differences between theoretical and experimental terminal velocities arise due to oversight of the model's application conditions. Numerical experiments offer controlled conditions to address this, helping predictions align with theoretical models. This research explores the influence of density ratio and particulate diameter on terminal velocity, aiming to support research-based learning for teachers and conceptual understanding for students. Numerical experiments designed by Arbie et al. (2021) investigated two-dimensional particulate configurations, allowing controlled manipulation of parameters. The results show a strong influence of the density ratio and diameter to the terminal velocity, with larger parameter values influencing the Reynolds number and giving rise to differences between theoretical and experimental values. Therefore, careful parameter selection is essential for viscosity experiments, aligning with the objectives and comparability of theoretical models.
Co-Authors Aufia, Yasrifa Fitri Fahra, Raden Manzilah Mubarokah Hun, Hilarius Donatus JUBAEDAH JUBAEDAH, JUBAEDAH Putri, Hawinda Restu Sani, Nurma Mahendra Triyanta Widayani