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All Journal Jurnal Pendidikan Kimia Undiksha Jurnal Pendidikan dan Pembelajaran Kimia (JPPK) JURNAL PENELITIAN SAINTIKA SEMIRATA 2015 PENA SAINS Jurnal Pendidikan Kimia (JPKim) Jurnal Inovasi Pembelajaran Kimia (Journal Of Innovation in Chemistry Education) Gagasan Pendidikan Indonesia CHEDS: Journal of Chemistry, Education, and Science Educenter: Jurnal Ilmiah Pendidikan Jurnal Ilmiah Ilmu Terapan Universitas Jambi Analit: Analytical and Environmental Chemistry Jurnal Pendidikan Sains Indonesia (Indonesian Journal of Science Education) Pubmedia Jurnal Penelitian Tindakan Kelas Indonesia EDUCENTER JURNAL PENDIDIKAN Analit: Analytical And Environmental Chemistry

Marudut Sinaga

Universitas Negeri Medan

Author-ID : 3315792

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Social Sciences Other

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Students perception and interest on chemistry: Learning evaluation integrated quizziz media Nelius Harefa; Marudut Sinaga; Saronom Silaban
Jurnal Pendidikan Kimia (JPKim) Vol 12, No 3 (2020): December
Publisher : Pascasarjana Universitas Negeri Medan

Interest in learning is a passion or a great desire for something that is closely related to personality, motivation, expression and self-concept, identification, heredity, and external factors. Interest in learning affects the cognitive, affective, and psychomotor aspects of students. In this study, analyzed and interpreted student interest in learning through media-based learning Quizizz and students' perceptions of the media. Based on the analysis and interpretation of the data, indicators of student interest in the media Quizizz increased by 0.818 in the high category, indicators of student attention increased by 0.555 in the medium category, indicators of feelings of pleasure increased by 0.684 in the medium category, and indicators of student involvement increased by 0.599 in the medium category. Also, 76.32% of students thought that Quizizz media were very interesting, 50% thought that Quizizz media were easily applied, 86.84% thought that Quizizz media accommodate students to compete fairly, and 44.74% thought that Quizizz media were practically applied. Thus, students have a good perception of the Quizziz media accompanied by increased interest in learning.Keywords: Learning evaluation, Students’ perceptions, Students’ interest, Quizziz media

Hubungan Kemampuan Matematika dan Kemampuan Awal dengan Hasil Belajar Kimia Siswa SMA Kelas XI pada Pokok Bahasan Larutan Penyangga Pasar Maulim Silitonga; Freddy Tua Musa Panggabean; Nora Susanti; Marudut Sinaga; Lesrida Situmorang
Jurnal Inovasi Pembelajaran Kimia (Journal Of Innovation in Chemistry Education) Vol 4, No 2 (2022): OKTOBER 2022
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jipk.v4i2.39261

Chemistry is one of the most difficult subjects for most students. There are many factors that influence the success of students in learning chemistry, including mathematical abilities and students' initial abilities. This study aims to determine the relationship between mathematical ability and initial ability with students' chemistry learning outcomes. The sample of this study consisted of one class, namely class XI IPA 2 students who were taken by random sampling technique. Data analysis used simple regression test with variance test (variance fingerprint) and multiple regression, as well as correlation test and coefficient of determination at a significance level of 5%. The results showed that (1) there was a significant relationship between mathematical ability and student chemistry learning outcomes, with a contribution of 16%; (2) There is a significant relationship between initial ability and student chemistry learning outcomes, with a contribution of 33.64%; (3) There is a significant relationship between mathematical ability and initial ability simultaneously with student chemistry learning outcomes with a coefficient of determination of 51.27%.Ilmu kimia merupakan salah satu pelajaran tersulit bagi kebanyakan siswa. Ada banyak factor yang mempengaruhi keberhasilan siswa dalam belajar kimia, diantaranya kemampuan matematika dan kemampuan awal siswa. Studi ini bertujuan untuk mengetahui hubungan kemampuan matematika dan kemampuan awal dengan hasil belajar kimia siswa. Sampel penelitian ini terdiri dari satu kelas yaitu siswa kelas XI IPA 2 yang diambil dengan teknik random sampling. Analisis data menggunakan uji regresi sederhana dengan uji varians (sidik ragam) dan regresi ganda, serta uji korelasi dan koefisien determinasi pada taraf signifikasi 5%. Hasil penelitian menunjukkan bahwa (1) Ada hubungan yang signifikan antara kemampuan matematika dengan hasil belajar kimia siswa, dengan kontribusi sebesar 16%; (2) Ada hubungan yang signifikan antara kemampuan awal dengan hasil belajar kimia siswa, dengan kontribusi sebesar 33,64%; (3) Ada hubungan yang signifikan antara kemampuan matematika dan kemampuan awal secara simultan dengan hasil belajar kimia siswa dengan koefisien determinasi sebesar 51,27%.

