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Orbital: Jurnal Pendidikan Kimia
Published by Universitas Islam Negeri Raden Fatah Palembang
ISSN : 25801856     EISSN : 25980858     DOI : -
Core Subject : Science, Education,
Chemistry Education
The current issue of Orbital: Jurnal Pendidikan Kimia contains five articles coverings topics related to chemistry and chemistry education which include study of chemical literacy capabilities, Think-Talk-Write learning strategy, cooperative learning model, metal content and pH analysis of river water, and betalain pigment from red dragon fruit.
Arjuna Subject : -
Articles 7 Documents
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Search results for , issue "Vol 6 No 1 (2022): Orbital: Jurnal Pendidikan Kimia" : 7 Documents clear
Expertreview Modul Produktivitas Ikan Mas untuk Pembelajaran Kimia di Era New Normal K. Anom W; Dian Novriana; Eka Ad'hiya; Maefa Eka Haryani
Orbital: Jurnal Pendidikan Kimia Vol 6 No 1 (2022): Orbital: Jurnal Pendidikan Kimia
Publisher : Chemistry Education Department of Education and Teaching Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/ojpk.v6i1.11778

Abstract

Modules for entrepreneurship courses are still very few topics, so they still need to be developed. The topic of goldfish feed is an important topic for the module to develop, due to the high consumption of goldfish in the community, which can be a business opportunity. This study aims to describe development of validation instrumen for Expert Review of development for chemistry learning modules based on STEM (science, technology, engineering, and mathematics) that are appropriate according to development research experts. This type of research uses the ADDIE model (Analysis, Design, Development, Implementation, Evaluation) which is combined with the Tessmer Evaluation. This research method is descriptive qualitative, interview, observation, and documentation. The object of this research is the Development of Validation Instruments for STEM-Based Chemistry Learning Modules for Entrepreneurship Courses in the New Normal era at Sriwijaya University Chemistry Education, Topic of Feed to Increase goldfish Productivity. The development was carried out by an Expert Review in the form of consultation with development research experts to obtain appropriate Content Validity, Pedagogy and Practicality Instruments according to experts. The results of expert review were then analyzed by calculating the item validity index. Based on the final results of this study, it was found that the Content Validity, Pedagogy, and Practicality Instruments were qualitatively suitable for use in STEM-based chemistry learning modules on feed topics to increase Goldfish Productivity in the New Normal era.
Deskripsi Pemahaman Multirepresentasi Kimia Siswa pada Materi Larutan Elektrolit dan Non Elektrolit Annisa Elvina; Latisma DJ
Orbital: Jurnal Pendidikan Kimia Vol 6 No 1 (2022): Orbital: Jurnal Pendidikan Kimia
Publisher : Chemistry Education Department of Education and Teaching Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/ojpk.v6i1.12009

Abstract

The material in chemistry subjects can be fully understood if the learning emphasizes the macroscopic, sub-microscopic and symbolic levels and links the three levels. The material for electrolyte and non-electrolyte solutions contains abstract concepts. Students only understand concepts that exist macroscopically and memorize concepts sub-microscopically or symbolically on the material, resulting in students having difficulty understanding the material. This study aims to describe the understanding of students' multi-representation of chemistry on the material of electrolyte and non-electrolyte solutions for class X MAN 2 Kota Padang. The research method used is descriptive quantitative. Samples were taken randomly, namely random sampling for class X IPA 6 as many as 34 samples. The instruments used are descriptive tests and interviews, the questions given include 3 levels of representation using Miles & Huberman data analysis techniques and data processing with Microsoft Excel. The results showed that 53% of students could connect the three levels of chemical representation of 6 questions, 44% of students could connect the three levels with 5 questions out of 6 questions and only 3% of students could connect the three levels with 3 questions out of 6 questions. The average understanding of the highest representation is on macroscopic representation because 98% of the number of students who have a very good understanding category, while at the sub-microscopic level only 9% of the number of students who have very good understanding category, and at the symbolic level 44% of the number of students who have very good understanding category.
Penuntun Praktikum Elektronik Berbasis Green Chemistry dengan Model Pembelajaran Learning Cycle-7e pada Materi Asam-Basa Hafizatul Ilma; Leni Marlina; Ravensky Yurianty Pratiwi
Orbital: Jurnal Pendidikan Kimia Vol 6 No 1 (2022): Orbital: Jurnal Pendidikan Kimia
Publisher : Chemistry Education Department of Education and Teaching Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/ojpk.v6i1.12018

