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All Journal Jurnal Pendidikan Kimia Undiksha PILAR PELANGI PENDIDIKAN TABULARASA Jurnal Ilmu Pendidikan Indonesia Jurnal Pendidikan dan Pembelajaran Kimia (JPPK) JURNAL PENGABDIAN KEPADA MASYARAKAT PROSIDING SEMINAR KIMIA PENA SAINS Jurnal Pendidikan Kimia Universitas Riau Jurnal Pendidikan Kimia (JPKim) JURNAL PENDIDIKAN TAMBUSAI Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat Jurnal Abdi Insani Journal of Educational Chemistry (JEC) Edukimia Jurnal Inovasi Pembelajaran Kimia (Journal Of Innovation in Chemistry Education) Budapest International Research and Critics in Linguistics and Education Journal (Birle Journal) Indonesian Journal of Chemical Science and Technology Didaktika: Jurnal Kependidikan Jurnal Teknologi Pendidikan : Jurnal Penelitian dan Pengembangan Pembelajaran CHEDS: Journal of Chemistry, Education, and Science Educenter: Jurnal Ilmiah Pendidikan Lensa: Jurnal Kependidikan Fisika JURNAL PENELITIAN BIDANG PENDIDIKAN Jurnal Ilmiah Ilmu Terapan Universitas Jambi Paedagogi: Jurnal Kajian Ilmu Pendidikan (e-journal) Chimica Didactica Acta : Journal of Chemistry and Chemistry Education International Journal of Educational Practice and Policy Jurnal Pengabdian Masyarakat dan Riset Pendidikan EDUCENTER JURNAL PENDIDIKAN
Zainuddin Muchtar
Universitas Negeri Medan
Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Physics Social Sciences Transportation Other

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Application of Rotary Dryer Modification Technology to Increase Animal Feed Production Efficiency Moondra Zubir; Agus Junaidi; Rini Selly; Siti Rahmah; Hafni Indriati Nasution; Zainuddin Muchtar
Jurnal Pemberdayaan: Publikasi Hasil Pengabdian Kepada Masyarakat Vol. 6 No. 2 (2022)
Publisher : Universitas Ahmad Dahlan

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Abstract

Lorong Ujung Tanjung Dua, Lingk 15, Bagan Deli Village, Belawan, North Sumatra became the location of this community research and service with Mr. Deddy Suryono as the owner of the business as the partner. His business activity is processing seafood shell waste into animal feed products. This business partner had problems whereas manual drying prolong the time due to the natural causes. Furthermore, the market of the product was in lower level due to the absence of explanation of the content of the product and also the brand name. One of the solution to propose is a high quality functional drying oven with eligible size and fixed temperature. Secondly, to increase the marketing of the product it need to be standardize by laboratory and make the brand name. The results, Rotary Dryer Modification Technology was used as the dryer which increased the product 4 times in quantity. The product was analysed in laboratory with three type of products whereas Shrimp Skin, Crab Skin and Fish Skin. The lab result showed that fish skin has the highest protein more than 50%. The brand name then named as EBYPRO.
PENGEMBANGAN DAN VALIDITAS E-MODUL INOVATIF NONLOGAM OKSIGEN DAN SULFUR BERBASIS KKNI Elsa Febrina Tarigan; Nurfajriani Nurfajriani; Zainuddin Muchtar
PROSIDING SEMINAR KIMIA Vol 1 No 1 (2022): Prosiding SNK 2022
Publisher : Jurusan Kimia Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Mulawarman

