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Jurnal Redox
Published by Universitas Muhammadiyah Cirebon
ISSN : 23032251     EISSN : 26856239     DOI : -
Core Subject : Science, Education,
Chemistry Education Other
Jurnal Redox (p-issna: 2303-2251, e-issn: 2685-6239) adalah jurnal ilmiah yang diterbitkan Program Studi Pendidikan Kimia, FKIP, Universitas Muhammadiyah Cirebon sejak April 2013. Jurnal redox terbit dua kali dalam setahun yaitu pada bulan Juni dan Desember. Jurnal redox memuat artikel ilmiah hasil penelitian di bidang inovasi pembelajaran kimia, media pembelajaran kimia, kurikulum, asesmen dan evaluasi pembelajaran kimia serta ilmu kimia secara umum.
Arjuna Subject : -
Articles 26 Documents
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ANALISIS KESULITAN BELAJAR SISWA PADA MATERI RUMUS EMPIRIS DAN RUMUS MOLEKUL Mutiara Dwi Cahyani
Jurnal Redox Vol 6 No 02 (2018): Jurnal Redox
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Muhammadiyah Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32534/jre.v6i02.622

Abstract

Penelitian ini bertujuan untuk mengetahui kesulitan belajar siswa dalam memahami konsep rumus empiris dan rumus molekul. Penelitian ini menggunakan metode deskriptif dengan data hasil penelitian diperoleh dari hasil tes siswa dan wawancara semi tersutruktur kepada siswa. Instrumen yang digunakan yaitu tes uraian, wawancara dan dokumentasi tentang materi titrasi asam basa. Penelitian ini dilakukan di SMA Percontohan UPI dengan subjek sebanyak 30 orang siswa SMA Kelas XI IPA yang telah mempelajari materi rumus empiris dan rumus molekul. Kesulitan pemahaman konsep materi rumus empiris dan rumus molekul yaitu Siswa tidak mengetahui makna rumus empiris dan rumus molekul Siswa tidak memahami makna dari persen massa Siswa tidak dapat menentukan perbandingan mol paling sederhana dari setiap unsur Siswa tidak memahami makna antara massa atom relatif (Ar) dengan massa molekul relatif (Mr). Kata kunci: Kesulitan Belajar Siswa, Pemahaman Konsep, Rumus Empris dan Rumus Molekul.
PENERAPAN MODEL LEARNING CYCLE 5E BERBASIS BLENDED LEARNING UNTUK MENINGKATKAN PENGUASAAN KONSEP SISWA DI MASA PANDEMI COVID-19 Erna Putriani Iyai
Jurnal Redox Vol 8 No 2 (2020): Jurnal Redox
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Muhammadiyah Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32534/jre.v8i2.1337

Abstract

Salah satu kompetensi yang harus dikuasai dalam pembelajaran kimia adalah penguasaan konsep. Oleh sebab itu, diperlukan suatu model pembelajaran yang dapat meningkatkan penguasaan konsep siswa, mengingat kondisi Indonesia yang tengah dilanda Covid-19 sehingga proses pembelajaran di sekolah dialihkan ke rumah. Penelitian ini bertujuan untuk mengetahui adanya peningkatan penguasaan konsep siswa menggunakan model Learning Cycle 5E berbasis Blended Learning dan untuk mengetahui adanya perbedaan peningkatan yang signifikan antara N-Gain kelas kontrol dan kelas eksperimen. Desain pada penelitian ini yaitu Weak Experiment dengan tipe The Static Group Pretest-Posttest Design dengan populasi yaitu seluruh siswa kelas XI IPA SMA Negeri 17 Kabupaten Tangerang dan sampelnya adalah kelas XI IPA 5 dan X IPA 6. Teknik pengambilan sampel menggunakan convenience sampling. Pengambilan data menggunakan soal tes dan wawancara. Berdasarkan hasil analisis, diperoleh rata-rata nilai N-Gain kelas kontrol adalah 0.66 dan kelas eksperimen adalah 0.65 dan berada pada kategori sedang. Pengujian hipotesis pada penelitian ini menggunakan uji t berbantuan software SPSS 25.0 dengan taraf sig (?=0.05). Hasil analisis uji t paired sample yaitu 0.000 < 0.05, sedangkan hasil uji t independent sample yaitu 0.741 > 0.05 sehingga dapat disimpulkan bahwa terdapat peningkatan penguasaan konsep siswa setelah diterapkan model Learning Cycle 5E berbasis Blended Learning pada materi larutan penyangga tetapi tidak ada perbedaan yang signifikan dengan metode ekspositori.
PENERAPAN MODEL PEMBELAJARAN PROCESS ORIENTED GUIDED INQUIRY LEARNING (POGIL) UNTUK MENINGKATKAN KETERAMPILAN PROSES SAINS PESERTA DIDIK Empat Patonah
Jurnal Redox Vol 7 No 2 (2019): Jurnal Redox
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Muhammadiyah Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32534/jre.v7i2.1359