Abstract

The Covid-19 virus in Indonesia has caused face-to-face learning switching to online learning. In the 2013 curriculum there is skill competency, so that in learning chemistry to achieve that, practicum activities are carried out at home and environmentally friendly. This research is an R & D (Research and Development) aimed to knowing the level of validity and knowing response of students to an electronic practicum guide based on green chemistry with the learning cycle-7e learning model on acid-base material. The development and research procedure uses the ADDIE model, due to the limited time the stages carried out are ADD (Analysis, Design, and Developme). The study involved four validators, namely one media expert validator, one language validator, and two material expert validators. The trials carried out are one to one and small group. The subjects were students of SMA Muhammadiyah 1 Palembang. Data collection instruments used validation sheets and student response questionnaires. Data analysis used qualitative and quantitative analysis. The results of this study indicate that the green chemistry-based electronic practicum guide with the learning cycle-7e learning model on acid-base material is very valid based on the validation results of material, media, and language experts with an average percentage obtained of 83.5%. The students' responses were categorized as very good, where in the one-to-one trial percentage is 98.6% in the very good category, in the small group trial the percentage is 95.2% in the very good category.
Pemanfaatan Bahan Sederhana pada Praktikum Mandiri: Kajian Motivasi dan Persepsi Mahasiswa Annisa Meristin; Sunyono Sunyono; Siti Marfu’ah
Orbital: Jurnal Pendidikan Kimia Vol 6 No 1 (2022): Orbital: Jurnal Pendidikan Kimia
Publisher : Chemistry Education Department of Education and Teaching Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/ojpk.v6i1.12041

Abstract

Practical activities during the covid pandemic are difficult to do because all learning has turned to online learning. So that students are required to carry out independent practicum at home, even though laboratory equipment and materials are quite expensive and difficult to obtain. A breakthrough is needed so that the practicum can still be carried out. One of them is independent practicum using simple equipment and materials. Independent practicum is implemented in basic chemistry courses during the odd semester. However, reflection on the practicum is needed to identify motivation and an opinion from student. The research design used was descriptive qualitative research. The research was conducted on students of the Chemical Education Study Program, University of Lampung. Data was collected by using a questionnaire through a Mentimeter. The results showed that (1) students were highly motivated to participate in independent practicum because it was interesting, (2) students' perception of independent practicum is very good, this is shown by the number of students who are helped in understanding the concept of chemistry after doing independent practicum, (3) the obstacle experienced by students during independent practicum is the difficulty of signaling in some areas which causes the upload of independent practicum videos to be often late. This research is relevant and can be a practical breakthrough for both lecturers and teachers who have limited laboratory equipment and materials by loosening the collecting of practicum videos.
Strategi dan Implementasi Penyusunan Soal HOTS Kimia Berbasis Lesson Study Moh Ismail Sholeh; Yeva Olensia
Orbital: Jurnal Pendidikan Kimia Vol 6 No 1 (2022): Orbital: Jurnal Pendidikan Kimia
Publisher : Chemistry Education Department of Education and Teaching Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/ojpk.v6i1.12169