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Abstract

The development of teaching materials must pay attention to the prerequisites of the National Education Standards Agency (BSNP) and under the curriculum in universities to achieve subject learning. Educators make innovations to create interesting sources of teaching materials. This research aims to produce an innovative e-module for non-metallic oxygen and sulfur. This study uses the ADDIE model where only three stages are used, namely Analysis, Design, and Development. The data collection instrument used a validation questionnaire per the BSNP given to material and media expert validators. The results showed that the electronic feasibility test of the KKNI-based modules (Indonesian National Qualifications Framework) that had been developed obtained average content feasibility of 3.49 (valid), language eligibility of 3.67 (valid), presentation eligibility of 3.62 (valid), and eligibility Graphics is 3.66 (valid) with an overall average of 3.56 which is included in the valid category which can be used as non-metallic oxygen and sulfur teaching materials based on KKNI. Keywords: e-Modules, Innovative Chemistry, Teaching Materials.
The Development of Lectora Inspire Learning Media and Its Effect on Student Learning Outcomes Muhammad Rizki Harahap; Albinus Silalahi; Zainuddin Muchtar; Nurfajriani Nurfajriani
Journal of Educational Chemistry (JEC) Vol 4, No 2 (2022)
Publisher : Chemistry Education Department

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/jec.2022.4.2.11303

Abstract

This study aimed to determine the needs of learning media in schools, the feasibility of the media created following the National Education Standards Agency (BSNP) criteria, and the effectiveness of the learning media on student learning outcomes. This research employed the ADDIE method (Analysis, Development, Design, Implementation, and Evaluation) involving 30 class X (tenth-grade) students. According to the analysis results of the Lectora Inspire media, the mean score of the content feasibility aspects was 3.88 (highly feasible), and the mean score of the presentation feasibility aspects was 3.89 (highly feasible). Furthermore, the developed media was implemented in the teaching and learning process to determine its effect on student learning outcomes. The test incorporated multiple-choice questions. In the implementation phase, the mean score of the pretest was 46.83, while the mean score of the posttest was 81.66. Afterward, the evaluation stage compared the posttest results and the school's passing grade (81.66 70), revealing that the developed learning media significantly affected student learning outcomes.
Analysis of Students' Initial Ability Based on Generic Science Skills in Reaction Rate Material Yani Kartini Situmorang; Marudut Sinaga; Ani Sutiani; Ratu Evina Dibyantini; Zainuddin Muchtar
Jurnal Inovasi Pembelajaran Kimia (Journal of Innovation in Chemistry Education) Vol 5, No 1 (2023): APRIL 2023 EDITION
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jipk.v5i1.43133

Abstract

This writing aims to determine the validity of the test instrument and initial results scholastic ability test and KGS-based final evaluation test instrument on reaction rate material. This research uses Research and Development research and development methods. The research subject was class XI B which consisted of 36 students. This study used a scholastic test instrument and a final chemistry evaluation with 20 questions each. Based on the results of the validation test by the expert validator, it can be seen that the average percentage results obtained for Material Aspects are 87.08%, Construction Aspects are 87.92%, Language Aspects are 89.17%, and Additional Rules are 100%. The Scholastic test instrument consists of 20 questions that are tested on students namely; 17 valid questions and 3 invalid questions. The results of the final evaluation ability test were 20 items tested on students, 18 questions were valid and 2 questions were invalid. Scholastic ability test trials obtained namely; 3% "very poor", 16% "poor", 39% "enough", 14% "good" and 28% "very good", while the final chemistry evaluation test was obtained namely; 0% is "very less". 11% "poor", 31% "poor: 25% "good" and 33% "very good".
Development of Learning Media Integrated with Problem Based Learning Model Using Android-Based Application Yosi Santika Silitonga; Zainuddin Muchtar
Jurnal Inovasi Pembelajaran Kimia (Journal of Innovation in Chemistry Education) Vol 5, No 1 (2023): APRIL 2023 EDITION
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jipk.v5i1.45009

