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Jurnal Pendidikan Kimia (JPKim)

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Published by Universitas Negeri Medan

ISSN : 20853653 EISSN : 25493116 DOI : 10.24114

Core Subject : Science, Education, Social,

Biochemistry, Genetics & Molecular Biology Chemistry Education Environmental Science

Jurnal Pendidikan Kimia (JPKim) yang dikelola Program Pascasarjana Universitas Negeri Medan terbit 3 kali setahun, yakni bulan April, Agustus dan Desember. JPKim menerbitkan artikel ilmiah hasil-hasil penelitian pendidikan kimia dan kimia fundamental. JPKim juga menerbitkan artikel Review terkait Pendidikan Kimia dan Kimia.

Arjuna Subject : -

Articles 352 Documents

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Pengembangan dan Standarisasi Bahan Ajar Kimia Terintegrasi Nilai-Nilai Spiritual Untuk Kelas XI SMA/MA Semester 1 Berdasarkan Badan Standar Nasional Pendidikan Fathma Fitriani; Mahmud Mahmud; Ayi Darmana
Jurnal Pendidikan Kimia (JPKim) Vol 8, No 1 (2016): April
Publisher : Pascasarjana Universitas Negeri Medan

Abstrak. Tujuan penelitian ini adalah untuk mengembangkan bahan ajar kimia terintegrasi nilai-nilai spiritual untuk kelas XI SMA/MA Semester 1 dan melihat kelayakannya berdasarkan standar kelayakan BSNP. Penelitian ini merupakan penelitian dan pengembangan yang dimodifikasi dari model pengembangan Borg & Gall. Sampel dalam penelitian ini adalah 3 buku ajar kimia untuk kelas XI SMA/MA berdasarkan kurikulum 2013, 2 orang dosen program pascasarjana Universitas Negeri Medan dan 20 orang guru kimia kelas XI SMA/MA di Kota Medan sebagai validator ahli. Instrumen dalam penelitian ini adalah angket dengan skala 5, yaitu angket penilaian terhadap bahan ajar yang dikembangkan berdasarkan BSNP yang terdiri dari empat standar kelayakan, yaitu standar kelayakan isi, standar kelayakan bahasa, standar kelayakan penyajian, dan standar kelayakan kegrafikaan. Hasil standarisasi menunjukkan standar kelayakan isi memiliki rata-rata = 4,26 adalah valid, artinya sangat layak dan tidak perlu revisi, standar kelayakan bahasa memiliki rata-rata = 4,31 adalah valid, artinya sangat layak dan tidak perlu revisi, standar kelayakan penyajian memiliki rata-rata = 4,39 adalah valid, artinya sangat layak dan tidak perlu revisi, dan standar kelayakan kegrafikaan memiliki rata-rata = 4,37 adalah valid, artinya sangat layak dan tidak perlu revisi. Dari hasil standarisasi didapatkan bahwa pengintegrasian nilai-nilai spiritual tidak mengurangi tingkat keilmiahan bahan ajar kimia yang dikembangkan, sehingga diharapkan kepada guru kimia khususnya kelas XI SMA/MA dapat menggunakan bahan ajar terintegrasi nilai-nilai spiritual untuk membantu siswa dalam pencapaian KI 1 dan membantu guru dalam menerapkan KI 1 dalam proses pembelajaran. Kata kunci: standarisasi, bahan ajar, pendidikan karakter, nilai-nilai spritual

The difference of students’ learning outcomes and science process skill which taught by guided inquiry and direct instruction with practicum integrated Anna Juniar; Ratih Dwi Fardilah
Jurnal Pendidikan Kimia (JPKim) Vol 11, No 1 (2019): April
Publisher : Pascasarjana Universitas Negeri Medan

This study aimed to determine differences of students’ learning outcomes and science process skill which taught by using the guided inquiry model and direct instruction where both models were integrated with practicum on the topic of colligative nature of electrolyte solutions. The population in this study were all students of class XII MIA Binjai SMA 5 consisting of 6 classes. The sample was determined by purposive sampling technique, which taking 2 classes: XII MIA-1 (as the experimental class-I) applied Guided Inquiry learning model and XII MIA-2 (as the experimental class-II) applied Direct Instruction where both were practicum integrated. This study was conducted using the Quasi Experimental design with non-equivalent group pretest-posttest design. Data collection was done for pre-test and post-test by using twenty items of multiple choices instruments which were valid and reliable for learning outcomes, meanwhile six items valid essay test for science process skill. The results showed that there were differences in the average value of learning outcomes and science process skill with the values of each t-statistics > t-table namely 7.082 > 2.0345 and 8.76 > 2.0345, while the difference in the average value of activities and attitudes of student learning during the learning process in the experimental classes I and II were 90.21 (very good) and 79.87 (good) and 88.54 (very good) and 77.43 (good). Based on the results of the questionnaire analysis, students agreed that Guided Inquiry model able to facilitate them in understanding the topic of colligative nature of electrolyte solutions because they could design their own experiments in practical activities.Keywords:Direct instruction; guided inquiry; student’s learning outcome; science process skills

