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Muntari Muntari
Pendidikan Kimia, Universitas Mataram
Education

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Analisis Kemampuan Representasi Peserta Didik Pada Praktikum Kimia Materi Asam Basa Kelas Xi Sains SMAN 2 Mataram Nurul Fitriani; Muntari Muntari; Dodiy Firmansyah
Chemistry Education Practice Vol. 8 No. 2 (2025): Edisi November
Publisher : FKIP University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/cep.v8i2.10861

Abstract

This study aims to analyze the chemical representation abilities of students at the macroscopic, submicroscopic, and symbolic levels in acid-base material practicums in class XI Science of SMAN 2 Mataram. The type of research is descriptive quantitative. The study population was 288 students of class XI SMAN 2 Mataram. The research sample was selected using purposive sampling technique obtained by class XI Science 7 students totaling 36 students and class XI Science 8 students totaling 36 students. Data collection techniques used interview, observation, documentation, and test instruments. Data analysis used N-gain percentage. The results showed that students' initial chemical representation abilities were relatively low, with an average pretest of 34.50% (macroscopic), 31.00% (submicroscopic), and 35.00% (symbolic). After the lab-based learning, posttest results showed significant improvements at all levels of representation, namely 85.25% (macroscopic), 78.25% (submicroscopic), and 76.50% (symbolic). The average total improvement increased from 33.50% to 79.99%, and is considered good. These results indicate that the chemistry lab is effective in improving students' representational skills on acid-base material.
PENGGUNAAN MEDIA CHEMO-EDUTAINMENT UNTUK MENINGKATKAN AKTIVITAS DAN PRESTASI BELAJAR SISWA PADA MATERI SEL ELEKTROLISIS DI SMAN 1 PRAYA BARAT DAYA Ulfa Rohimah; Muntari Muntari; Yayuk Andayani; Lalu Rudyat Telly Savalas
Chemistry Education Practice Vol. 9 No. 1 (2026): Edisi Mei
Publisher : FKIP University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/cep.v9i1.11179

Abstract

The low level of students’ learning activities and achievement in topics on electrolysis cells remains a challenge in chemistry learning due to the abstract nature of the concepts involved. This study aimed to improve students’ learning activities and achievement through the use of a Chemo-Edutainment medium, namely the Chemopoly (Chemistry Monopoly) game, on the topic of electrolytic cells at SMAN 1 Praya Barat Daya. This research employed a Classroom Action Research (CAR) design conducted in two cycles. Data were collected through observation, tests, and documentation. Students’ learning activities were assessed using observation sheets, while learning achievement was measured through achievement tests administered at the end of each cycle. The results showed that the implementation of the Chemo-Edutainment medium significantly improved both students’ learning activities and achievement. The average learning activity score increased from 54% in Cycle I to 79% in Cycle II. Similarly, the percentage of students achieving learning mastery improved from 45% in Cycle I to 75% in Cycle II. These findings indicate that the Chemopoly-based Chemo-Edutainment medium is effective in enhancing students’ learning activities and academic achievement in learning about electrolysis cells.
Co-Authors Dodiy Firmansyah Lalu Rudyat Telly Savalas Nurul Fitriani Ulfa Rohimah Yayuk Andayani