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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 20 Documents
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Search results for , issue "Vol. 12 No. 4 (2024): August 2024" : 20 Documents clear
Development of Merdeka Curriculum Teaching Module Based on Problem Based Learning Acid-Base Material Lusianti, Lusianti; Enawaty, Eny; Ulfah, Maria; Hairida, Hairida; Erlina, Erlina
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.11508

Abstract

Teachers experience difficulties in designing teaching modules in the independent curriculum and teachers need differentiated teaching modules. This research aims to develop an Merdeka Curriculum Teaching Module Based on Problem Based Learning on Acid and Base Material and determine the feasibility of the teaching module and the teacher's response to the teaching module. The research method used is Research and Development (R&D) with the ADDIE model limited to the development stage. The subject of this research is the Independent Curriculum teaching module based on Problem Based Learning on acid base material. The research instrument used was a questionnaire. This questionnaire is used to validate the product and test teacher responses using a Likert scale. The data collection technique used was indirect communication techniques by providing questionnaires. Data from product validation results were analyzed using Gregory with validation results from the material aspect of 1 and the media aspect of 1 with the high validity category. Then a trial was carried out with a response test carried out on 2 chemistry teachers. The teacher response test results obtained a percentage of 100%. This shows that the Merdeka Curriculum teaching module based on problem-based learning on acid-base material meets appropriate for use as a teaching tool.
Chemical Concepts Related to the Context of Palm Oil Production Process for Contextual Chemistry Learning based on Local Natural Resources Shalsabila, Syifa Yulia; Kusumaningtyas, Pintaka; Erika, Farah
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.11520

Abstract

Chemistry learning oriented to local natural resources around students presents real situations that can help students to understand the concepts of learning material being studied. This research aims to identify the chemical concepts involved in the process of palm oil production for developing contextual chemistry learning materials based on local natural resources. This research used descriptive quantitative research. Data were collected from field observation, literature study and documentation study. The relevance of chemical concepts and the context of palm oil processing were assessed by the validators. Based on the finding, there are 3 chemical concepts related to the palm fruit processing into crude palm oil (CPO), namely: classification of matter,change of matter, and separation of mixture. The relationship between both of these three chemical concepts and the context of palm oil processing has been declared highly valid with a score of 3.75 by the validators. Therefore, the processing of palm fruit into CPO can be used as a learning resource for contextual chemistry learning material in the implementation of Merdeka curriculum at phase E.
Eco-Dyeing of Timor Woven Fabrics using Pterocarpus Indicus Bark Tannin as a Natural Mordant Adu, Risna Erni Yati; Fay, Angela Desy Putry; Tea, Marselina Theresia Djue
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.11640

Abstract

Pterocarpus indicus is a tropical wood type containing tannin compounds which potentially to be used as biomordants in woven fabrics dyeing. This research is the first work to determine the color cha racteristics of Timorese woven fabric after using tannin from Pterocarpus indicus bark as a biomordant. This research aims to determine the tannin content and colour properties of Timor woven fabric after using tannin as a a natural mordant. Pterocarpus indicus bark samples were prepared and extracted via hot extraction. The tannins in Pterocarpus indicus stem bark were qualitatively and quantitatively analyzed using FT-IR and UV-Vis Spectrophotometer respectively, then applied as a color binder for woven threads. The color properties of woven fabrics with tannin were compared to woven fabrics treated with Al2(SO4)3 mordant at a concentration of 15%. Color fastness to washing are tested using the Staining Scale Standard. Pterocarpus indicus bark tannin is a brown powder. Qualitative and quantitative tests show that Pterocarpus indicus bark contains tannins with a total concentration of 0.0436%. FTIR spectra exhibited functional groups absorption by the aromatic C-H, O-H, C=C, C-C, C-O-C, and C-O. The use of 15% tannin and curcumin dye produces a yellow-brown woven fabric with a fairly good color fastness value to washing. Pterocarpus indicus bark contains tannin which has potential as a biomordant for natural Timorese weaving dyeing.
Implementation of Problem-Solving Learning Model to Improve Problem-Solving Skills of MAN 1 Kota Gorontalo Students Pikoli, Masrid; Amu, Siti Fadila Muhtar; Suleman, Nita
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.11646

