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Setia Rahmawan
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Journal of Tropical Chemistry Research and Education
Published by Universitas Islam Negeri Sunan Kalijaga Yogyakarta
ISSN : 2685144X     EISSN : 26855690     DOI : https://doi.org/10.14421/jtcre2020.22-01
Core Subject : Science, Education,
Chemistry Education
This journal encompasses original research article and review articles related tropical chemistry, but it is not restricted to, including: Lab based research Teaching & Learning Material Learning Learning Media/Multimedia Evaluation & Assessment Higher Order Thinking Skills Science, Technology, Engineering, and Mathematics (STEM) Education Chemical Content Learning Strategy School Laboratory Experiment
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 91 Documents
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Micro-Scale Approach in Organic Chemistry Learning as an Innovative Strategy to Support Sustainable Development Goals (SDGS) Rohiat, Salastri; Rochintaniawati, Diana; Riandi
Journal of Tropical Chemistry Research and Education Vol. 7 No. 2 (2025)
Publisher : Chemistry Education Department, Faculty of Tarbiyah and Education, UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jtcre.2025.72-02

Abstract

The micro-scale approach in organic chemistry learning offers an innovative solution to enhance the effectiveness of the teaching and learning process while supporting the Sustainable Development Goals (SDGs). This study aims to describe the implementation of the micro-scale approach in the curriculum of an organic chemistry course at a higher education institution. This approach emphasizes the use of small quantities of chemicals, simple laboratory equipment, and eco-friendly techniques to minimize laboratory waste, operational costs, and negative environmental impacts. The research method involves qualitative analysis to evaluate the effectiveness of this approach in terms of learning outcomes and its relevance to the SDGs, particularly those related to quality education. The results reveal that the micro-scale approach has not yet been implemented in organic chemistry learning. However, organic chemistry lecturers and students have a general understanding of the concept of the micro-scale approach. Moreover, both lecturers and students recognize that the micro-scale concept aligns with the objectives of sustainable development. This study concludes that the micro-scale approach is an innovative and effective strategy to support sustainability-oriented organic chemistry learning. The implementation of this approach is expected to serve as a replicable learning model across various educational institutions, contributing to broader SDGs achievements
The Role of Motivation and Perceived Response Quality in GPT Usage for Chemistry Learning at University Yuwono , Agung Budhi; Ardyansyah, Ananta; Suttiwan , Witsanu
Journal of Tropical Chemistry Research and Education Vol. 7 No. 2 (2025)
Publisher : Chemistry Education Department, Faculty of Tarbiyah and Education, UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jtcre.2025.72-04

Abstract

The utilization of artificial intelligence in learning is growing, one of which is through the use of a Generative Pre-trained Transformer (GPT) as a learning tool. This study aims to analyze the relationship between student motivation, response quality perspective, and frequency of GPT use in chemistry learning. This study uses a quantitative approach with multiple regression methods to predict the frequency of GPT use based on two predictor variables, namely motivation and response quality evaluation. Data were collected through a survey of 58 students from chemistry and chemistry education study programs at the undergraduate, master's, and doctoral levels. Correlation analysis results showed a significant positive relationship between motivation and response quality evaluation (r(56) = .59, p < .001) and between response quality evaluation and frequency of GPT use (r(56) = .49, p < .001). However, the relationship between motivation and frequency of GPT use was weaker (r(56) = .32, p = .015). Regression analysis showed that evaluation of response quality significantly predicted the frequency of GPT use (β = .57, p < .001), whereas motivation had a smaller effect (β = .21, p < .01). The R² value of .25 indicated that 25% of the variability in the frequency of GPT use could be explained by both predictor variables. This finding suggests that although motivation has a role in the use of GPT, college students are more likely to use it when they rate the response quality as high. The implications of the results of this study can be the basis for developing strategies to increase the utilization of GPT in chemistry learning as well as academic policies related to the use of AI in education.
Improvement of Pre-Service Chemistry Teacher Skills in Designing Learning Materials through Curriculum Study to Realize Quality Education Sri Wardani; Sri Haryani; Endang Susilaningsih; Sri Susilogati Sumarti; Dian Sri Asmorowati; Tuyarni; Wulan Febriani; Adyatma Riyandino; Saidatul Ulfa
Journal of Tropical Chemistry Research and Education Vol. 7 No. 2 (2025)
Publisher : Chemistry Education Department, Faculty of Tarbiyah and Education, UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jtcre.2025.72-06

