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All Journal Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Jurnal Pendidikan MIPA
Jannah, Rouzatul
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Computer Science & IT Education Engineering

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Pengaruh Perbandingan Volume Em4 Dengan Massa Serat Tandan Kosong Kelapa Sawit Pada Pembuatan Pupuk Organik Cair Dari Limbah Cair Industri Kelapa Sawit Jannah, Rouzatul; Kurniawan, Eddy; Dewi, Rozanna
Prosiding Sains Nasional dan Teknologi Vol 11, No 1 (2021): PROSIDING SEMINAR NASIONAL SAINS DAN TEKNOLOGI 11 2021
Publisher : Fakultas Teknik Universitas Wahid Hasyim

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36499/psnst.v1i1.4859

Abstract

Pupuk organik cair adalah pupuk yang berwujud cair yang bahan dasarnya berasal dari hewan atau tumbuhan yang sudah mengalami fermentasi. Pupuk organik cair mengandung unsur hara nitrogen, fosfor, kalium dan unsur hara mikro lainnya yang dibutuhkan oleh tanaman serta dapat memperbaiki unsur hara dalam tanah. Tujuan dari penelitian ini yaitu untuk menganalisa kandungan nitrogen, fosfor dan kalium dalam pupuk organik cair yang terbuat dari bahan baku limbah cair industri kelapa sawit dengan penambahan serat tandan kosong kelapa sawit. Salah satu pembuatan pupuk organik cair melalui proses fermentasi. Dalam hal ini digunakan bioaktivator EM-4 effective microorganisme dan variasi penggunaan volume EM4 dengan penambahan serat tandan kosong kelapa sawit. Variasi perbandingan EM4 (ml) dengan massa serat tandan kosong kelapa sawit (gram) adalah 20:10, 30:15, 40:20, 50:25, 60:30 dan difermentasikan selama 9, 11 dan 13 hari. Hasil penelitian dari perbandingan volume EM4 dengan massa serat tandan kosong kelapa sawit diperoleh pupuk organik yang terbaik adalah pada perbandingan 60:30 dengan kandungan unsur hara nitrogen 2,47% fosfor 3,14% dan kalium 2,29% pada hari ke 13.
Exploring The Effect of Discussion Based Learning in The Flipped Classroom on Physics Concept Mastery Saputri, Mawarni; Evendi, Evendi; Jannah, Rouzatul
Jurnal Pendidikan MIPA Vol 26, No 1 (2025): Jurnal Pendidikan MIPA
Publisher : FKIP Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jpmipa.v26i1.pp327-339

Abstract

This study aims to determine the effect of the Flipped Classroom learning model through the discussion method in improving students' conceptual understanding in physics learning. The population in this study consisted of all 49 eleventh-grade students, divided into a control class and an experimental class. The instruments used in this study were test instrument (two tier test) and non-test instruments (observation sheet and student response questionnaires). Students categorized as having a "known concept" in the control class increased to 67%, while in the experimental class, this increased to 88%. Students categorized as having a "misconception" in the control class decreased to 33%, and in the experimental class, this decreased to 20%. Students categorized as "guessing" in the control class decreased to 4%, while in the experimental class, this decreased to 0%. Students categorized as having an "unknown concept" in the control class decreased to 33%, while in the experimental class, this decreased to 24%. The results of the analysis of the student response questionnaire showed an average score of 72.25, which indicated to "good" category. The hypothesis test results revealed a ????????ount value of 5.605 > ???????????????????????? value of 1.67, indicating a significant difference in the improvement of conceptual understanding between students in the experimental and control class. Furthermore, the N-Gain analysis resulted in a score of 0.74, categorized as high. Therefore, it can be concluded that the Flipped classroom learning model through the discussion method positively influences students' conceptual understanding in physics learning.       Keywords: flipped classroom learning model, discussion method, conceptual understanding.
Co-Authors Eddy Kurniawan evendi, evendi Rozanna Dewi Saputri, Mawarni