Abstract

This study aims to improve problem-solving skills in thermochemistry material for 11th Grade MIPA (Mathematics and Natural Science) 2 class of MAN (Islamic Senior High School) 1 Kota Gorontalo students. This study is a class action research conducted in two cycles. The subjects of this study were all students of 11th Grade MIPA 2 class of MAN 1 Kota Gorontalo, which amounted to 40 students.  Data collection methode include tests and observations, while data analysis involves qualitative descriptive study. Data was obtained from the test results of students' problem-solving skills and the result of observing teacher and student activities through observation sheets. The results show that problem-solving learning model can improve students' problem solving skills, where the ability to understand the problem from 72% in Cycle I increased to 90.8% in Cycle II. The ability to plan problem-solving increased from 73.5% in Cycle I to 87.7% in Cycle II. The ability to execute the plan increased from 69.8% to 86.6% in cycle II, while the ability to rechek increased from 57.5% in Cycle I to 77.7% in Cycle II. Then, teacher activity increased from 65.71% in Cycle I to 85.71% in Cycle II. Moreover, student activity increased from 61.62% in Cycle I to 80.12% in Cycle II.
Student Worksheet (LKPD) Development Based on Local Wisdom in the Making of Teak Leaf Extract as a Natural Indicator of Acid-Base Mukhtar, Raine Ramdhanya; Hairida, Hairida; Enawati, Eny; Masriani, Masriani; Erlina, Erlina
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.12131

Abstract

This study aims to determine the level of feasibility and response of teachers to the development of student worksheets (LKPD) based on local wisdom on the use of teak leaves as a natural indicator of acid-base acid. This research method is Research and development (R&D) or a development method with the ADDIE research model which consists of analysis, design, development and evaluation. The subject of this research is LKPD which is validated by 2 experts in the fields of materials and graphics and linguistics. This study was also to determine the responses of 5 chemistry teachers from Alor district, East Nusa Tengggara and Singkawang city, West Kalimantan by using data collection instruments in the form of validation sheets and teacher response questionnaires with indirect communication data collection techniques. The results of data processing showed that LKPD products based on local wisdom had a validity level of 83.12% and the results of the educator response test of 97.5% with each category very feasible.
Analysis of Students' Ability to Solve Higher Order Thinking Skill Questions on Reaction Rate Materials in 11th Grade of MAN 1 Pontianak Lestari, Indah; Enawati, Eny; Ulfah, Maria; Hairida, Hairida; Erlina, Erlina
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.12139

Abstract

High Order Thinking Skill is one of the most important skills in the 21st century. This study aims to describe the ability of students to solve Highter Order Thinking Skill (HOTS) questions in the reaction rate material in class XII MAN 1 Pontianak. The HOTS indicator in this study is the ability to analyze (C4). The method used in this study is descriptive. The subject of the study is 11th Grade students of MAN 1 Pontianak for the 2023/2024 school year consisting of 37 students. The instruments used are HOTS question sheets on validated reaction rate materials and interview guidelines. The results of this study show that there are 2.7% of students with high ability and meet the criteria for analysis, 13.5% of students with medium ability and are able to analyze problems but there are still mistakes, and 83.7% of students with low ability are 83.7%.
Application of Problem-Based Worksheets to Develop Higher Order Thinking Skills In The Utilization of Coconut Shells As Zn Metal Adsorbent In Laboratory Waste Lestari, Risma; Sukmawardani, Yulia; Subarkah, Cucu Zaenab; Farida, Ida
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.12191