Abstract

Pendidikan memegang peranan sentral dalam mengembangkan sumber daya manusia yang unggul dan berdaya saing, salah satu caranya adalah dengan meningkatkan kualitas calon pendidik yang akan berperan langsung dalam proses pembelajaran. Untuk mencapai SDGs 4: Pendidikan Bermutu, dibutuhkan pendidik yang memiliki keterampilan merancang perangkat pembelajaran yang memenuhi standar nasional dan kebutuhan peserta didik yang dapat dilakukan melalui pendekatan studi kurikulum. Penelitian ini bertujuan untuk meningkatkan keterampilan siswa calon guru dalam merancang perangkat pembelajaran Program Semester (Prosem), Alur Sasaran Pembelajaran (ATP), dan Modul Ajar sebagai bentuk implementasi SDGs 4: Pendidikan Bermutu melalui studi kurikulum. Metode penelitian yang digunakan adalah metode deskriptif kuantitatif dengan pendekatan studi kasus. Subjek penelitian adalah 25 mahasiswa semester empat Program Studi Pendidikan Kimia Universitas Negeri Semarang. Pengumpulan data dilakukan melalui lembar penilaian sejawat dan angket tanggapan. Hasil penelitian menunjukkan adanya peningkatan keterampilan siswa calon guru dalam merancang perangkat pembelajaran sebelum dan sesudah studi kurikulum sebesar 32% untuk program semester, 28% untuk ATP, dan 21% untuk modul terbuka. Persentase tanggapan siswa mengenai persepsi mereka terhadap kurikulum pembelajaran adalah 82,63%, yang dikategorikan sangat baik. Studi ini menyimpulkan bahwa pembelajaran yang efektif dalam meningkatkan keterampilan calon guru dalam merancang perangkat pembelajaran, sehingga mewujudkan pendidikan yang berkualitas (SDGs 4). Kata Kunci: Studi Kurikulum, Perangkat Pembelajaran, Pendidikan Berkualitas
Analysis of Creative Thinking Skills of Senior High School Phase E Students through Mind Maps on The Subject of The Nature of Chemistry Mahdiah, Munifa; Faizah Qurrata Aini
Journal of Tropical Chemistry Research and Education Vol. 7 No. 2 (2025)
Publisher : Chemistry Education Department, Faculty of Tarbiyah and Education, UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jtcre.2025.72-05

Abstract

The main problem in this study is that no analysis has been conducted on the level of creative thinking ability of students, especially in public high schools in the city of Padang, causing teachers to lack accurate data on the effectiveness of the learning efforts that have been implemented. This study aims to analyze the level of creative thinking ability of students in the subject of the nature of chemistry, which is examined in four aspects, namely fluency, flexibility, originality, and elaboration. This study uses a descriptive method with a quantitative approach involving 40 students in phase E of SMAN Padang. Primary data was obtained from mind maps created by students and then analyzed using instruments. The results of the study were reviewed from each aspect, with the highest achievement obtained in the aspect of fluency with a percentage of 79.37%. Furthermore, the flexibility aspect obtained a percentage of 75.00%, which indicates the students' ability to categorize concepts appropriately and diversely. The originality aspect was recorded with an achievement of 60.55%. Conversely, elaboration was the aspect with the lowest achievement, at only 26.66%, indicating that students still had difficulty elaborating ideas in detail and connecting concepts between hierarchies or within a single hierarchy. It can be concluded that the majority of students were in the less creative category, namely 29 students. Meanwhile, there were 10 students in the creative category, 1 student in the not creative category, and no students in the very creative category. Keywords: creative thinking; Essence of Chemistry; Mind Maps; Students in Phase E
Analysis of Basic Laboratory Skills of Science Education Students Using Pictorial-Based Instruments Rahayu, Dea Santika; Muqtada, Moh. Rikza
Journal of Tropical Chemistry Research and Education Vol. 5 No. 2 (2023)
Publisher : Chemistry Education Department, Faculty of Tarbiyah and Education, UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jtcre.2023.52-06

