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Jurnal Pendidikan Kimia Universitas Riau
Published by Universitas Riau
ISSN : 24778575     EISSN : 27215164     DOI : 10.33578/jpk-unri
Core Subject : Science, Education,
Chemistry Education Other
Jurnal Pendidikan Kimia Universitas Riau (JPK UNRI)menerbitkan makalah ilmiah dari hasil penelitian dan Tinjauan literatur dalam Bidang Pendidikan Kimia dan Sains. Makalah ilmiah diterbitkan setelah dilakukan peer review. Hasil penelitian yang dapat diterbitkan dalam bidang pendidikan Kimia (seperti penelitian pengembangan dan penelitian Penerapan pada Pendidikan Menengah, Pendidikan tinggi) dan semua bidang sains. JPK UNRI diterbitkan dibawah Program Studi Pendidikan Kimia, FKIP Universitas Riau.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 10 Documents
 1 
Search results for , issue "Vol. 10 No. 2 (2025): Juli: Jurnal Pendidikan Kimia Universitas Riau" : 10 Documents clear
Pengaruh Keterampilan Komunikasi Interpersonal dan Kepercayaan Diri Terhadap Hasil Belajar Peserta Didik Pada Mata Pelajaran Kimia Ariria, Amna; Anwar S, Lenny; Albeta, Sri Wilda
Jurnal Pendidikan Kimia Universitas Riau Vol. 10 No. 2 (2025): Juli: Jurnal Pendidikan Kimia Universitas Riau
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Riau

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Abstract

This research aims to determine the influence of interpersonal communication skills and self-confidence on 10th-grade students' chemistry learning outcomes, both partially and simultaneously, at SMA Negeri 4 Pekanbaru. This type of research is a survey study with a quantitative approach. The data collection methods used in this study are questionnaires and documentation. The validated questionnaires on interpersonal communication skills and self-confidence were distributed to a sample of 200 students selected using the simple random sampling technique. Data on chemistry learning outcomes were collected through documentation. The data analysis methods applied in this study were simple and multiple linear regression analyses. The results showed that (1) there is a positive and significant influence of interpersonal communication skills on chemistry learning outcomes, (2) there is a positive and significant influence of self-confidence on chemistry learning outcomes, and (3) there is a positive and significant simultaneous influence of interpersonal communication skills and self-confidence on chemistry learning outcomes.
Analisis Self-Efficacy Dan Keterampilan Komunikasi Terhadap Hasil Belajar Peserta Didik Pada Mata Pelajaran Kimia Shara, Aulia Rahmatia; Anwar, Lenny; Linda, Roza
Jurnal Pendidikan Kimia Universitas Riau Vol. 10 No. 2 (2025): Juli: Jurnal Pendidikan Kimia Universitas Riau
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Riau

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Abstract

This research aims to determine the influence of self-efficacy and communication skills on the learning outcomes of 11th-grade students in chemistry, both partially and simultaneously, at SMA Negeri 4 Pekanbaru. This type of research is a survey study with a quantitative approach. The data collection methods in this research include questionnaires and documentation. The questionnaire in the research has been validated and consists of 20 statements using a Likert scale. The sampling technique is simple random sampling, where the sample size is 175 students. Documentation is used to collect data in the form of chemistry learning outcomes. The analysis used in this research is simple and multiple linear regression analysis. The results show that (1) there is a positive influence of self-efficacy on chemistry learning outcomes, (2) there is a positive and significant influence of communication skills on chemistry learning outcomes, and (3) there is a positive and significant simultaneous influence of self-efficacy and communication skills on chemistry learning outcomes
Pengembangan E-LKPD Berbasis Guided Inquiry Terintegrasi Etnokimia Menggunakan Liveworksheets Pada Materi Laju Reaksi Muthia, Kesya Zahra; Erviyenni, Erviyenni; Haryati, Sri
Jurnal Pendidikan Kimia Universitas Riau Vol. 10 No. 2 (2025): Juli: Jurnal Pendidikan Kimia Universitas Riau
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Riau

