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Hydrogen: Jurnal Kependidikan Kimia
Published by Universitas Pendidikan Mandalika
ISSN : 23386487     EISSN : 26563061     DOI : Prefix 10.33394
Core Subject : Science, Education,
Chemistry Education
Hydrogen: The Chemistry Education Journal published by the Chemistry Education Study Program which contains articles raised from the results of conceptual research and studies in chemistry and chemistry education including education and learning, device development, media and learning models.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 19 Documents
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Search results for , issue "Vol 11, No 5 (2023): October 2023" : 19 Documents clear
Implementation of the PBL-STEM Model to Improve Students' Critical Thinking on Reaction Rate Material Putri Fritami Ata; Agung Rahmadani; Farah Erika
Hydrogen: Jurnal Kependidikan Kimia Vol 11, No 5 (2023): October 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i5.8609

Abstract

The application of PBL-STEM can encourage students to be independent in the learning process and emphasize the process of thinking critically and analytically to seek and find answers to a problem in question. This study used a true–experimental design with the Posttest Only Control Design type. The population in this study were all students of class XI SMA Kristen Sunodia Samarinda for the academic year 2022/2023 divided into 2 classes. This study aims to determine the effect of PBL-STEM in improving students' critical thinking skills. Sampling was done by cluster random sampling technique. The instruments used to measure students' critical thinking skills in chemistry were post-test questions, teacher and student observation sheets, and student response sheets (questionnaire). Data analysis was performed by t-test. The results of the t-test with Mann-Whitney obtained sig. (2-tailed) in both classes is 0.00 <0.05, it is concluded that Ha accepted the statement that there is an effect of the application of PBL-STEM on the critical thinking skills of class XI students at Christian Senior High School Sunodia Samarinda regarding reaction rates. The results of the teacher and student activity sheets in the experimental class were both in very good categories, as well as the student response to PBL-STEM learning, namely 77.2% of students agreed with the application of PBL-STEM in learning which can train students' critical thinking skills. This research discusses the analysis of how effective the influence of PBL and STEM integration is to improve critical thinking skills on reaction rate material so that this research can be used as a reference for applying PBL-STEM to other chemistry topics.
Ethnochemistry: Exploring the Silk Ecoprint Steaming of Kampung Sabbeta as a Source of Learning Chemistry Nur Yusaerah; Novia Anugra; Desy Anwar; Nurfadillah Nurfadillah
Hydrogen: Jurnal Kependidikan Kimia Vol 11, No 5 (2023): October 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i5.8883

Abstract

Kampung Sabbeta is one of the community empowerment locations that is developing ecoprint techniques for natural materials as fabric dyes and eco-friendly motif printers in Soppeng Regency, South Sulawesi Province. Considering the importance of knowledge about the environment, it is necessary to provide environmental management using natural materials as an effort to foster awareness of learning that is integrated with local wisdom values. This research was carried out to reveal the chemical aspects contained in the process of making steamed ecoprint fabric starting from the scouring, mordanting, ecoprinting, steaming and fixation processes which can be used as a resource for learning chemistry. The aim of this research is to reveal the chemical aspects and fundamental chemical activities contained in the silk steaming ecoprint process in Kampung Sabbeta. This research uses a type of qualitative descriptive with ethnographic methods, observation, interviews, and documentation. Data analysis in this research uses source triangulation which was carried out inductively, so that in this study key informants, main informants and supporting informants were determined in each aspect that became the object of research. The results show that the fundamental activities involved in the process of making silk ecoprint steaming in Kampung Sabbeta include formulating, measuring, purifying, fabricating, and playing. The chemical concepts that can be uncovered are solution preparation, purification, unit conversion in chemistry, adsorption, natural oxidation reactions, heat transfer.
Development of Google Site-Based E-LKPD to Improve Students' Understanding of Ion Bond Material Arit Arit; Masriani Masriani; Maria Ulfah; Rahmat Rasmawan; Rody Putra Sartika
Hydrogen: Jurnal Kependidikan Kimia Vol 11, No 5 (2023): October 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i5.8875

Abstract

This research aims to determine the feasibility of Google site-based E-LKPD on class X ion bond material at SMA Negeri 1 Galing. The population in this study was 25 class X students and samples were taken using a random sampling technique totaling 5 people. This research uses the R & D (Research and Development) research method with the ADDIE model which focuses on the Analysis, Design and Development stages. At the development stage, a feasibility test was carried out by five validators with two assessment aspects, namely material and media using the Content Validity Index (CVI) as a feasibility test.
Implementation of Expository Learning Integrated with Active Students Learning Strategy to Improve Learning Outcomes in Stoichiometry Ion Wijaya; Muchlis Muchlis; Ariwati Wahyu Mumpuni
Hydrogen: Jurnal Kependidikan Kimia Vol 11, No 5 (2023): October 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i5.8700