Abstract

Basic laboratory skills are essential for supporting meaningful science learning, particularly in chemistry-related practical activities. However, assessing these skills through direct observation often requires considerable time and detailed performance monitoring. This study aimed to analyze science education students’ basic laboratory skills using a pictorial-based instrument designed to visualize common laboratory procedures. A descriptive study was conducted involving 36 science education students. Data were collected through a pictorial-based instrument and focused on three aspects of chemistry laboratory literacy: identifying laboratory apparatus and their functions, describing chemicals and their properties, and explaining laboratory safety procedures. The instrument was contextualized in basic chemistry practices, including preparing standard solutions from solids, preparing standard solutions from concentrated solutions, and conducting acid-base titration. The results showed that students’ ability to describe laboratory apparatus and their functions was mostly in the low category, with 53% of students demonstrating limited understanding. Similar patterns were found in the ability to describe chemicals and their properties, where 69% of students were categorized as low. In addition, 69% of students also showed low ability in explaining laboratory safety procedures. Overall, students’ chemistry laboratory literacy was dominated by the low category, indicating the need for more structured laboratory preparation, visual learning resources, and guided practice before students engage in hands-on laboratory activities.
The Effect of Practical Methods on Results Students' Learning on The Material of Factors which Affects The Rate of Reaction Harahap, Anggi Utami; Sofiyanita
Journal of Tropical Chemistry Research and Education Vol. 8 No. 1 (2026)
Publisher : Chemistry Education Department, Faculty of Tarbiyah and Education, UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jtcre.2026.81-01

Abstract

The Practical Method of Learning provides students with the opportunity to engage directly by performing tasks themselves, following processes, observing a subject, analyzing, proving, and drawing their own conclusions about an object, condition, or specific process. This study aims to determine the effect of the method on students' learning outcomes in Chemistry at Public High School 1 Tambang. This research is a Quasi-Experimental study. The population consisted of all 80 students in the XI Science stream. The sample involved 60 students, with two classes used: Class XI MIPA 1 as the control class and Class XI MIPA 3 as the experimental class. Data collection techniques included observation, tests, and documentation. Data analysis was conducted using a t-test. Based on the t-test analysis results, it was found that t_calculated (-2.1) < t_table (2.045) at a 5% significance level. According to the paired sample t-test theory, the alternative hypothesis (Ha) is accepted, and the null hypothesis (Ho) is rejected. From the research findings, it can be concluded that there is a significant effect on students' learning outcomes in Chemistry, specifically on the topic of reaction rates, between the experimental class and the control class at SMA Negeri 1 Tambang. The practical method of learning significantly influences students' academic performance. Keywords: Practical Method, Learning Outcomes, Reaction Rates
Environmental Remediation from Industrial Waste in Chemistry Education: Recovering Rare Earth Elements from Red Mud Using Eutectic Ionic Liquids Widyaningsih, Mia; Mudzakir, Ahmad; Riandi, R; Hernani, H; Nandiyanto, Asep Bayu Dani; Supriatna, Asep; Affifah, Isriyanti; Zidny, Robby
Journal of Tropical Chemistry Research and Education Vol. 8 No. 1 (2026)
Publisher : Chemistry Education Department, Faculty of Tarbiyah and Education, UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jtcre.2026.81-02

Abstract

This study aims to conduct laboratory experiments designed to improve students' skills and understanding of environmental remediation of Rare Earth Elements (REEs) extraction from red mud, using Eutectic Ionic Liquids (EILs). The research subjects consisted of 15 chemistry education students in Bandung City. The method is pre-experiment with one group pretest-posttest design. With the first research step, students filled in pre-test questions before doing the practicum, then students were directed to carry out laboratory experiments by starting the preparation of drying and smoothing red mud. Furthermore, the preparation of making Betain-Levulinic Acid EILs and extracting red mud using EILs based on predetermined work procedures. And finally, students are asked to write down the results of the practicum on the Practicum Worksheet and students are asked to fill out a post-test. Based on the results of the study found differences in the ability and understanding of student laboratory experiments seen from the pre-test and post-test assessment scores there is a significant difference that it can be stated to have improved learning. The laboratory experiment learning method can provide field practice experience for chemistry education students in supporting the achievement of SDGs point 15, namely terrestrial ecosystems that focus on restoring land degradation.
Testing The Fe Content of Green Spinach Leaf Extract Using the AAS Spectrophotometry Method Prasasti, Azmi; Sari Prayudeni; Abi Mas Udianto; Stephanie Devi Artemesia; Anung Kustriyani; Elsa sarif
Journal of Tropical Chemistry Research and Education Vol. 8 No. 1 (2026)
Publisher : Chemistry Education Department, Faculty of Tarbiyah and Education, UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jtcre.2026.81-03