Pengembangan Bahan Ajar Inovatif dan Interaktif Melalui Pendekatan Saintifik Pada Pembelajaran Reaksi Redoks dan Elektrokimia Marham Sitorus; Ajat Sudrajat; Mega Lestari
Jurnal Pendidikan Kimia (JPKim) Vol 7, No 2 (2015): Agustus
Publisher : Pascasarjana Universitas Negeri Medan

Abstract. This study aims to obtain innovative and interactive teaching materials integrated scientific approach and involves a web-based information technology. This type of research, including research and development (research and development). Subjects were subject redox reaction and electrochemistry teaching materials. Meanwhile, the sample used in this study consisted of 20 students majoring in chemistry chemistry education courses of the Faculty of Mathematics and Natural Sciences, University of Medan and 2 lecturers basic courses at the State University of Medan. Selection of the sample using purposive sampling technique. The results of chemical analysis of teaching materials common is that the teaching materials are quite valid, but need to be developed from various aspects. Teaching materials that have been developed validated by expert validator. Assessment is done based on a standard questionnaire BSNP (National Education Standards Agency). Based on research data obtained an average of 22 respondents think that consists of 2 professors and 20 students on the quality of teaching materials developed 3.22 belonging to the criteria of a very valid means of the development of teaching materials is very feasible for use in learning. Elaboration of the overall average respondent to the quality of teaching materials developed are the average results of the assessment of General Chemistry lecturers in the amount of 3.40 and an average student assessment results Chemistry education that is equal to 3.04. Keywords: research and development (R&D), redox reaction and electrochemistry, scientific approach

Identification of metal content in food using gravimetric and iodometric methods: The case on children's food Nelius Harefa; Saronom Silaban
Jurnal Pendidikan Kimia (JPKim) Vol 12, No 2 (2020): August
Publisher : Pascasarjana Universitas Negeri Medan

The metal content is one indicator of the eligibility of food consumption, including food for children. In this research, identification of Lead (Pb), Mercury (Hg), Cadmium (Cd), and Arsenic (As) metals on pentol, bakso, cilok, cireng, and cimin samples by gravimetric and iodometric methods. The identification of metals by the gravimetric method shows that the metal content in all samples is below the threshold, where the highest metal content is the lead metal in the cimin sample of 0.0439 mg/kg. The identification of metals by the iodimetry method showed that the metal content in all samples was below the threshold, where the highest metal content is the lead metal in the cimin sample of 0.0436 mg/kg. Thus, all samples are categorized as safe for consumption. Keywords: Gravimetric, Iodometric, Metals content

PENGARUH MODEL PEMBELAJARAN BERBASIS MASALAH BERMEDIAKAN INTERNET TERHADAP HASIL BELAJAR DAN KARAKTER JUBERMADITA PADA MATERI ASAM BASA SISWA SMA DI KOTA BINJAI Erni Juliani Siregar; Ramlan Silaban; Mahmud Mahmud
Jurnal Pendidikan Kimia (JPKim) Vol 6, No 1 (2014): April
Publisher : Pascasarjana Universitas Negeri Medan