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Abstract

This research aims to produce a valid E-LKPD and find out the user response to the developed E-LKPD. This research is designed using development research with a 4-D development model consisting of four stages, namely define, design, develop, and disseminate. However, this research was only carried out until the development stage. Research instruments in the form of validation sheets and user response sheets. The instruments used are validation sheets and user response sheets. Validation is carried out by two material expert validators and one media expert validator, and user responses are obtained from teachers and students. The results of the validation of the material based on the aspect of content feasibility, the characteristics of the Guided Inquiry integrated with ethnochemistry, presentation, linguistics, and graphics in a row, namely 95.31%; 97,91%; 96,87%; 93,75%; and 90,62% with valid categories. Media validation results are based on aspects of E-LKPD size, E-LKPD cover design, and E-LKPD content design with 100%; 93,75%; and 95% with valid categories respectively. User response test results were obtained with an average score of 95.83% by chemistry teachers with very good criteria and 91.44% by students with very good criteria.
Upaya Peningkatan Aktivitas Belajar dan Kemampuan Berpikir Kritis Peserta Didik Melalui Model Discovery Learning pada Materi Kesetimbangan Kimia Tantri, Ristamulia; Holiwarni, Betty; Albeta, Sri Wilda
Jurnal Pendidikan Kimia Universitas Riau Vol. 10 No. 2 (2025): Juli: Jurnal Pendidikan Kimia Universitas Riau
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Riau

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Abstract

This study aims to improve learning activities and critical thinking skills of students by implementing the discovery learning model. This type of research is classroom action research. Data collection was carried out in January 2025. The sample in this study were 36 students of class XI 1 SMAN 6 Pekanbaru. The instruments used were observation sheets of student and teacher activities, evaluation questions and test questions at the end of each cycle based on critical thinking indicators. The results of the study showed that student learning activities increased from cycle I by 56.94%, including the sufficient category, and in cycle II by 71.48%, including the good category, and critical thinking skills increased from cycle I by 55.56% to 94.44% in cycle II.
Pengembangan Modul Proyek Penguatan Profil Pelajar Pancasila (P5) Pembuatan Arang Briket Dari Sampah Daun Sebagai Bahan Bakar Alternatif Anggina, Viona Novi; Holiwarni, Betty; Haryati, Sri
Jurnal Pendidikan Kimia Universitas Riau Vol. 10 No. 2 (2025): Juli: Jurnal Pendidikan Kimia Universitas Riau
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Riau

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Abstract

This study aims to produce a P5 module for making charcoal briquettes from leaf waste as an alternative fuel that is valid according to the aspects of content feasibility, language, presentation, graphics and appearance. The type of research used is Research and Development (R&D) with the ADDIE (Analysis, Design, Development, Implementation and Evaluation) development model. The data collection instrument used was a validation sheet given to 3 validators, a user response sheet to 2 teachers and 20 students. The results of the study obtained an average percentage score of the assessment of material expert and media expert validators of 96.35% and 95.83% with a valid category. The results of the trial to 2 teachers and students obtained an average percentage score of 93.23% and 93.08% with a very good category. Based on the results of the study, it can be concluded that the Pancasila student profile strengthening project module (P5) for making charcoal briquettes from leaf waste can be used in P5 activities.
Analisi Butir Soal Pilihan Ganda Pembelajaran Kimia Kelas X SMA Srijaya Negara Muazarah, Nabilah; Farhan, Muhammad Rafi; Nawawi, Efendi
Jurnal Pendidikan Kimia Universitas Riau Vol. 10 No. 2 (2025): Juli: Jurnal Pendidikan Kimia Universitas Riau
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Riau

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Abstract

This research aimed to analyze the quality of multiple-choice items in chemistry for tenth-grade students at SMA Srijaya Negara based on validity, reliability, difficulty level, and discrimination power. The research method employed was descriptive quantitative. The subjects of the research were 10 multiple-choice questions tested on 26 students. Data were analyzed using Microsoft Excel to calculate validity coefficients, reliability using the Kuder-Richardson 20 (KR-20) method, difficulty level, and discrimination power. The results indicated that 60% of the items were valid; however, the instrument's reliability was low (0.502). The difficulty level of the questions was predominantly in the difficult to very difficult categories (60%), and the discrimination power of the items varied. It was concluded that this evaluation instrument requires significant improvement to enhance its quality as a measurement tool for student learning outcomes.
Penerapan Lembar Kerja Berbasis Proyek Pada Pembuatan Kombucha Untuk Mengembangkan Kinerja Ilmiah Siswa Nurani, Intan Jati; Sobandi, Sari; Nurhayati, Nurhayati
Jurnal Pendidikan Kimia Universitas Riau Vol. 10 No. 2 (2025): Juli: Jurnal Pendidikan Kimia Universitas Riau
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Riau

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Abstract

21st century education demands a learning approach that is able to develop students' scientific skills contextually and applicatively. This study aims to describe student activities and analyze the development of students' scientific performance through the application of project-based worksheets in kombucha making activities. The method used is pre-experimental with a one-shot case study design. The research subjects consisted of 35 students. The results of the study showed that the implementation of project-based worksheets was carried out very well, as evidenced by the observation results of 91. Students' ability to complete project-based worksheets is in the very good category, with an average score of 89. The students' scientific performance also showed excellent results, with an average score of 100. These findings suggest the use of project-based worksheets on kombucha making is effective in developing students' scientific performance. Therefore, project-based worksheets can be used as an alternative to innovative learning strategies in developing students' scientific skills in the 21st century learning era.
Pengaruh Komposisi Gum Arabic Terhadap Konsistensi Padatan Tinta Organik Batang Kayu Secang Dalam Uji Solid Content Zain Sultan Mahmuda; Kusumantoro, Heribertus Rudi; Pratama, Yoga Putra
Jurnal Pendidikan Kimia Universitas Riau Vol. 10 No. 2 (2025): Juli: Jurnal Pendidikan Kimia Universitas Riau
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Riau