Abstract

This research was conducted due to the lack of development of students 'science process skills in chemistry lessons, which was due to the Teacher Centered learning process which resulted in students' scientific process skills not developing properly. The Process Oriented Guided Inquiry Learning (POGIL) learning model is used as an alternative to problem solving which aims to determine whether or not there is an increase in students' science process skills through the application of the POGIL learning model. The research method used is a quasi-experimental method with a non-equivalent type of control group design. The sample was taken by purposive sampling and divided into two groups, namely the control class and the experimental class. Data collection techniques were obtained through test instruments and science process skills observation sheets. The data analysis technique used was the n-gain test, independent t-test and correlation. The results of the n-gain test were 0.78 with high criteria, for the independent t-test the sig value was obtained. (2-tailed) = 0.000 and the results of the correlation test obtained a correlation coefficient = 0.942 which is included in the very good category. These data results indicate that there is a high increase in students' science process skills with the application of the POGIL learning model, and the results of the independent t-test show that there is a significant difference in results between the experimental and control classes. As well as improving science process skills, it has a very good and meaningful relationship with the knowledge of students through the application of the POGIL learning model. Keywords: Process Oriented Guided Inquiry Learning (POGIL) learning model, Science Process Skills, Hydrocarbons
IMPLEMENTASI MODEL PEMBELAJARAN PBI (PROBLEM BASED INSTRUCTION) BERBASIS KPS (KETERAMPILAN PROSES SAINS) TERHADAP KEMAMPUAN BERPIKIR KRITIS PESERTA DIDIK PADA MATERI LAJU REAKSI Nur A’zizi
Jurnal Redox Vol 7 No 2 (2019): Jurnal Redox
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Muhammadiyah Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32534/jre.v7i2.1360

Abstract

This research was conducted at SMA NEGERI 1 Jamblang which aims to find out how the implementation of the PBI (Problem Based Intruction) learning model based on KPS (Science Process Skills) on the critical thinking skills of students on the subject matter of the sub-material reaction rate the factors that influence the reaction rate Obtain more optimal learning outcomes and know the differences and increase in students' critical thinking skills by implementing the KPS-based PBI (Problem Based Instruction) learning model (Science Process Skills) on the reaction rate material, especially the factors that influence the reaction rate. The research design used in this study was the Pre-Test Post-Test Control Group Design. The research samples used in this study were class XI IPA 4 as an experimental class and class XI IPA 5 as a control class which was taken using purposive sampling technique. Data collection techniques for testing the implementation of the problem-based instruction model based on science process skills were obtained from the results of observations made by observers of researchers and students which were then processed into a percentage of implementation. While the data collection techniques for testing the differences in critical thinking skills of students were obtained from the Pre-Test and Post-Test which were then analyzed by the T test. by 96%. Keywords: Problem Based Instruction. Science Process Skills, Reaction Rate, and Critical Thinking Ability.
ANALISIS MISKONSEPSI PESERTA DIDIK KELAS XII MENGGUNAKAN TES DIAGNOSTIK THREE-TIER MULTIPLE CHOICE PADA MATERI HIDROKARBON Shofiana Shofiana
Jurnal Redox Vol 7 No 2 (2019): Jurnal Redox
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Muhammadiyah Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32534/jre.v7i2.1361

Abstract

This study aims to identify misconceptions experienced by students in class XII in MAN A and SMAN B in Cirebon City on hydrocarbon material. The research method used is quantitative descriptive method. The sampling technique or subjects used cluster random sampling technique, where the subjects in this study were students of Class XII MIPA 2 in MAN A of the Cirebon City and XII Science 1 in SMAN B of the Cirebon City with the number of students from two schools as many as 45 people. The instrument used is the Three-Tier Multiple Choice Diagnostic Test by categorizing the understanding of concepts possessed by students. The category is divided into three, namely, understanding the concept, not understanding the concept and misconception. The results showed that students in MAN A of the Cirebon City and SMAN B of Cirebon City experienced the highest misconception in the sub-material types of carbon atoms and hydroxide compounds. While the lowest misconception is in the sub-material grouping of hydrocarbon compounds in both schools. The causes of misconceptions of students due to associative thinking, humanistic thinking, incomplete reasoning, students' interest and motivation to learn, abstract chemical concepts, teachers do not optimize learning strategies. Keywords: Misconceptions, Three-Tier Diagnostic Tests, Hydrocarbons
PENGARUH MODEL PEMBELAJARAN SIMAYANG UNTUK MENINGKATKAN KETERAMPILAN METAKOGNITIF PESERTA DIDIK PADA MATERI STRUKTUR ATOM Yani Apriyani
Jurnal Redox Vol 7 No 2 (2019): Jurnal Redox
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Muhammadiyah Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32534/jre.v7i2.1362