Abstrak. Penelitian ini bertujuan untuk memperoleh suatu model pembelajaran kimia yang mampu mengembangkan karakter jujur, berpikir kritis, mandiri, disiplin dan bertanggungjawab (“jubermadita”) siswa SMA melalui integrasi media internet kedalam problem base learning, serta mengetahui bagaimana pengaruhnya terhadap hasil belajar kimia siswa. Untuk mencapai tujuan, dilakukan penelitian eksperimen semu melibatkan 3 kelas eksperimen yaitu model pembelajaran Net-PBL, model pembelajaran Net-DI, model pembelajaran DI. Instrumen yang digunakan adalah instrument test dan nontest yang sudah divalidasi terlebih dahulu. Data dianalisis secara deskriptif dan statistik menggunakan Anacova pada taraf signifikan α = 0,05. Hipotesis diuji dengan menggunakan General Linier Model Univariate dengan program SPSS 19. Hasil penelitian menunjukkan bahwa: (1) Telah diperoleh model pembelajaran kimia yang mampu mengembangkan karakter jujur, berpikir kritis, mandiri, disiplin dan bertanggungjawab ‘jubermadita” siswa SMA yang dinamakan model Net-BL, (2) Terdapat pengaruh hasil belajar yang signifikan antara siswa yang diajarkan dengan model pembelajaran Net-PBL dan model pembelajaran Net-DI serta model pembelajaran langsung (DI). (F=1,103, P=0,333>0,05)., (3) Terdapat pengaruh yang signifikan nilai karakter jubermadita yang terkembang antara siswa yang diajarkan dengan model pembelajaran Net-PBL dan model pembelajaran Net-DI serta model pembelajaran DI. (4) Terdapat hubungan yang signifikan nilai karakter jubermadita terhadap hasil belajar siswa yang diajarkan dengan model pembelajaran Net-PBL, model pembelajaran Net-DI, model pembelajaran DIKata Kunci: PBL, Media Internet, Kejujuran, Berfikir Kritis, Mandiri, Disiplin, Tanggung Jawab dan Hasil Belajr.

PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE TGT (TEAMS GAMES TOURNAMENT) DENGAN MEDIA MICROSOFT POWERPOINT UNTUK MENINGKATKAN HASIL BELAJAR SISWA PADA POKOK BAHASAN HIDROLISIS GARAM Lisnawaty Simatupang; Wesly Hutabarat; Jiwa Dash
Jurnal Pendidikan Kimia (JPKim) Vol 6, No 2 (2014): Agustus
Publisher : Pascasarjana Universitas Negeri Medan

Abstract. Research application of cooperative learning TGT (Teams Games Tournament) with microsoft office powerpoint to improve student learning outcomes on the subject of salt hydrolysis has been carried out. The population in this study were all XI –IPA students of SMA N 2 Model Binjai, amounting to 8 classes and each class consists of 40 students. The samples in this study were 2 classes are taken at purposive sampling. The instrument used in this study were achievement test in the form of multiple choice questions with the amount of as much as 30 questions that have been declared valid and reliable instrument observation and student learning activities. The hypothesis was tested with a significance level of 0.05 obtained thitung ≥ ttable, is thitung = 11,348 > 1.6671, so Ho is rejected and Ha accepted. Based on data analysis and hypothesis testing conducted found that: (1) Student learning outcomes are taught with cooperative learning model TGT using microsoft office powerpoint media namely (81.925 + 39.425), and direct instruction model of learning to use the media microsoft office powerpoint (71.475 + 38,370), (2) students' learning activities using cooperative learning model TGT (Teams Games Tournament) with microsoft office powerpoint media that is higher than 81.080 direct instruction model of learning with microsoft office powerpoint media namely 55,630 (3) TGT cooperative learning model using microsoft office powerpoint media can improve student learning outcomes, (4) the percentage increase student learning outcomes using cooperative learning model TGT with microsoft office powerpoint media that is higher by 73.00% compared to direct instruction model of learning with microsoft office powerpoint media which is equal to 53.00%, (5) cognitive domains that terkembangkan after learned with TGT cooperative learning model using microsoft office powerpoint media is knowledge (C1) which is equal to 91.00% and the direct instruction model of learning using microsoft office powerpoint media is knowledge (C1) which is equal to 72.7% Kata kunci: kooperatif tipe TGT, microsoft office powerpoint, direct instruction

The differences of students learning outcome with numbered head together (NHT) and think pair share (TPS) in atomic structure Feri Andi Syuhada
Jurnal Pendidikan Kimia (JPKim) Vol 10, No 2 (2018): August
Publisher : Pascasarjana Universitas Negeri Medan

Abstract: This study determine the differences between student learning outcomes using model of the NHT and TPS type of cooperative teaching on the subject of atomic structure. The population in this study were all grade X at SMA Negeri 1 Percut Sei Tuan. There were 9 classes. The samples were 2 classes with 68 students. The first class was used cooperative teaching model of NHT while the second class was used cooperative teaching model of TPS. The result of the study shows that the application of these two types give influence to the result of student learning outcome in chemistry. The average point of post test for first class is (73.82 + 11.20) and the second class is (77.41 + 10.77).The result is tcount<ttab (-1.34<1.998) with α=0.05, this value conclude that there are no significant differences between student learning outcome by using cooperative teaching model with NHT type and TPS on the subject of atomic structure.Keywords:atomic structure; learning outcome; NHT; TPS