Hubungan Motivasi, Kepercayaan Diri dan Kemampuan Awal dengan Kemampuan HOTS Siswa pada Materi Kesetimbangan Kimia Freddy Tua Musa Panggabean; Pasar Maulim Silitonga; Ricky Andi Syahputra; Marudut Sinaga; Lisnawaty Simatupang
Jurnal Inovasi Pembelajaran Kimia (Journal Of Innovation in Chemistry Education) Vol 4, No 2 (2022): OKTOBER 2022
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jipk.v4i2.39316

HOTS is a lesson designed to prepare the 21st century generation. Each student's HOTS ability is certainly different, and this is certainly influenced by many factors. This study aims to determine the relationship between learning motivation, self-confidence and initial ability with students' HOTS abilities. The sample of this study was 32 students of class XI MIPA 2 taken by random sampling technique. Data analysis used multiple linear simple regression test. The results showed that (1) there was a positive and significant relationship between learning motivation and students' HOTS abilities, (2) there was a positive and significant relationship between self-confidence and students' HOTS abilities; (3) there is a positive and significant relationship between initial ability and students' HOTS ability; and (4) there is a significant relationship between learning motivation, self-confidence and initial ability with students' HOTS abilities with a determination coefficient of 67.8%.HOTS merupakan pembelajaran yang dirancang untuk menyiapkan generasi abad 21. Kemampuan HOTS setiap siswa tentu berbeda-beda, dan hal tersebut tentunya dipengaruhi oleh banyak faktor. Studi ini bertujuan untuk mengetahui hubungan motivasi belajar, kepercayaan diri dan kemampuan awal dengan kemampuan HOTS siswa. Sampel penelitian ini adalah siswa kelas XI MIPA 2 sebanyak 32 orang yang diambil dengan teknik random sampling. Analisis data menggunakan uji regresi sederhana linier berganda. Hasil penelitian menunjukkan bahwa (1) ada hubungan yang positif dan signifikan antara motivasi belajar dengan kemampuan HOTS siswa, (2) ada hubungan yang positif dan signifikan antara kepercayaan diri dengan kemampuan HOTS siswa; (3) ada hubungan yang positif dan signifikan antara kemampuan awal dengan kemampuan HOTS siswa; dan (4) ada hubungan yang signifikan antara motivasi belajar, kepercayaan diri dan kemampuan awal dengan kemampuan HOTS siswa dengan koefisien determinasi sebesar 67,8%.

Analisis Kemampuan Guru-Guru Kimia SMA Sumatera Utara Dalam Mengintegrasikan TPACK Ani Sutiani; Zainuddin Muchtar; Ratu Evina Dibyantini; Marudut Sinaga; Jamalum Purba
Jurnal Inovasi Pembelajaran Kimia (Journal Of Innovation in Chemistry Education) Vol 4, No 2 (2022): OKTOBER 2022
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jipk.v4i2.39259

