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All Journal Jurnal Geliga Sains: Jurnal Pendidikan Fisika Jurnal Pendidikan Komunikasi Fisika Indonesia Pro-Life Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Manajemen Pendidikan Penelitian Kualitatif Jurnal PAJAR (Pendidikan dan Pengajaran) Silampari Jurnal Pendidikan Ilmu Fisika Jurnal Paedagogy Journal of Educational Sciences Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education) Journal of Indonesian Science Teachers
Muhammad Nasir
Department Of Physics Education, Faculty Of Teacher Training And Education, Universitas Riau
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Electrical & Electronics Engineering Energy Immunology & microbiology Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Application of the PDEODE Learning Model Assisted by PhET Simulation to Improve the Cognitive Learning Outcomes of Physics Science for Class VIII Students Farzana Fakhira Faza; Muhammad Nasir; M. Rahmad
Journal of Educational Sciences Vol 8, No 2: April 2024
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jes.8.2.p.187-194

Abstract

Based on the results of a needs analysis conducted by researchers on class VIII students at SMP Negeri 8 Pekanbaru regarding their perceptions of science learning at school, it is known that almost all class VIII students do not understand science lessons. This is due to the use of conventional teaching methods without the help of learning media. One of the facilities that is available and can be used is PhET Simulation. This research aims to determine the cognitive learning outcomes of physics science for class VIII students through the application of the PDEODE learning model assisted by PhET Simulation. This research uses a quantitative approach using experimental methods. The population of this research was class VIII students at SMP Negeri 8 Pekanbaru. Instruments and data collection techniques include posttest. Data analysis includes descriptive analysis with a focus on average student cognitive learning outcomes, as well as inferential analysis through normality tests, homogeneity tests, and hypothesis tests. The research results show that the application of the PDEODE learning model with the support of PhET Simulation causes an increase in students' cognitive learning outcomes in physics subjects.
Potential of palm frond waste as a basic material for making porous activated carbon Novi Yanti; Pharada Kresna; Muhammad Nasir; Rakhmawati Farma; Lilik Tri Hardanto; Rika Taslim; Erman Taer
Indonesian Physics Communication Vol 21, No 1 (2024)
Publisher : Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/jkfi.21.1.99-108

Abstract

Palm frond waste (Elaeis guineensis Jacq.) has been successfully processed as a raw material in the manufacture of porous activated carbon through the development of tools and methods. Preparation of raw materials, drying, pre-carbonization using an energy-efficient furnace, washing, integrated pyrolysis (N2/H2O), neutralization, and conversion of carbon powder into monolith coins are the general steps for making porous activated carbon. The focus of this research lies in increasing the production of activated carbon from a laboratory scale to an industrial scale through efficiency in all aspects of production. Precarbonization and pyrolysis are important stages in increasing the scale of activated carbon production. Currently, the conversion of biomass waste into carbon is still on a laboratory scale, namely by using an electric oven which is not time efficient, not economical and not energy efficient. Increasing the scale of pre-carbonization is carried out by replacing the use of electric ovens with modified energy-saving furnaces that can increase carbon production up to 74% in a very efficient time. Furthermore, the physical activation stage (pyrolysis) is carried out in a water vapor (H2O) environment and without the addition of chemicals as activating agents, of course it is more economical and environmentally friendly. This scale-up is the main key in the development of porous carbon which has high potential for application as a component in energy storage devices, namely electrodes in supercapacitors. Through these results it is known that the fronds of palm leaves have great potential as a basic material for making sustainable activated carbon to be forwarded to an industrial scale.
Co-Authors Aldila Novriandami Annisa Arrahma Azhar Azhar Cahya Meirita Catharine Miranda Erman Taer Ernidawati, Ernidawati Erviyenni Erviyenni Fakhruddin Z Farzana Fakhira Faza Fauziah Hafni Fitri Kusuma Ningrum Giri Kartika Gusti Randa Hafirizka Hafirizka Hafiz Suhendra Lilik Tri Hardanto Lyra Tri Insani M. Rahmad M. Rahmad M. Rahmad M. Rahmad Mar’atul Masruroh Miftahul Jannah Muhammad Sahal Muhammad Syafi’i Muhammad Syafi’i Naila Fauza Novi Yanti Nur Islami Nurul Azizah Pharada Kresna Prio Sigit Nugroho Prio Sigit Nugroho Rahmi Yunita Rakhmawati Farma Resti Yevira Yevira Rika Taslim Rini Senawati Riwayani Riwayani Rizo Budi Prastowo S. Ratih Uswatun Khasanah Syakdanur Nas Syoffa Ulya Tomy Suherly Vebby Oksaviona