Abstract

Technological advances affect education in terms of the use of learning media. This is because the educational process is urged to improve the quality of learning by creating more applicable and interesting learning. Mobile technology can be used as an alternative learning media because the use of mobile devices is very much opens the opportunity in the education process. The aim of this study is to develop a learning media integrated with problem based learning model using android-based application. The development model used is the 4D model which consists of 4 stages, namely Define, Design, Develop and Disseminate. The results of the research are 93.8% agreeing with the existence of android learning media for chemical bonding subjects, the feasibility of the material from the learning media overall obtained 90.1% categorized as “very valid”, and the eligibility of the media as a whole the validator was obtained at 87.39% with the “very valid” category and results of student responses to the developed media as a whole obtained an average value of 80.69% in the “very good” category so that the developed of learning media received a very good response from students
THE EFFECT OF PROCESS ORIENTED GUIDED INQUIRY LEARNING (POGIL) MODEL ON SCIENCE PROCESS SKILLS (SPS) AND STUDENTS' COGNITIVE ABILITIES ON THE CONCEPT OF REACTION RATE Said Idrus; Mahmud Mahmud; Zainuddin Muchtar
Chimica Didactica Acta Vol 9, No 1: June 2021
Publisher : FKIP USK

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (228.792 KB) | DOI: 10.24815/jcd.v9i1.20080

Abstract

This study aims to determine the effect of the Process Oriented Guided  Inquiry Learning (POGIL) model on Science Process Skills (SPS), cognitive abilities and the correlation between SPS and students' cognitive abilities on the reaction rate concept. The sample in this study were 35 students of class XI SMA Negeri Seribu Bukit 2016-2017 academic year. The data was collected through observation and test. 20 multiple choice questions (alpha:0.81) were used to collect data of student’s SPS. While students' cognitive abilities were obtained by pre-test and post-test using 20 multiple choice questions (alpha:0.84). The distributed normally and homogeneously. The hypothesis was tested by using Paired Sample t-Test at a significance level of 0.05. Based on the data analysis and hypothesis testing carried out, there was a significant difference in the effect of the POGIL model on Science Process Skills (SPS), cognitive abilities and significant interactions between SPS and students' cognitive abilities on the material reaction rate, indicated by the value of each probability or sig. 0,000, so it can be concluded that the results of testing the hypothesis reject Ho or accept Ha at the 5 percent alpha level.
Pengembangan Instrumen Evaluasi untuk Mengukur Keterampilan Berpikir Tingkat Tinggi pada Materi Asam-Basa Salsabila Hirza; Zainuddin Muchtar; Ani Sutiani; Ratu Evina Dibyantini; Marudut Sinaga
Jurnal Pendidikan Kimia Undiksha Vol. 7 No. 1 (2023)
Publisher : Universitas Pendidikan Ganesha

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23887/jjpk.v7i1.60053

Abstract

Penelitian ini bertujuan untuk mengembangkan instrumen evaluasi keterampilan berpikir tingkat tinggi pada materi asam basa dan mengetahui kelayakan instrumen evaluasi yang dikembangkan. Penelitian ini menggunakan desain Research and Development (R&D) dengan model pengembangan 4D. Sampel dalam penelitian, yaitu 36 siswa kelas XI A di SMA Negeri 2 Percut Sei Tuan. Hasil penelitian memberikan produk akhir berupa 25 soal yang baik dari rancangan awal produk 40 butir. Butir dikatakan baik karena telah valid dan memiliki nilai reliabilitas 0.815 dengan kategori sangat tinggi. Daya pembeda dengan persentase 94% kategori baik, dan 47% tingkat kesukaran soal pada kategori sedang. Keterampilan berpikir tingkat tinggi siswa pada materi asam basa mencapai 42% dalam kategori baik. Hal ini ditunjukkan dari persentase jawaban pada soal level kognitif menganalisis (C4) sebesar 36%, mengevaluasi (C5) sebesar 52%, dan mengkreasi (C6) sebesar 12%. Kata Kunci: instrumen evaluasi, keterampilan berpikir tingkat tinggi, asam-basa
PENGENALAN PRAKTIKUM SAINS DARI BAHAN YANG ADA DI SEKITAR SEBAGAI SUMBER PEMBELAJARAN DARING BAGI GURU SMP NURUL FADHILAH Sri Adelia Sari; Zainuddin Muchtar; Rini Selly; Siti Rahmah; Jasmidi Jasmidi; Moondra Zubir; Putri Faradilla; Dwy Puspita Sari
Jurnal Abdi Insani Vol 10 No 3 (2023): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v10i3.1015