Abstract

Higher Order Thinking Skill (HOTS) instrument tests are still rarely developed by teachers in assessment activities. The purpose of this study was to determine the strategy and implementation of lesson study-based HOTS chemistry questions in MAN OKU Timur. This research is action research by applying lesson study which includes the stages of planning, implementation, and reflection. The subjects of this study were 8 chemistry teachers at MAN OKU Timur. The instruments used in this study were interview guides, HOTS test sheets, and participant observation sheets for lesson study activities. Data analysis methods are data reduction, presenting data, drawing conclusions, and verification. The results showed that the strategy for preparing HOTS questions in MAN 1 OKU Timur was based on lesson study through the following activities: the preparation stage (plan) in the form of explaining the HOTS concept; the implementation stage (do) is in the form of steps for preparing basic competency analysis questions, compiling question grids, making stimulus and question indicators, making questions and scoring guidelines; the reflection stage (see) in the form of a discussion of the results of developing HOTS questions and solving problems that arise. The implementation of lesson study-based HOTS questions in MAN OKU Timur obtained a percentage of 87.25% with a very good category.
Implementasi Instrumen Asesmen Argumentasi Ilmiah Materi Laju Reaksi Ismiatul Zaroh; Muntholib Muntholib; Ridwan Joharmawan
Orbital: Jurnal Pendidikan Kimia Vol 6 No 1 (2022): Orbital: Jurnal Pendidikan Kimia
Publisher : Chemistry Education Department of Education and Teaching Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/ojpk.v6i1.12191

Abstract

Scientific argumentation is a critical part of scientific practice that should be learned by learner in the science classroom. Scientific argumentation can deepen students' understanding and make their reasoning apparent. Integrating argumentation in instruction necessitates the availability of assessment instruments. This study aims to develop a scientific argumentation test and investigate students' argumentation skills on reaction rates. This study applied a research and development design to develop a scientific argumentation test followed by a survey on students' scientific argumentation skills. The analysis of the validity and reliability of the scientific argumentation test involved three experts and 199 high school students. Meanwhile, the survey on students' scientific argumentation skills involved 86 high school students. The expert panel gave an average score of 94.8% (very worthy) to the developed scientific argumentation test. The empirical analysis of the test shows that all items (9 essay items) were valid with reliability of 0.777. The survey showed that students' abilities in: making claims were moderate (56.59%), providing evidence were very weak (18.35%), and making explanations were also very weak (14.21%). The results of this study imply that learning strategies that can improve students' scientific argumentation skills are needed.
Analisis Item Soal Kimia SMA Menggunakan Rasch Model Rina Ika Octaviana; Muhammad Burhan Anggara; Rayhan Jamilah; Ayi Darmana; Retno Dwi Suyanti
Orbital: Jurnal Pendidikan Kimia Vol 6 No 1 (2022): Orbital: Jurnal Pendidikan Kimia
Publisher : Chemistry Education Department of Education and Teaching Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19109/ojpk.v6i1.12248

Abstract

Assessment is a technique for evaluating student learning outcomes and deciding whether or not the learning objectives have been achieved. This study aims to determine the validity, reliability, and difficulty level of the tested items. The data collection technique used a documentation technique in the form of an answer sheet for the odd semester final exam for the 2021/2022 academic year for class XI at SMAS Al-Amjad Medan with a total of 222 respondents, and the form of the question was 45 multiple-choice questions (dichotomies) with five categories of answers. The Rasch model is used to obtain fit items. This analysis was carried out with the help of Winsteps software version 3.7.3. Based on the results of the analysis of the results of the item analysis using the Rasch model, the following conclusions can be drawn: in terms of validity, the questions consist of 86,67% valid and 13,33% invalid; Cronbach's alpha value of 0,95 in the very good category, the Person Reliability value is 0,93, which is included in the excellent category; the Item Reliability value is 0,95 in the special category; the distribution of the difficulty level of the item items is by the rules for making questions because 8 items (17,78%) are in the very difficult category, 9 items are about (20%) are in the difficult category, 23 items are about (51,11%) are in the easy category and 5 items (11,11%) in the very easy category.

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