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All Journal Pendas : Jurnah Ilmiah Pendidikan Dasar Journal Of Research and Education Chemistry (JREC) International Journal of Humanities, Law, and Politics
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Pencil Lead Electrode Termodifikasi Lapisan Tipis Perak Untuk Deteksi Ion Logam Cd2+ Dengan Metode Voltammetri Fadiah; Trisna Kumala Sari
Journal of Research and Education Chemistry Vol. 6 No. 2 (2024): Oktober
Publisher : UIR Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25299/jrec.2024.vol6(2).18661

Abstract

Cd2+ metal ions are contaminants that threaten the environment and human health. The purpose of the study is to study the electrochemical responses of PLE and Ag/PLE to detect Cd2+ metal ions, as well as to determine the best supporting electrolyte condition for measuring Cd2+ ions. The cyclic voltometric method is used to modify the electrodes by depositing a thin layer of silver. The results of the study show that Ag/PLE is better for detecting Cd2+ ions compared to PLE. The optimum conditions were obtained with a supporting electrolyte of acetate buffer pH 4.
Regional Autonomy in the Context of the Unitary State of Indonesia: Evaluation of Household Systems, Measurement Parameters, and the Rationality of Decentralization Fadiah; suhaimi, nurnisaa; Laksito, Grida Saktian
International Journal of Humanities, Law, and Politics Vol. 2 No. 1 (2024): International Journal of Humanities, Law, and Politics
Publisher : Communication in Research and Publications (CRP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijhlp.v2i1.83

Abstract

Regional autonomy in the context of the unitary state of Indonesia is a phenomenon based on constitutional foundations, especially Article 18 paragraph (1) of the 1945 Constitution. This discussion examines the regional household system, parameters for measuring regional autonomy, as well as the rationality and arguments supporting decentralization. The regional household system, consisting of material, formal and real, raises considerations regarding the granting of autonomous rights to regions. The measurement parameters involve authority quotas, supervision systems, methods for selecting regional heads, and the process of making regional regulations, but further clarification is needed. The rationality of regional autonomy includes efficiency, political education instruments, strengthening political stability, political equality, preparation for political careers, and accuracy of development planning. Arguments supporting decentralization highlight the prevention of accumulation of power, popular participation, government efficiency, adaptation to regional specificities, and direct assistance for development. Strengthening regional autonomy requires regulatory capabilities, adjustments to national regulations, local political support, financial resources, and human resource development. This research reflects efforts to understand, evaluate and strengthen regional autonomy systems to support regional development and national stability.
PENERAPAN PROBLEM BASED LEARNING BERBANTUAN MEDIA POWERPOINT UNTUK MENINGKATKAN KEAKTIFAN SISWA PADA PEMBELAJARAN IPAS KELAS V SDN 106840 KAMPUNG BENAR Fadiah; Umar Darwis; Nurjannah; Sukmawarti
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 11 No. 03 (2026): Volume 11 Nomor 03, September 2026 Public
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v11i03.60467

Abstract

Based on observations, problems were identified during the learning process, including the continued use of lecture methods and the lack of use of instructional media. This resulted in a lack of student engagement. The research problem was formulated to determine teacher and student activities in enhancing student learning engagement through the application of PowerPoint-assisted Problem-Based Learning in fifth-grade science lessons. The purpose of this study was to determine whether the application of PowerPoint-assisted Problem-Based Learning can improve student engagement in fifth-grade science lessons at SD Negeri 106840 Kampung Benar. This study was a Classroom Action Research (CAR). The subjects were 26 fifth-grade students at SD Negeri 106840 Kampung Benar with a Minimum Completion Score (KKM) of 70. Data collection techniques included observation and tests, followed by analysis using simple statistical formulas. The results showed that teacher engagement was 89.47%. Student engagement was 92.10%. Student engagement was 88.46%. Based on the research data, it can be concluded that the implementation of PowerPoint-assisted Problem-Based Learning can improve student engagement in science in fifth-grade students at SD Negeri 106840 Kampung Benar.
Co-Authors Laksito, Grida Saktian Nurjannah suhaimi, nurnisaa Sukmawarti Trisna Kumala Sari