Abstract

This community service activity focuses on dealing with partner problems, namely junior high school teachers at YP Nurul Fadhilah. The problems faced are the lack of application of material-based practicum around and teachers’ lack of knowledge and skills regarding making practicum innovations a source of online learning. A teacher is required to be able to adapt to the development of science and technology during the industrial revolution 4.0, therefore additional activities are needed to make this happen. This activity aims to increase teacher knowledge and skills in applying material-based practicum around to become an online learning resource. The method used consists of 4 stages, namely: Socialization of the introduction of practicum from nearby materials, training on making practicum into an online learning resource and assistance in the implementation of making online learning resources and evaluating results. Executors provide tools and materials, while partners prepare laptops for application training. The results obtained from this activity were that the teachers experienced improvements both in terms of knowledge and skills. Quantitatively, the teacher's ability regarding practical knowledge from surrounding materials to online learning materials increased for science teachers with an average score of 83.3 and non-science teachers with an average score of 66.43. In addition to increasing knowledge and skills, partners also produce products, namely online learning resources in the form of videos. In general, partners have produced products in good condition. Conclusion: This PKM activity increases partners' knowledge of using local materials. This activity also adds to teachers' skills in creating online learning resources.
DEVELOPMENT OF INITIAL ABILITY TEST INSTRUMENT BASED ON SCIENCE GENERIC SKILLS Arta Elsa Ambarita; Ratu Evina Dibyantini; Ani Sutiani; Zainuddin Muchtar; Marudut Sinaga
JURNAL PENA SAINS Vol 11, No 1 (2024): Jurnal Pena Sains
Publisher : Program Studi Pendidikan IPA, Fakultas Ilmu Pendidikan, Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/jps.v11i1.19547

Abstract

This study aims to develop an initial ability test instrument based on science generic skills in the form of a scholastic test and develop a final chemistry evaluation test instrument in the topic of thermochemistry as well as find out the validity of the content and construction validity of the instrument. Research and development research, with a 4D development model consisting of 4 main stages, namely: Define, Design, Develop and Disseminate, due to time constraints this research was only up to develop. The results of the content validity test by experts obtained an average percentage of material aspects, namely 87.08%, construction aspects, namely 90.41%, language aspects, 92.5% and additional rules, 96.67%, so the question instrument is suitable for use. Based on the construction validation test data, it was found that of the 20 questions on the scholastic potential test tested, there were 19 questions that were valid and considered appropriate, while 1 other item was invalid, while of the 20 questions on the chemistry test tested, there were 17 questions that were valid and considered feasible, leaving 3 questions other invalid. For further research, it is hoped that this instrument can be implemented.
Penerapan Model Pembelajaran Berbasis Proyek Pada Pembelajaran E-Learning Materi Kesetimbangan Kimia Elisabet Rosmadelila Gultom; Zainuddin Muchtar
Educenter : Jurnal Ilmiah Pendidikan Vol. 1 No. 4 (2022): Educenter : Jurnal Ilmiah Pendidikan
Publisher : ARKA INSTITUTE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55904/educenter.v1i4.91