Abstract

This research was motivated by the low metacognitive skills of students and teacher-centered learning interactions. The Simayang learning model can trigger students to be more active and use their thinking skills when learning in class. The purpose of this study was to determine the improvement of students' metacognitive skills by using the Simayang learning model on atomic structure material. This research is a quasi experimental study with a quantitative approach with the design of "pretestposttest non-equivalent control group". This research was conducted at SMAN 1 Ciwaru in Kuningan Regency in the 2018/2019 academic year. The sample of this research is class X IPA 1 as the experimental class and class X IPA 2 as the control class. Data collection was carried out using test questions and observation sheets. The results showed that the experimental class had better metacognitive skills than the control class when viewed from the posttest results and the observation sheet of metacognitive skills. The average posttest result for the experimental class was 84.91 while the control class was 64.08. The increase value obtained from the N-Gain test was 0.72 and the anacova test obtained a significance value of 0.017, this value is smaller than the critical sig (0.05). This shows that the simulation learning model affects the improvement of students' metacognitive skills and learning outcomes. The magnitude of the influence of the Simayang learning model is 77.5%. These results can be concluded that the Simayang learning model can affect the improvement of students' metacognitive skills on the atomic structure material. Keywords: Simayang learning model, metacognitive skills, atomic structure
PENERAPAN MODEL PROBLEM BASED LEARNING UNTUK MENINGKATKAN AKTIVITAS DAN HASIL BELAJAR KIMIA PESERTA DIDIK KELAS XIIPA-1 SMA N 1 CIWARINGIN PADA MATERI LAJU REAKSI Yusuf Satori
Jurnal Redox Vol 7 No 2 (2019): Jurnal Redox
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Muhammadiyah Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32534/jre.v7i2.1363

Abstract

The formulation of the problem in this study is,do the Problem Based Learning model improve teacher skills, activities, and student learning outcomes?. The purpose of this study was to improve skills, teachers, student activities, and learning outcomes of grade XI IPA-1 of students at Ciwaringin 1 High School in Chemistry learning through the Problem Based Learning model.The design of this study is classroom action research through the Problem Based Learning model using two cycles, each cycle consisting of four stages, namely planning, implementing, observing, and reflecting. The research subjects were teachers and students of grade XI IPA-1 of Ciwaringin 1 High School. The technique of collecting data uses observation and tests.The results of the study show that: (1) the teacher's skills in the first cycle obtained a score of 22 with good criteria, Cycle II with a score of 27 with good criteria. (2) in the first cycle activity students got a score of 16 with good criteria, the second cycle obtained a score of 19 with good criteria. (3) Classical completeness of learning outcomes of students in the first cycle of meeting 1 was 19.44% and the first cycle of meeting II was 66.67%. In the second cycle of meeting I was 75.00% and the second cycle of meeting II was 91.67%.The conclusion of this study is that through the Problem Based Literacy model, it can improve teacher skills, student activities, and learning outcomes in Chemistry learning. Suggestions are that teachers can use the Problem Based Learning model to improve the quality of learning inother subjects and other classes. Keywords: Learning Model “Problem Based Learning” Activities and Learning Outcomes.
EFEKTIFITAS PENGGUNAAN MODEL PEMBELAJARAN TEAMS GAMES TOURNAMENT (TGT) MENGGUNAKAN MEDIA KOKAMI TERHADAP PRESTASI BELAJAR KOGNITIF PESERTA DIDIK PADA MATERI HIDROKARBON Yuyun Sri Irianti
Jurnal Redox Vol 8 No 2 (2020): Jurnal Redox
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Muhammadiyah Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32534/jre.v8i2.1364

