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All Journal JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Journal of Innovative Physics Teaching (JIPT)
Masturi
Universitas Negeri Semarang
Education Physics Other

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Analisis Nilai Kalor dan Laju Pembakaran Arang Cangkang Buah Karet Siti Hadijah; Azizah Mutiarani; Masturi; Ian Yulianti
JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Vol. 6 No. 2 (2022): November Edition
Publisher : Universitas Nurul Huda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30599/jipfri.v6i2.787

Abstract

Rubber fruit shells are found as agricultural waste. Many farmers have not used rubber fruit shells. Therefore, the researchers made alternative fuels from rubber fruit shells containing 60-80% cellulose and 5-20% lignin. The research objective was to analyze the calorific value and burning rate of rubber fruit shell charcoal. The combustion rate test is carried out by burning charcoal and measuring how long it takes to turn into ash, and the mass of the burned ash. The heating value is done by making a simple furnace from a can filled with charcoal with a mass of 5g, 10g, 15g, 20g, 25g and 30g. 200ml of water is placed on the stove until it boils, measure the time and temperature when it boils. The result of the longest burning rate is 2.12g / minute. The heating value that results in high temperatures and large coals is 332.4 kJ. The conclusion of this study is that rubber fruit shells which have a large mass are very good to be used as an alternative fuel with a very high combustion rate and calorific value.
Trends in Digital Based Physics Teaching Material Development and Their Impact on Twenty First Century Learning: A Systematic Literature Review Alexander Mahombar; Putut Marwoto; Sutikno; Masturi; Bambang Subali
Journal of Innovative Physics Teaching Vol. 4 No. 1 (2026): Journal of Innovative Physics Teaching (JIPT)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/jipt/vol4-iss1/146

Abstract

The rapid advancement of digital technology has transformed physics learning into a more interactive and student-centered process that supports twenty first century competencies. However, studies on digital-based physics teaching materials remain fragmented and have not comprehensively explored publication trends, teaching material types, research methods, research networks, and their impacts on twenty first century learning. Therefore, this research purpose to analyze and visualize trends in the development of digital-based physics teaching materials from 2020 to 2025. This research employed a Systematic Literature Review (SLR) combined with bibliometric analysis using Bibliometrix and VOSviewer software. The data consisted of 34 Scopus-indexed articles selected through the PRISMA procedure based on relevance and publication quality. The findings indicate that research publications on digital-based physics teaching materials increased significantly during the analyzed period, with e-modules emerging as the most dominant type of teaching material. The research also revealed that digital teaching materials positively contribute to improving students’ conceptual understanding, critical thinking, higher-order thinking skills, scientific literacy, creativity, collaboration, and learning independence. In conclusion, digital-based physics teaching materials have become strategic learning innovations that support adaptive and technology-integrated physics education in the twenty first century and provide important references for future educational development.
Co-Authors Alexander Mahombar Azizah Mutiarani Bambang Subali Ian Yulianti, Ian Putut Marwoto Siti Hadijah Sutikno