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All Journal Jurnal Neutrino : jurnal fisika dan aplikasinya Omega: Jurnal Fisika dan Pendidikan Fisika Jurnal Fisika FLUX Jurnal Biodjati Indonesian Physical Review JPPS (Jurnal Penelitian Pendidikan Sains) Asean Journal of Science and Engineering (AJSE) Bulletin of Chemical Reaction Engineering & Catalysis
Husain, Sadang
Department Of Physics, Lambung Mangkurat University, Jl. A. Yani Km 36 Banjarbaru
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Earth & Planetary Sciences Education Engineering Materials Science & Nanotechnology Physics

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Developing Learners' Digital Literacy through Guided Discovery Learning on the Matter of Work and Energy Rahman, Faisal; Suyidno, Suyidno; Miriam, Sarah; Husain, Sadang
JPPS (Jurnal Penelitian Pendidikan Sains) Vol. 13 No. 1 (2023)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/jpps.v13n1.p42-53

Abstract

Digital literacy is essential in educational field and digital society, but it has received less attention in schools. Objective:  This paper will analyze the effectiveness of work and energy teaching materials through guided discovery learning to improve students' digital literacy.  Method: This study applied a one-group pretest and posttest design on 26 secondary level students of grade X. Data collection techniques used digital literacy questionnaire instruments, learning outcomes tests, and interviews. Results: The results showed that the n-gain of students’ digital literacy and learning outcomes were medium criteria and high criteria, respectively. Thus, the developed physics teaching materials through guided discovery learning are effective for improving students' digital literacy. Novelty: Previous studies have not used guided discovery on work and energy teaching material to train students' digital literacy.
PERFORMANCE OF ACTIVATED CARBON FROM WATER CHESTNUT (ELEOCHARIS DULCIS) as Fe ADSORBENT Safitri, Maya; Haryanti, Ninis Hadi; Suryajaya, Suryajaya; Husain, Sadang
Indonesian Physical Review Vol. 8 No. 3 (2025)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v8i3.483

Abstract

This research aims to investigate the performance of activated carbon from water chestnut (WC) as an Fe adsorbent on river water samples in South Kalimantan. The WC was carbonized at a temperature of 400 °C. Then the carbon was activated with two types of activators, KOH and H2SO4 solutions. The carbonization and the activation time were also varied in two different times, 1 and 2 hours. The electrical conductivity of Martapura River water was measured to investigate its condition or quality, and yielded about 0.56   or 5600 µS/cm. It is quite large compared to the standard 1000 µS/cm. After activated carbon treatment, the electrical conductivity is reduced by about 6.67 – 13.81%. For Fe adsorption, the reduction efficiency and adsorption capacity were in the range of 7.73 % – 22.94 % and 0.50 – 1.47 mg/g. The results showed that the prepared activated carbon is effective in adsorption and decreases the Fe metal content at room temperature.
Co-Authors Abdul Kamaruddin Agung Nugroho Agus Riyanto Amiruddin Kade Anang Kadarsah Apriadi Apriadi Arjo, Sugianto Dafiuddin Salim Fahruddin Fahruddin Faisal Rahman, Faisal Henri Wardhana Ibrahim Sota Irfansyah, Muhammad Maria Dewi Astuti Marta Dinata Maya, Safitri N. Novia, N. Nada Sofi Andini Ninis Hadi Haryanti, Ninis Hadi Permitaria, Antung Rahmat Basuki Rodiansono Rodiansono S. Supriyadi, S. Sarah Miriam, Sarah Supriyatman, Supriyatman Suryajaya Suryajaya Suryajaya Suryajaya Suryajaya Suryajaya, Suryajaya Sutomo Sutomo Suyidno Suyidno Tetti Novalina Manik Yulia Anggraini