These 21st century skills are not inborn skills, but are acquired from experience. Therefore, educators must condition learning in such a way that all aspects of these 21st century skills can be trained, one of which is by using digital learning. The specific objectives of this study were to: (1) obtain a mapping or analysis of the needs of Chemistry teachers in integrating TPACK in learning, (2) measure the level of ability of Chemistry teachers in integrating TPACK in learning, (3) analyze the needs of Chemistry teachers in developing models. digital based Chemistry learning to develop students' abilities in the 21st century. This research is a quasi-experimental research by adopting the ADDIE model development research procedure. The results showed that the ability of chemistry teachers to integrate TPACK in learning based on the responses given by teachers from 12 cities/districts in North Sumatra was grouped into 7 components, namely: TK (Technological Knowledge) = 76.47%; PK (Paedagogical Knowledge) = 83.68%; CK (Content Knowledge) = 80.88%; TPK (Technological Pedagogical Knowledge) = 75.29%; PCK (Paedagogical Content Knowledge) = 78.97%; TCK (Technological Content Knowledge) = 83.14%; and TPACK (Technological Pedagogical Content Knowledge) = 80.47 %. This means that the overall ability of chemistry teachers to integrate TPACK in learning is categorized as capable and quite capable.Keterampilan abad ke- 21 ini bukan keterampilan yang dibawa sejak lahir, melainkan diperoleh dari pengalaman. Oleh karena itu, pendidik harus mengondisikan pembelajaran sedemikian rupa agar semua aspek dari keterampilan abad ke-21 tersebut dapat dilatihkan, salah satunya dengan menggunakan pembelajaran digital. Tujuan khusus dari penelitian ini adalah untuk: (1) mendapatkan pemetaan atau analisis kebutuhan kemampuan guru Kimia dalam mengintegrasikan TPACK dalam pembelajaran, (2) mengukur tingkat kemampuan guru Kimia dalam mengintegrasikan TPACK dalam pembelajaran, (3) melakukan analisis kebutuhan guru Kimia dalam mengembangkaan model pembelajaran Kimia berbasil digital untuk mengembangkan kemampuan siswa pada abad 21. Penelitian ini merupakan penelitian eksperimen semu dengan mengadopsi prosedur penelitian pengembangan model ADDIE. Hasil penelitian menunjukkan bahwa kemampuan guru kimia dalam mengintegrasikan TPACK dalam pembelajaran berdasarkan respon yang diberikan guru dari 12 kota/kabupaten di Sumatera Utara dikelompokkan dalam 7 komponen, yaitu: TK (Technological Knowledge) = 76,47%; PK (Paedagogical Knowledge) = 83,68%; CK (Content Knowledge) = 80,88%; TPK (Technological Paedagogical Knowledge) = 75,29%; PCK (Paedagogical Content Knowledge) = 78,97 %; TCK (Technological Content Knowledge) = 83,14%; dan TPACK (Technological Paedagogical Content Knowledge) = 80,47 %. Hal ini berarti secara keseluruhan kemampuan guru kimia dalam mengintegrasikan TPACK dalam pembelajaran termasuk kategori mampu dan cukup mampu.

PENGARUH EKSTRAK ANDALIMAN (Zanthoxylum acanthopodium DC) TERHADAP SIFAT KIMIA MINYAK KELAPA SAWIT Indra Lasmana Tarigan; Ricardo Lumbantoruan; Ely Sulistiara; Henni Cintya; Boy Candra Sitanggang; Marudut Sinaga
Analit: Analytical and Environmental Chemistry Vol 5, No 2 (2020): Analit: Analytical and Environmental Chemistry
Publisher : Universitas Lampung Jl. Prof. Dr. Sumatri Brojonegoro No.1 Bandar Lampung

Andaliman (Zanthoxylum acanthopodium DC) adalah salah satu tumbuhan yang mengandung senyawa kimia penting yang dapat dimanfaatkan dalam kehidupan sehari-hari, namun pemanfaatannya masih sangat sedikit. Tujuan penelitian ini adalah untuk mengekstrak buah andaliman yang berfungsi sebagai antioksidan alami pada minyak sawit, yang berfungsi untuk meningkatkan kualitas minyak sawit. Pada penelitian ini dilakukan analisis kualitas minyak melalui penentuan bilangan peroksida minyak, bilangan iodin minyak dan asam lemak bebas dengan penambahan ekstrak buah andaliman dan tanpa penambahan ekstrak buah andaliman dengan variasi lama penyimpanan dan konsentrasi. Hasil penelitian ini menunjukkan bahwa semakin besar konsentrasi ekstrak buah andaliman, semakin kecil bilangan peroksida minyak, semakin besar bilangan iodin minyak, dan semakin kecil asam lemak bebas minyak. Hasil analisis disimpulkan bahwa waktu inkubasi dan konsentrasi berpengaruh signifikan terhadap bilangan peroksida, bilangan iodin dan asam lemak bebas minyak. Konsentrasi secara parsial berpengaruh terhadap ketiga parameter uji, sedangkan waktu tidak berpengaruh secara parsial.http://dx.doi.org/10.23960/aec.v5.i2.2020.p155-168

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

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

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

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.

Implementation of an Integrated Guided Inquiry Learning Model in Generic Science Skills to Improve HOTS Chiasrilya Maria Hutabarat; Marudut Sinaga
Jurnal Inovasi Pembelajaran Kimia (Journal of Innovation in Chemistry Education) Vol 6, No 1 (2024): APRIL 2024 EDITION
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jipk.v6i1.56467

This research aims to determine the effect of evaluation of prior knowledge and student worksheets on students' high order thinking skill (HOTS) expressed in the form of learning outcome evaluation using an integrated guided inquiry learning model of generic science skills. The research design used is a dual paradigm with two independent variables, namely evaluation of prior knowledge with student worksheets, and one dependent variable, namely learning outcome evaluation. This research was carried out at SMA Negeri 14 Medan in the 2022/2023 academic year with the research population being all students in class XI Science and the sample in the research was class XI Science 3 which was obtained through a purposive sampling technique. The instruments used in this research consisted of the evaluation of prior knowledge with learning outcome evaluation each have 30 questions and the student worksheets has 15 questions. The research results show that there is a significant influence between evaluation of prior knowledge and student worksheets on students' higher-order thinking skill. Apart from that, there are also differences in higher order thinking skill between students with low evaluation of prior knowledge and students with high evaluation of prior knowledge.