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Abstract

This study investigates the effect of gum arabic composition on the solid content of organic ink made from sappan wood (Caesalpinia sappan) as a natural dye. The study uses a quantitative method with an experimental approach. The main focus of this research is the solid content test, which is important for determining the quality and durability of organic inks. Variations of gum arabic were used as a binder in the ink formulation, with the tests conducted using screen printing on cotton combed fabric. The results indicate that the lower the composition of gum arabic used, the higher the solid content obtained. The ink with the lowest gum arabic composition (5 grams) produced the highest solid content at 78.79%, compared to 75.00% for 10 grams and 60.00% for 15 grams of gum arabic. Additionally, physical characteristics such as color intensity and viscosity were also influenced by the solid content, with darker colors and thicker textures observed as the solid content increased. These findings contribute to the development of more eco-friendly organic inks with improved stability and performance, supporting the sustainability trend in the printing industry.
Pemanfaatan Sabut Kelapa Sebagai Bahan Dasar Tinta Batik Hitam Melalui Proses Pirolisis Hapsari, Putri Uniqa Hapsari; Kusumantoro, HB. Rudi; Djonaedi, Emmidia
Jurnal Pendidikan Kimia Universitas Riau Vol. 10 No. 2 (2025): Juli: Jurnal Pendidikan Kimia Universitas Riau
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Riau

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Abstract

Batik is a world-recognized cultural heritage of Indonesia, but the batik industry still relies on synthetic dyes that pollute the environment, especially water pollution. This study aims to develop natural black batik ink from coconut fibre through pyrolysis and analyse its colour density. The process is carried out by heating coconut fibre at 150-250°C to produce charcoal, which is then pulverized into pigments. The pigments were mixed with distilled water (variation of 1-7 g pigment and 6-12 mL distilled water) and tested for density using a spectrodensitometer. The results showed that the formulation of 6 grams of pigment and 11 mL of distilled water produced the highest concentration (2.68). The average concentration of all samples reached 2.57, indicating the consistency of pigment quality. This study proves that the ratio of pigment and solvent affects colour density, while providing an environmentally friendly solution by utilizing coconut fibre waste as a natural dye with economic value.
Preparasi Dan Karakterisasi Poliuretan Dengan Penambahan Logam Aluminium Sebagai Adsorben Asap Rokok Yusnidar, Erika; Syahputra, Ricky Andi; Purba, Jamalum; Sutiani, Ani; Pulungan, Ahmad Nasir
Jurnal Pendidikan Kimia Universitas Riau Vol. 10 No. 2 (2025): Juli: Jurnal Pendidikan Kimia Universitas Riau
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Riau

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Abstract

Tobacco smoking is known to have adverse health effects, including an increased risk of cancer , cardiovascular diseases, and respiratory disorders. These health risks are largely attributed to the presence of toxic compounds in tobacco smoke, such as polycyclic aromatic hydrocarbons (PAHs) and cyanide, both of which are carcinogenic. One potential method to mitigate these harmful effects is by using adsorbent materials, such as polyurethane foam, as smoke filters. This study aims to: (1) analyze the characteristics of polyurethane foam modified with aluminum metal, (2) evaluate the adsorption capability of the material against carcinogenic compounds in cigarette smoke using GC-MS analysis, and (3) determine the optimal adsorbent composition for maximum foam performance. Material characterization was conducted using FTIR to identify functional groups, swelling degree tests to assess water absorption capacity, SEM-EDX to examine surface morphology and aluminum distribution, and GC-MS to identify the carcinogenic compounds adsorbed. FTIR analysis revealed the presence of N-H, C-H, C=O, and C-C functional groups in the polyurethane structure. The swelling degree test showed a positive result, indicating good water absorption ability. SEM-EDX analysis demonstrated that aluminum particles were successfully distributed within the foam’s pores, resulting in smaller pore sizes. Furthermore, GC-MS results confirmed the adsorption of several carcinogenic compounds, including pyridine, eugenol, and benzenamine. These findings suggest that aluminum-modified polyurethane foam has the potential to serve as an effective filtering material to reduce exposure to toxic compounds in tobacco smoke.

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