Abstract

Green spinach (Amaranthus hybridus L.) is a plant that contains vitamin K, vitamin C, vitamin E, vitamin A, and vitamin B complex. Green spinach is rich in iron to prevent anemia. Iron plays an important role in the manufacture of hemoglobin, a protein in blood cells, regular consumption of green spinach can increase hemoglobin levels. The purpose of this study was to determine the level of Fe in an extract of spinach leaves with the maceration method of aquadest solvent. Measurement of Fe levels using AAS Spectrophotometry (Atomic Absorption Spectrophotometry). The results of the study obtained the Fe content of thick spinach leaf extract of 0.0190%.
The Problem Based Learning to Enhance Critical Thinking in High School Colloid Lessons Annisa Indah Herawaty, Annisa Indah Herawaty; Nasution, Mariam; Azizah Putri Hasibuan, Nur
Journal of Tropical Chemistry Research and Education Vol. 8 No. 1 (2026)
Publisher : Chemistry Education Department, Faculty of Tarbiyah and Education, UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jtcre.2026.81-04

Abstract

In previous studies, students who had low critical thinking skills were due to teacher-centered learning. The purpose of this study is to determine how the Problem Based Learning model affects students' ability to think critically about colloidal material. This research was conducted at SMA N 3 Padangsidimpuan during the even semester of the 2024/2025 academic year, namely from January 23 to February 23, 2025. This study used a quasi experiment to collect 30 students from the experimental and control classes. In the experimental class there were sixteen male students and fourteen female students, and in the control class there were sixteen male students and sixteen female students. The data collection method used was purposive sampling. Critical thinking ability test in the form of an essay test consisting of ten questions analyzed by t-test as the main tool. The hypothesis test results, generated using the SPSS version 28 program, showed that H0 was rejected and H1 was accepted because the data was significant at 0.000 <0.05. This shows that the Problem Based Learning learning model significantly affects students' critical thinking skills at SMA N 3 Padangsidimpuan. The results showed that students' critical thinking skills at SMA N 3 Padangsidimpuan were influenced by the application of a significant Problem Based Learning model and provided motivation for them to learn
Ethnochemistry and Local Wisdom of Sibolga Salted Fish Preservation in Chemistry Learning Novia Lisa; Tria Ananda Sari; Salsabilla Azzahara; Zulfan Fajri Hutabarat; Bastian Gultom
Journal of Tropical Chemistry Research and Education Vol. 8 No. 1 (2026)
Publisher : Chemistry Education Department, Faculty of Tarbiyah and Education, UIN Sunan Kalijaga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/jtcre.2026.81-05

Abstract

Ethnochemistry explains traditional cultural practices with modern chemical principles. One concrete example of its application is the preservation of salted fish by the people of Sibolga, North Sumatra. This study aims to examine the relationship between local wisdom in salted fish preservation and the concepts of osmotic pressure and food chemistry, as well as its potential for contextual learning. The study used a qualitative approach by conducting a literature review and analyzing relevant journal content. The results showed that salted fish preservation through salting and sun-drying involves osmosis, where the principal salts create a hypertonic environment that draws air from the fish tissue, thus inhibiting the growth of microorganisms. From a food chemistry perspective, salting changes the composition of protein, fat, and salt, which contributes to sensory quality and shelf life. This practice is also environmentally friendly because it utilizes natural materials and solar energy. Salted fish preservation in Sibolga is a form of ethnochemistry that integrates local wisdom with modern scientific concepts and has the potential to be a contextual chemistry learning medium to help students understand abstract concepts through real phenomena in their environment.

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