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All Journal Jurnal Pembelajaran Fisika Journal BEARINGS: Borneo Mechanical Engineering and Science
Nurseptiani, Syifa
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Control & Systems Engineering Earth & Planetary Sciences Education Energy Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences

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Pengaruh Penerapan Model Pembelajaran Problem Based Learning Terhadap Kemampuan Literasi Sains Siswa SMPIT Cordova Samarinda Nurseptiani, Syifa; Zulkarnaen, Zulkarnaen; Qadar, Riskan
JURNAL PEMBELAJARAN FISIKA Vol. 12 No. 4 (2023): Jurnal Pembelajaran Fisika (JPF) Universitas Jember
Publisher : Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jpf.v12i4.43632

Abstract

Scientific literacy refers to an individual's ability to apply understanding of concepts, scientific processes, and the use of scientific knowledge to solve real-life problems. This research aims to the influence of the Problem Based Learning (PBL) learning model on students' scientific literacy abilities at SMPIT Cordova Samarinda with a focus on the subject of climate change. In addition, this research aims to measure improvements in indicators of scientific literacy skills among students. This research uses a quantitative approach with a quasi-experimental research type and a nonequivalent control group design. The research population consisted of class VII students at SMPIT Cordova Samarinda, totaling 140 students spread across five classes. The experimental group consisting of 30 Class VII B1 students and the control group consisting of 28 Class VII B2 students were selected as samples. Data collection involved an assessment consisting of 8 essay questions given to students before and after participating in the PBL session. This research shows a statistically significant positive effect of using the PBL model on students' scientific literacy skills, with the highest increase in indicators seen in evaluating and designing scientific investigations.
Arang Kayu, Batok Kelapa, Kulit Durian Dan Kulit Pisang Sebagai Bahan Pengganti Resistor Film Karbon Wisutama, Remanda Arya; Nurseptiani, Syifa; Azizah, Athirah Nur; Subagiyo, Lambang; Nuryadin, Atin
Journal BEARINGS: Borneo Mechanical Engineering and Science Vol 1, No 1 (2022)
Publisher : Universitas Borneo Tarakan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (352.89 KB) | DOI: 10.35334/bearings.v1i1.3050

Abstract

Indonesia’s dependence on imported resistors must be addressed. Producing domestic resistors and using cheaper, more efficient materials is one way to reduce it. The purpose of this study was to determine the specific resistances of carbon film resistors produced from several natural materials. The carbon film resistors were made from 4 different charcoal materials: wood, coconut shells, banana peel, and durian peel charcoals. The fine natural charcoals were put into straws with different cross-sectional areas and lengths. The resistance was measured using a digital multimeter, and the specific resistance was subsequently calculated. The highest specific resistance was obtained by wood charcoal of 8.68x106Ωm, then followed by coconut shell charcoal, durian peel charcoal, and banana peel charcoal, which were 7.23x106Ωm, 4.91x106Ωm, and 4.37x106Ωm, respectively. Based on this research, wood, coconut shell, banana peel, and durian peel charcoals have the potential to be used as alternative materials to replace carbon film resistors.
Co-Authors Atin Nuryadin Azizah, Athirah Nur Lambang Subagiyo Riskan Qadar, Riskan Wisutama, Remanda Arya Zulkarnaen Zulkarnaen