Abstract

This research aims to analyze the effect of the application of project-based learning models on e-learning chemical equilibrium material on learning outcomes, student activities and student responses. This type of research is a quasi-experimental with a pretest-posttest control group design. This research was conducted in January 2022. Data collection techniques were obtained by means of tests, observation sheets, questionnaires, and documentation. The population of this research is the students of class XI IPA SMA Negeri 9 Medan. The research sample consisted of 2 classes with a total of 65 students with a random sampling technique. The experimental class was given learning using a project-based learning model in e-learning, the control class was given learning using a direct learning model. This study shows the following results: (1) there is a positive effect of implementing project-based learning models on e-learning chemical equilibrium material on improving student learning outcomes, obtained tcount = 9.91 > ttable = 1.669 and class N-gain value the experimental class is 0.77 with the high category, while the N-gain for the control class is 0.56 in the medium category. (2) student learning activities in the experimental class are very positive or very good towards, the average percentage is 81.83% with the qualification "very good". (3) students in the experimental class showed a positive or good response in the learning process that took place in the classroom, the average percentage of responses was 76.55% with "good" qualifications. This shows that the project-based learning model in e-learning is good for use in the teaching and learning process.
Co-Authors AA Sudharmawan, AA Adinda Riana Hermawan Agus Junaidi Agustin, Angelica Ajat Sudrajat Albinus Silalahi Albinus Silalahi Albinus Silalahi Amdayani, Susilawati Ani Sutiani Ani Sutiani Anisa Adliyah Gultom Annisa Fitri, Annisa Arta Elsa Ambarita Audina, Akhirunnisa Ayi Darmana Ayi Darmana, Ayi Bambang Enra Priando Purba Bangun, Kurnia Wati Br Bastoni Hassasi Cahyati, Riska Catur Kurniawan Damanik, Marini Deliana, Rini Egya, Juwita Marine Elisabet Rosmadelila Gultom Elsa Febrina Tarigan Fahlevi, Najla Rizani Faradilla, Putri Fatayatul Hasniyah Fatayatul Hasniyah Fatma Harian Dini Fauziyah Harahap fina, Al Firdaus, Lucky Marcelino Frandika Arif Chaniago Freddy Tua Musa Panggabean Gelis Juliandini Ginting, Rehia Angelica Gracella Evangeline Sarumaha Gultom, Elisabet Rosmadelila Hafni Indriati Nasution Harahap, Nazwa Malika Harian Dini, Fatma Hidayah, Putri Husuwatul Masyithah Ida Duma Riris Intan Juwita, Intan Jamalum Purba Jasmidi Jasmidi Jasmidi Jasmidi Junifa Layla Sihombing Khairunisa, Dira Kiky Rizky Amalia Koimah, Nur Lidia Simanihuruk Lumbangaol, Hermawan Maharani , Vira Mahmud Mahmud Mahmud Mahmud Manihar Situmorang Marini Damanik Marudut Sinaga Marudut Sinaga Melly Br Bangun Mhd. Fadhillah Moondra Zubir Moondra Zubir Moondra Zubir Muchtar, Chairul Omar Muhammad Luthfi Muhammad Rizki Harahap Muhammad Yusuf Mutiara Agustina Nst Nadya Ulfa Ndona, Margaretha Djanius Nst, Sahara Ramadan Nur Koimah Nur Winda Adha Nurfajriaini, Nurfajriaini Nurfajriani Nurfajriani Nurfajriani Nurfajriani Nurfajriani Nurul Azmi, Nurul Pakpahan, Fanny Grisella Pane, Agil Makarim Panggabean, Freddy T. M. Panjaitan, Teguh Hidayat Pardede, Puspa Olivia Puji Prastowo Pulungan, Ahmad Shafwan Purba, Atikah Aulia Purba, Friska Juliana Purba, Yenni Sofia Putra, Adhitya Shahrian Putri Faradilla Putri Hidayah Putri, Andira Ramadhoni, Yudi Ramlan Silaban Ratno, Suyit Ratu Evina Dibyantini Rayhan Alfaridzi, Muh Rini Selly Rini Selly Rini Selly Rini Selly, Rini RIZKI Harahap RIZKY ANDINI, RIZKY Rizky Emiliya, Rizky Said Idrus Salsabila Hirza Sari, Dwy Puspita Sari, Maya Novita Siagian, Mouces Ferdinan Silitonga, Aida Natalia Silitonga, Yosi Santika Siregar, Tanti Armalia Siti Rahmah Siti Rahmah siti rahmah Siti Rahmah Sitorus, Julia Sintya Situmorang, Yani Kartini Sri Adelia Sari Sri Adelila Sari* Sri Wartika Sutiani, Ani Syahirah, Atikah Nur Trikopal, Iqbal Try Wahyu Purnomo Wesly Hutabarat Wulandari, Indah Putri Yani Kartini Situmorang Yohan Aji Pratama Yosi Santika Silitonga Yudid Jonathan Zainal Arifin Zakiah Zakiah Zalukhu, Fandel Affection Christensen Zubir, Moondra