The effect of composition and substrate fermentation duration on microbial fuel cell electrical energy Christin Vera Natalia Ginting; Jumaida Sari Nasution; Malik Alfatah Sembiring; Murniaty Simorangkir
Jurnal Pendidikan Kimia (JPKim) Vol 11, No 3 (2019): December
Publisher : Pascasarjana Universitas Negeri Medan

Organic vegetable wastes such as mustard vegetables found in traditional markets, especially Medan, are quite abundant and the increase in electricity demand is not matched by the availability of adequate energy sources, encouraging efforts to find alternative sources of renewable energy, economical and environmentally friendly. Microbial Fuel Cell (MFC) reactors can be used as an alternative energy source that converts chemical energy into electrical energy through biocatalytic reactions using microorganisms by utilizing organic materials. This study aims to determine the effect of the use of mustard vegetable waste substrate with a variety of starters and fermentation duration in the MFC reactor system to the voltage and current of electrical energy generated. The design of this study used a factorial 4x2 Completely Randomized Design consisting of two factors, namely factor A substrate composition and fermentation duration B factor. The results showed that there was an influence of substrate composition and fermentation duration on the MFC reactor system on the electrical energy generated by the system. Electricity (I) (20.1 mA) and voltage (72.13 mV) highest electricity produced by MFC reactor with composition of glucose substrate and EM4 starter with 5 days fermentation duration, followed by the treatment of vegetable mustard waste and EM4 with a fermentation duration of 5 days (15.2 mA and 68.76 mV). In terms of economics, the use of vegetable mustard waste substrate material with EM4 starter in the MFC reactor has more potential to be developed than using glucose substrates which are relatively more expensive.Keywords: Electric energy; fermentation duration; microbial fuel cell; mustard vegetable waste

The Application of Problem Based Learning Model Integrated Guided Inqury Model Using Computer Based Media on Salt Hydrolysis Learning for High School Students Improve Learning Outcomes Class XI Science in Medan Eva Fadillah; Ramlan Silaban; Iis Siti Jahro
Jurnal Pendidikan Kimia (JPKim) Vol 8, No 3 (2016): Desember
Publisher : Pascasarjana Universitas Negeri Medan

Abstract. This study aims to analyze (1) Differences in chemistry learning outcome of students who got a learning model of Direct Instruction (DI), Problem Based Learning (PBL) Integrated Guided Inquiry (GI), and Problem Based Learning (PBL) Integrated Guided Inquiry (GI) using a computer-based media. This research is experimental. The population is all high school students of class XI in the city of Medan in Academic Year 2013/2014. The sampling technique using cluster random sampling, namely SMAN 4, SMAN 14 and SMAN 21 Medan respectively of 3 classes. The research instrument in the form of test results to learn chemistry and observation sheet student character. The data analysis technique used is the analysis of variance (ANOVA) one direction (one way ANOVA) with SPSS 20 for windows at significance level α = 0.05. Based on the results of data processing, is obtained that (1) There are differences in learning outcomes between students who received the chemistry applied learning models. Keywords: PBL, GI and DI, learning outcomes, character

The implementation for natural science online lecture with chemistry education base at Nurul Fadhillah school Bandar Setia Zainuddin Muchtar; Sri Adelila Sari; Siti Rahmah; Moondra Zubir; Rini Selly; Marini Damanik
Jurnal Pendidikan Kimia (JPKim) Vol 13, No 1 (2021): April
Publisher : Pascasarjana Universitas Negeri Medan

The Covid-19 pandemic forces learning activities to change from classroom learning to online-based learning. Based on the results of the interview, it was found that the teachers at Nurul Fadhilah school did not yet have the readiness to manage online teaching and learning activities, especially in science subjects. The influencing factors are (1) understanding of basic science concepts (physics, chemistry, biology), (2) understanding of systematic online learning management and (3) mastery of Learning Management System (LMS) technology. Therefore, the aim of this activity is to implement LMS technology in the management of online science learning using a basic conceptual approach to chemistry education. LMS is a technology application developed specifically for managing classrooms, distributing learning materials and enabling collaboration between students and teachers online. The LMS used in this activity is Google Classroom. Based on the data, it is known that 65% of the teachers at Nurul Fadhilah School have not managed online science teaching and learning activities using LMS technology. The results of the systematic online science learning management workshop using the basic concepts of chemistry education and the implementation of LMS technology, especially Google Classroom, showed an increase, as many as 80% of teachers have created, designed and managed classes interactively using Google Classroom LMS technology and have integrated the concept of basic chemistry education in science learning. So that students are more happy and comfortable in learning online and are more disciplined in collecting assignments and teachers are more comfortable in managing and evaluating student assignments.Keywords: Natural science, Learning management system, Google classroom

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