Fitri, Muhammad Fauzan
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Physical Characterization of Paper Made from Durian Peels and Corn Stalks Nuryadin, Atin; Fitri, Muhammad Fauzan; Wati, Retno Rahma; Fadhilah, Khairunnisa Hayatul; Subagiyo, Lambang; Damayanti, Isniawana
KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Vol 9 No 01 (2024): KONSTAN (Jurnal Fisika dan Pendidikan Fisika)
Publisher : Universitas Islam Negeri (UIN) Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20414/konstan.v9i01.543

Abstract

The increasing demand for paper has significantly impacted the environment due to the heavy reliance on wood as a primary raw material. This study investigates the feasibility of using durian (Durio zibethinus) peels and corn (Zea mays) stalks as alternative raw materials for paper production, focusing on their physical characteristics. The paper pulp was prepared using the soda pulping method with NaOH. Various ratios of durian peels and corn stalks were mixed: 1:0 (A), 0:1 (B), 1:1 (C), 2:1 (D), and 1:2 (E). Results indicated that type D produced the thickest paper, while type A produced the thinnest. The highest grammage was observed in type E, and the lowest in type D. Type C showed the highest absorbency. The tensile and tear indexes were highest in type D and lowest in type C. Type A had the highest mass density, whereas type D had the lowest. The findings suggest that a combination of durian peel and corn stalks exhibits diverse physical properties, indicating their potential use as an alternative to conventional wood-based paper. This approach could reduce the dependency on wood and contribute to environmental conservation.
Bontang City Physics Teachers' Understanding of Revised Bloom's Taxonomy Cognitive and Knowledge Dimensions in Physics Questions Fitri, Muhammad Fauzan; Qadar, Riskan; Hakim, Abdul
Kasuari: Physics Education Journal (KPEJ) Vol. 7 No. 2 (2024): December 2024
Publisher : Universitas Papua, Jurusan Pendidikan Fisika FKIP Unipa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37891/kpej.v7i2.559

Abstract

This study aims to determine the teacher's understanding of physics questions in revised Bloom taxonomy on optics. This type of research is descriptive quantitative research using survey method. The population of this study were Physics Subject Teachers in Bontang City. Sampling technique carried out using purposive sampling technique with criteria of teachers who teach Physics subjects for junior and senior high school. Data collection techniques were carried out using test and analyzed based on predetermined categories. The results obtained are the understanding of cognitive dimension of teacher is in the medium category with details of very high category 0%, high category 10%, medium category 47%, low category 30%, and very low category 13%. While in knowledge dimension, teachers' understanding is in the moderate category with details of very high category 3%, high category 7%, medium category 33%, low category 50%, and very low category 7%.