The need analysis for computational chemistry based learning media atomic structure and chemical bonding basic chemistry courses Asep Wahyu Nugraha; Marudut Sinaga; Ayi Darmana; Ani Sutiani; Nisa Qurrata Aini
Jurnal Pendidikan Kimia Vol. 16 No. 1 (2024): April
Publisher : Pascasarjana Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jpkim.v16i1.56258

The aim of this research is to analyze students' needs for computational chemistry-based learning media on atomic structure and chemical bonding in the Basic Chemistry course. The population of this study were the first grade students of the Chemistry Department, FMIPA Unimed. The number of samples in this study was 93 students from three classes. The instruments used are multiple choice questions and questionnaires to determine mastery of atomic structure and chemical bonding. The research results show that the average score is 34.430 (poor category). The average score achieved in atomic structure material was 33.16 (very poor). The lowest score achieved in the atomic properties sub-material was 9.3. The average score achieved in chemical bonding material was 36.1 (very poor). The lowest score achieved in the properties of ionic compound sub-material was 17.5. The results of the questionnaire showed that the atomic structure material that students considered the most difficult was the wave mechanics atomic model at 72.233 (quite difficult), while for chemical bonding material it was the octet and duplet rule at 71.055 (quite difficult).

Pengembangan Bahan Ajar Modul Terintegrasi Problem Based Learning pada Materi Laju Reaksi Risdayati Simorangkir; Marudut Sinaga
Educenter : Jurnal Ilmiah Pendidikan Vol. 1 No. 3 (2022): Educenter : Jurnal Ilmiah Pendidikan
Publisher : ARKA INSTITUTE

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55904/educenter.v1i3.71

This study aims to (1) determine the results of the analysis of chemistry teaching materials on the reaction rate material used in schools according to the BSNP standard, (2) describe the feasibility (validity) of the integrated problem based learning module teaching materials on the reaction rate material based on the BSNP criteria (3 ) knowing student learning outcomes have increased after being given teaching materials Integrated Problem Based Learning Module on the reaction rate material, (4) knowing students about teaching materials for integrated problem based learning module on reaction rate materials that have been developed. This research uses the method (R&D) with the ADDIE model covering the stages (analysis, design, development, implementation and evaluation). The product developed was validated by 4 expert validators consisting of 2 chemistry lecturers and 2 chemistry teachers. From the results of hypothesis testing carried out produces tcount > ttable, which is 6.567 > 1.0705618. The assessment of the presentation of the level of student interest in the module that has been developed is 88.33 (very high).

Co-Authors Aini, Nisa Qurrata Ani Sutiani Arta Elsa Ambarita Asep Wahyu Nugraha Asep Wahyu Nugraha Ayi Darmana Ayi Darmana, Ayi Boy Candra Sitanggang Chiasrilya Maria Hutabarat Cintya, Henni Dian Michael Sagala Ely Sulistiara Freddy Tua Musa Panggabean Gulo, Yiska Hairani Happy Nina Nola Chrystine Sinamo Happy Nina Nola Chrystine Sinamo Hasibuan, Hanisah Hutabarat, Chiasrilya Maria Indra Lasmana Tarigan Jamalum Purba Leady Tresia Silaban Lesrida Situmorang Lukman Hakim Lumbantoruan, Ricardo manihar Situmorang, manihar Marini Damanik Mucthar, Zainuddin Naibaho, Adelia Nelius Harefa Nisa Qurrata Aini Nora Susanti Nurhayani Nurhayani Pasar Maulim Silitonga Ratu Evina Dibyantini Ricardo Lumbantoruan Risdayati Simorangkir Salsabila Hirza Saputra, Agam Sari*, Sri Adelila Saronom Silaban SARONOM SILABAN Sianturi, Irianani Ainung Sihombing, Kawan Silaban, Leady Tresia Simanullang, Romian Afrina Simanungkalit, Betaria Simatupang, Lisnawaty Simorangkir, Risdayati Sirait, Martina Sitanggang, Boy Candra Situmorang, Agam Situmorang, Yani Kartini Sri Adelila Sari Sry Nur Afrida Sulistiara, Ely Sutiani, Ani Syahputra, Ricky Andi Talib, Corrienna Abdul Tambunan, Kristine Desiyanti Zainuddin Muchtar

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