Abstract

Stoichiometry material is often still considered difficult for students in learning chemistry, causing low learning outcomes. This study aims to determine the effect of integrating the Expository Learning with the Active Student Learning  on student learning outcomes in stoichiometry material in class X-4 SMA Negeri 1 Kediri. This research involved 36 students of class X-4 SMA Negeri 1 Kediri as research subjects. This research used classroom action research method with two cycles. The results showed an increase in the average learning outcomes of students. Before the research (T0), the average score was 65.33, categorized as low, with a learning completeness rate of 55.56%. In cycle 1 (T1), the average score increased to 80.56, classified as good, with a learning completeness rate of 75%. In cycle 2 (T2), the average score increased to 88.47, classified as very good, with a learning completeness rate of 88.89%. Based on these results, the integration of the expository learning with active student learning can be considered for use in students who have a low understanding of chemical concepts in order to improve their learning outcomes on stoichiometry material.
The Analysis of Chemistry Test Item Difficulty on XI MIPA Year-End Assessment at SMAN 8 Pontianak Pitra Dewi; Hairida Hairida; Rahmat Rasmawan; Masriani Masriani; Tulus Junanto
Hydrogen: Jurnal Kependidikan Kimia Vol 11, No 5 (2023): October 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i5.8881

Abstract

This study aims to categorize the level of difficulty of the questions and describe the cognitive level of the KKO indicators of the 2021/2022 year-end assessment (PAT) of chemistry class XI MIPA at SMAN 8 Pontianak. This research is quantitative descriptive. Data collection techniques were interviews and documentation. Documentation was obtained from chemistry teachers through google forms containing answers and PAT questions. The research subjects amounted to 150 students of class XI MIPA who had taken the End of Year Assessment. The results of the research obtained are difficult categories totaling 4 questions (13.3%), moderate 10 questions (33.3%) and easy 16 questions (53.4%). The results of the analysis obtained in order to improve the distribution of the difficulty level of questions in the future.
Science Literacy-Based Student Worksheets to Improve Critical Thinking Skills on Acid-Base Materials Eka Haslinda Fatmawati; Rusmini Rusmini
Hydrogen: Jurnal Kependidikan Kimia Vol 11, No 5 (2023): October 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i5.8707

Abstract

The goal of this study was to find out the eligibility of science literacy-based student worksheets to improve learners critical thinking skills on acid-base materials. The eligibility of the developed science literacy-based student worksheets viewed from validity, practicality, and effectiveness. This type of study uses Research and Development (R&D) with a 4D research model. This study model consists of the define, design, and limited to develop stages. The validity of science literacy-based student worksheets based on content criteria obtained a percentage of 37.50% (valid) with mode 3 and 62.50% (very valid) with mode 4. On the construction criteria, obtain a percentage of 15.15% (valid) in mode 3 and 84.85% (very valid) in mode 4. The practicality of the student worksheet was viewed from the responses and observations of learner activities, which earned a percentage of 97.10% and 90% with very practical criteria. The effectiveness of the student worksheet received highly effective criteria viewed from the N-gain score of science literacy of 0.75 (high), and critical thinking skills obtained a N-gain score of 0.71 (high). This is corroborated by the Wilcoxon statistical test of science literacy and critical thinking skills, which revealed a disparity between learners' capability for science literacy and critical thinking skills prior to and following the use of science literacy-based student worksheets, with a sig. (2-tailed) of 0.000. The Spearman correlation test resulted in a correlation coefficient of 0.754, indicating a significant association between science literacy and critical thinking skills, with a classical completeness of 89%. So, based on this research, science literacy-based student worksheets are declared eligible to improve learners thinking skills.
Development of Discovery Learning-Based Student Worksheets on Chemical Equilibrium Material Nita Februanti; Rachmat Sahputra; Rody Putra Sartika
Hydrogen: Jurnal Kependidikan Kimia Vol 11, No 5 (2023): October 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i5.8994

Abstract

This study aims to produce discovery learning-based worksheets on chemical equilibrium material through expert judgment. The method in this study is Research & Development (R&D) with a Four-D development model which is limited to the Develop stage, based on a feasibility test. The subject of this research is student worksheets (LKPD) based on discovery learning on chemical equilibrium material for class XI students of SMA Negeri 1 Kuala Mandor B. Data collection techniques used are measurement techniques and direct communication techniques. The data collection tool is in the form of a LKPD feasibility assessment sheet. The feasibility test was carried out based on the material aspect, namely 92% with a very feasible category, the language aspect was 95.2% with a very feasible category and the design aspect was 95% with a very feasible category. Thus, it can be concluded that the worksheets based on discovery learning on chemical equilibrium materials developed are feasible. for use in learning.
The Analysis of Science Process Skills (SPS) of 11th Grade Science Students Elvy Rahmi Mawarnis; Ilham Akbar; Mimi Herman
Hydrogen: Jurnal Kependidikan Kimia Vol 11, No 5 (2023): October 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i5.8923