Abstract

Telah dilakukan penelitian efektifitas penggunaan model pembelajaran TGT di SMAN 1 Jalaksana pada tahun pelajaran 2018/2019, permasalahan yang dihadapi dalam pembelajaran kimia adalah: masih menggunakan model pembelajaran konvensional, ketertarikan guru dalam memanfaatkan fasilitas dan media saat proses pembelajaran masih kurang sehingga prestasi belajar peserta didik tergolong rendah jika dilihat dari data kriteria ketuntasan minimal. Tujuan dari penelitian ini adalah untuk mengetahui efektifitas penggunaan model pembelajaran Teams Games Tournament dengan menggunakan media KOKAMI dan peningkatan prestasi belajar kognitif peserta didik pada materi hidrokarbon. Metode penelitian yang digunakan adalah metode quasi experimental dengan jenis non-equivalen control group design. Subjek penelitian kelas XI MIPA 1 sebagai kelas eksperimen dan XI MIPA 3 sebagai kelas kontrol yang diambil dengan teknik cluster sampling. Teknik pengumpulan data diperoleh melalui instrumen tes, lembar observasi, dan angket. Analisis data penelitian ini menggunakan uji effect size dan N-Gain. Hasil penelitian efektifitas model pembelajaran Teams Games Tournament (TGT) dengan menggunakan media KOKAMI diperoleh nilai Effect Size sebesar 0,53 dengan kategori sedang. Sedangkan peningkatan prestasi belajar kognitif peserta didik kelas eksperimen dan kontrol sebesar 0,79 dan 0,73 dengan kategori tinggi.
PENGEMBANGAN MODUL KIMIA BERBASIS PROYEK UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS PESERTA DIDIK PADA MATERI MINYAK BUMI Arief Kurniawan
Jurnal Redox Vol 8 No 2 (2020): Jurnal Redox
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Muhammadiyah Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32534/jre.v8i2.1365

Abstract

Pembelajaran kimia di SMA masih berpusat pada guru sehingga mengakibatkan kemampuan berpikir kritis peserta didik masih kurang diperhatikan. Tujuan dari penelitian ini adalah untuk (1) mengetahui kelayakan modul kimia berbasis proyek pada materi minyak bumi berdasarkan aspek kelayakan isi, penyajian, dan kebahasaan, dan (2) mengetahui keefektifan modul kimia berbasis proyek dalam meningkatkan kemampuan berpikir kritis peserta didik pada materi minyak bumi. Penelitian ini dilaksanakan di kelas XI IPA 6 SMA Negeri 1 Jamblang pada semester ganjil tahun pelajaran 2019/2020. Metode penelitian ini adalah metode campuran (mixed methods). Modul divalidasi oleh validator ahli yang terdiri dari dosen ahli dan guru. Instrumen penelitian yang digunakan adalah lembar validasi modul dan tes. Berdasarkan hasil penelitian diperoleh bahwa (1) penilaian validator ahli terhadap modul kimia berbasis proyek pada aspek kelayakan isi sebesar 86,67 % dengan kriteria sangat layak, aspek penyajian sebesar 89,40 % dengan kriteria sangat layak, dan aspek kebahasaan sebesar 95,19 % dengan kriteria sangat layak, dan (2) modul kimia berbasis proyek pada materi minyak bumi cukup efektif dalam meningkatkan kemampuan berpikir kritis peserta didik dengan nilai N-Gain sebesar 0,30 termasuk kriteria sedang. Dapat disimpulkan bahwa penggunaan modul kimia berbasis proyek pada materi minyak bumi cukup efektif meningkatkan kemampuan berpikir kritis peserta didik.
PENGARUH MODEL PEMBELAJARAN BERBASIS PROYEK PADA MATERI IKATAN KIMIA UNTUK MENINGKATKAN KETERAMPILAN PROSES SAINS PESERTA DIDIK Siti Tanti
Jurnal Redox Vol 8 No 2 (2020): Jurnal Redox
Publisher : Program Studi Pendidikan Kimia, FKIP, Universitas Muhammadiyah Cirebon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32534/jre.v8i2.1366

Abstract

Pembelajaran Kimia di SMA masih berpusat pada guru sehingga mengakibatkan keterampilan proses sains peserta didik masih rendah. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh model pembelajaran berbasis proyek terhadap keterampilan proses sains peserta didik pada materi ikatan kimia. Penelitian ini dilaksanakan di kelas X IPA 4 SMA Negeri 1 Jamblang Pada Semester Ganjil Tahun Pelajaran 2019/2020. Metode penelitian ini adalah metode kuantitatif. Instrumen yang digunakan adalah lembar observasi, tes, dan angket. Berdasarkan hasil penelitian diperoleh bahwa model pembelajaran berbasis proyek berpengaruh terhadap peningkatan keterampilan proses sains peserta didik dengan hasil uji regresi sederhana sebesar 0,041 dengan kategori sedang Dapat disimpulkan bahwa penggunaan model pembelajaran berbasis proyek pada materi ikatan kimia efektif meningkatkan keterampilan proses sains peserta didik. Kata Kunci : Model Pembelajaran Berbasis Proyek, Keterampilan Proses Sains, Ikatan Kimia

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