Abstract

This study aims to analyze scientific performance and analyze students' higher-order thinking skills after the application of problem-based LK to develop higher-order thinking skills in the use of coconut shell as an adsorbent for Zn metal in laboratory wastewater. The research method used is pre-experiment with one shot case study design. The subjects in this study were chemistry education students of UIN Sunan Gunung Djati Bandung who took separation chemistry courses. The instruments used are learning descriptions, LK, and higher order thinking skills questions. Students' higher-order thinking skills are measured through working on six HOTS questions based on the concept of Bloom's taxonomy level of thinking at cognitive levels C4 (analyze), C5 (Evaluate) and C6 (Create). The results showed that the average value of student performance in solving problem-based LK was 88.35 with a very good category. The highest average score achieved was at stage 2 organizing students with a score of 91.5 and a very good category. The lowest average value at stage 4 develops and presents results with a value of 86.25 and a very good category. The results of students' higher order thinking skills obtained an average score of 78 in the good category. Thus the application of problem-based LK on the utilization of coconut shell as a heavy metal adsorbent in laboratory wastewater can develop higher order thinking skills in students.
Development of Augmented Reality Technology Integrated Learning Media on the Topic of Chemistry and Matter Liza, Wira Rahma; Guspatni, Guspatni
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.12230

Abstract

Augmented Reality (AR) technology allows interaction between the real world and objects in the virtual world in a three-dimensional form. With these advantages, AR will be a learning media that can increase students' enthusiasm for learning chemistry, especially on abstract chemistry concepts, and require the right learning media to visualize them. This type of research is Educational Design Research with the Plomp development model. The subjects of this study are UNP chemistry lecturers, chemistry teachers, and students at three senior high schools in Sumatera Barat. The object of this study is an augmented reality integrated learning media. The research instruments used were a needs analysis questionnaire, a validity test questionnaire, and a practicality test questionnaire. The data analysis technique uses the Aiken'V formula. The study results show that the developed learning media is included in the valid and practical categories with the validity values of content, construction, and quality respectively being 0.87; 0,85; and 0.85. Meanwhile, teachers' and students' average practicality score index results were 0.97 and 0.92. Thus, the learning media integrated with augmented reality technology in the chemistry concept for the E phase of SMA/MA chemistry has been successfully developed, validated, and practically used in learning.
Meta Analysis: The Effect of Project-based Learning on Students’ Learning Outcomes in Chemistry Learning Desyafrianti, Vanny; Aini, Faizah Qurrata
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.12315

Abstract

One of instructional model which can be implemented in Merdeka Curriculum is Project-based Learning (PjBL). In this model, students design a project based on their contextual understanding, thus having an impact on learning outcomes especially in knowledges aspect. Using meta-analysis with PRISMA method, researchers have traced various research articles and proceedings from 2020 to 2024 by using Publish or Perish with the keywords “project-based learning”, “learning outcomes”, “chemistry”, “pjbl”, “hasil belajar”, “kimia”. There are 200 articles found, after going through several stages there are seven articles that are the subject of this research. By calculating the effect size value of each study, the average effect size result was 1.1825 which was included in the high category. For summary that, the Project-based Learning model has an affect on student learning outcomes in chemistry learning, especially on the topics of acids and bases, colloids, chemical equilibrium, chemical bonds, solutions and thermochemistry.
The Relationship Between Metacognitive Ability and Self-directed Learning of Chemistry Education Students as Prospective Teacher Candrawinata, Natalia; Erlina, Erlina; Ulfah, Maria
Hydrogen: Jurnal Kependidikan Kimia Vol. 12 No. 4 (2024): August 2024
Publisher : Universitas Pendidikan Mandalika

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/hjkk.v12i4.12349

Abstract

Metacognitive ability and self-directed learning are crucial aspects to consider because good metacognitive skills are closely linked to academic success and self-directed learning. Students with strong metacognitive abilities are generally more capable of planning, monitoring, and evaluating their learning activities effectively. This study utilized a descriptive quantitative method with a correlational approach to examine the relationship between two variables: metacognitive ability and self-directed learning. The research was conducted in the Chemistry Education Program at FKIP Untan, focusing on 51 sixth-semester students for the academic year 2023/2024. Data were collected through indirect communication methods using the MAIT-18 and a self-directed learning questionnaire. The data analysis used descriptive statistical methods. The results indicated that the percentages of metacognitive ability and self-directed learning among sixth-semester Chemistry Education students were 79% and 68%, respectively. The Spearman Rank correlation test revealed a significance value of 0.478 >  0.05. Therefore, H0 is accepted and Ha is rejected, indicating that there is no significant relationship between metacognitive ability and self-directed learning among the students of the Chemistry Education Program at FKIP Untan.

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