Abstract

This research is motivated by students who do not understand chemistry lessons, especially in explaining formulas and calculations. Even though the learning methods and models used by teachers are different so that students have a "mindset" that learning chemistry is a difficult subject to understand. Another problem experienced by the teacher during learning, only the teacher is actively involved during learning while students are more dominant in listening to the teacher's explanation. The purpose of this study was to analyze and find out the Science Process Skills (SPS) of 11th grade science students at SMAN 1 Pulau Punjung. This research method is qualitative (descriptive). The subject of this research was the class of Stage F.2 which consisted of 27 students. Data collection techniques in this study were observation techniques, interview questionnaires, SPS documentation and questionnaires.  The data obtained relates to the science process skills of students. Furthermore, researchers used data analysis techniques, namely the theory of Miles and Huberman which included data reduction, data presentation, and data verification and drawing conclusions, then the data was validated using the triangulation method. Based on the research that has been done, it can be interpreted that the results of the SPS analysis of Phase F.2 students of SMAN 1 Pulau Punjung on the observation indicator with a proportion of 89% and the experimental design indicator with a proportion of 82% both have very good categories. Then a classification indicator with a proportion of 77% and a predictive indicator with a proportion of 68% both have good categories. Then for the hypothesis delivery indicator with a percentage of 58% it is categorized as enough while for the hypothesis preparation indicator it has a proportion of 39% in the not enough category.
Efektivitas Model Pembelajaran Berbasis Proyek terhadap Pemahaman Konsep pada Materi Larutan Asam Basa Sholahuddin Sholahuddin; Raudhatul Fadhilah; Dedeh Kurniasih
Hydrogen: Jurnal Kependidikan Kimia Vol 11, No 5 (2023): October 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i5.8675

Abstract

Pemahaman konsep siswa dipengaruhi oleh model pembelajaran yang diterapkan oleh guru. Pembelajaran cenderung menerapkan model konvensional yang membuat siswa kurang memahami konsep, sehingga diperlukan alternatif model pembelajaran yang dapat meningkatkan pemahaman konsep siswa pada materi asam basa. Salah satu alternatif model pembelajaran yang dapat digunakan adalah model Project Based Learning (PjBL). Penelitian ini bertujuan untuk mengetahui Perbedaan dan Efektivitas Pemahaman konsep siswa pada materi Larutan Asam Basa kelas XI IPA dan XI IPS 1 MAN 3 Pontianak antara model pembelajaran PjBL dengan model Pembelajaran Konvensional. Bentuk penelitian yang digunakan adalah eksperimen dengan rancangan Quasy Eksperimental. Pengambilan sampel menggunakan teknik random sampling, diperoleh kelas XI IPS 1 sebagai kelas kontrol dan XI IPA sebagai kelas eksperimen. Teknik pengumpulan data yang digunakan adalah teknik pengukuran, observasi dan wawancara. Alat pengumpul data yang digunakan adalah tes  hasil belajar siswa berbentuk pilihan ganda dengan tipe (two tier multiple choice), lembar observasi dan lembar wawancara. Hasil uji statistik menggunakan uji U Mann Whitney dengan Asymp sig. (2-tailed) sebesar 0.000 < 0,05 yang berarti Ha diterima. Hal ini menunjukkan bahwa terdapat perbedaan pemahaman konsep yang dilihat dari hasil belajar siswa antra yang diajarkan menggunakan model PjBL dengan model pembelajaran konvensional. Model PjBL efektif dalam meningkatkan pemahaman konsep siswa dengan nilai Effect Size sebesar 2,78 dengan persentase efektivitas sebesar 49,73%
Content Structure Analysis of Merdeka Curriculum on Chemical Equilibrium Topic in F Phase Siti Sarah; Faizah Qurrata Aini; Zonalia Fitriza
Hydrogen: Jurnal Kependidikan Kimia Vol 11, No 5 (2023): October 2023
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v11i5.9066

Abstract

The implementation of the merdeka curriculum as an improvement and replacement for the previous curriculum needs to be studied on the structure and depth of its learning content. This study aims to describe the suitability of the content structure of chemical equilibrium material based on Bloom's Revised Taxonomy and university textbooks as standards. The research method used is descriptive qualitative to describe the object according to the data and information obtained. The research design uses the Model of Educational Reconstruction (MER) by Reinders Duit which focuses on Content Structure Analysis. The data analysis technique uses the Miles and Huberman model by collecting, reducing, presenting, and concluding data. There are research instruments: knowledge, skill, and attitude level analysis sheets, as well as content standard analysis of chemical equilibrium topic. The results of curriculum analysis show a deriving in operational verbs from the level of knowledge, skills, and attitudes based on the Pancasila profile. For content analysis, it is found that the depth and breadth of chemical equilibrium learning materials from the Cambridge book grade XI of the Ministry of Education and Culture and the University textbook by Brady are consistent but the development of the material sequence is different. The sub-chapter on equilibrium constants Kc and Kp should be the prerequisite material before learning the concept of equilibrium shift.

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