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UNESA Journal of Chemical Education
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Published by Universitas Negeri Surabaya
ISSN : 22529454     EISSN : 22529454     DOI : https://doi.org/10.26740/ujced.v9n3
Core Subject : Science, Education,
Chemistry Computer Science & IT Education Other
UNESA Journal of Chemical Education is Online Journal for communicating and reviews covering all chemical education research which published articles in three times a year by Chemistry Department, Chemical Education Study Program, Faculty of Mathematics and Natural Sciences, State University of Surabaya. This Journal provides readers or authors to present learning development in chemical education through publication research articles. Scope and focus in this journal are: 1. Philosophy and curriculum of Chemical education 2. Innovation and Theory of Learning 3. Media of Chemistry Learning 4. Assessment of Chemistry Learning 5. Missconception in Chemistry UNESA Journal of Chemical Education publishes research articles which are reviewed by expert lecturers. This journal is open access which can used reader to update new issues in chemistry learning.
Arjuna Subject : Kimia(semua kategori) - Kimia (Lain-Lain)
Articles 22 Documents
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Search results for , issue "Vol 8 No 2 (2019)" : 22 Documents clear
PENERAPAN MODEL PEMBELAJARAN KOOPERATIF TIPE NUMBERED HEAD TOGETHER (NHT) UNTUK MELATIHKAN KETERAMPILAN KOMUNIKASI SISWA KELAS XI PADA MATERI ASAM BASA DI SMA NEGERI 1 CERME
UNESA Journal of Chemical Education Vol 8 No 2 (2019)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (708.458 KB) | DOI: 10.26740/ujced.v8n2.p%p

Abstract

Abstrak Tujuan dari penelitian ini adalah untuk melatihkan keterampilan komunkasi siswa dengan menerapkan model pembelajaran kooperatif tipe NHT pada materi Asam Basa. Subjek yang digunakan dalam penelitian ini adalah siswa kelas XI IPA 7 SMAN 1 Cerme. Desain penelitian ini menggunakan desain one-group pretest-posttest. Instrumen yang digunakan dalam penelitian ini adalah lembar observasi keterlaksanaan pembelajaran kooperatif tipe NHT, lembar observasi aktivitas siswa, lembar pengamatan keterampilan komunikasi, lembar pretest dan posttest hasil belajar pengetahuan, dan lembar angket respon siswa. Hasil penelitian menunjukkan bahwa bahwa (1) Persentase penerapan model pembelajaran kooperatif tipe NHT pada pertemuan 1 sampai 3 masing-masing sebesar 92,86%, 93,98%, 95,10%. (2) persentase aktivitas siswa pada pertemuan pertama hingga ketiga berturut-turut sebesar 87,67%, 90,00%, 93,33%. %. (3) Keterampilan komunikasi siswa meliputi kuantitas dan kualitas bertanya dan berpendapat. Persentase komunikasi selama tiga kali pertemuan mengalami peningkatan. (4) Hasil belajar pengetahuan siswa meningkat dengan diterapkannya model pembelajaran kooperatif tipe NHT dibuktikan pada saat posttest nilai rata-rata siswa mencapai 90,00 dengan ketuntasan klasikal sebesar 100%. Secara klasikal diperoleh Gain sebesar 0,84 dengan kategori tinggi. (5)respon peserta didik terhadap penerapan model pembelajaran kooperatif tipe NHT termasuk dalam kategori sangat baik terbukti dengan persentase tanggapan positif 95,83% Kata kunci: Kooperatif tipe NHT, Keterampilan Komunikasi, Asam Basa Abstract The purpose of this study was to train students communication skills by implemention of cooperative learning model type NHT on Acid-Base matter. Subjects used in this study were students of class XI IPA 7 SMAN 1 Cerme. The design of this study used a pretest-posttest one grup design. The instruments used in this study were observation sheets for implementation of cooperative learning type NHT, observation sheet of student’s activity, observation sheet of communication skills, pretest and posttest sheets of learning outcomes of student’s knowledge , and student response questionnaire sheets. The result showed that (1) Percentage of implementation of cooperative learning model type TSTS at meetings 1 to 3 respectively of 92,86%, 93,33%, 95,10%. %.(2) the percentage of student’s activity at the 1st to 3rd consecutive meetings of 87,67%, 90,00% 93,33% (3) Student communication skills include quantity and quality of questions and opinions. The percentage of communication during the three meetings increased4) Student learning outcomes increase with the implementation of cooperative learning model type NHT as evidenced when the posttest scores of students reach 90.00 with classical completeness 100%. Classically, Gain is obtained at 0.84 with a high category (5) the response of learners to the application of cooperative learning model type NHT include in very good category as evidenced by the percentage of positive response of 95,83%Keywords:Cooperatif type NHT, Communication skill, Acid Bases.
PENGEMBANGAN LEMBAR KERJA SISWA BERBASIS INKUIRI TERBIMBING UNTUK MELATIHKAN KETERAMPILAN BERPIKIR KREATIF PADA MATERI LAJU REAKSI
UNESA Journal of Chemical Education Vol 8 No 2 (2019)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (627.639 KB) | DOI: 10.26740/ujced.v8n2.p%p

Abstract

Abstrak Penelitian ini bertujuan untuk mengetahui kelayakan Lembar Kerja Siswa berbasis inkuiri terbimbing pada materi laju reaksi untuk melatihkan keterampilan berpikir kreatif siswa kelas XI SMA. Desain penelitian pengembangan menggunakan metode 4-D (Define, Design, Develop, Dissiminate), namun pada penelitian ini sampai tahap pengembangan (Develop). Selanjutnya diujikan uji coba terbatas pada 12 orang siswa kelas XI MIA 3 SMAN 4 Bojonegoro pada 15 sampai 22 Januari 2019 yang telah mendapatkan materi laju reaksi. Instrumen penelitian terdiri atas lembar telaah, lembar validasi, lembar angket respon siswa, lembar tes pengetahuan, dan lembar tes keterampilan berpikir kreatif. Hasil penelitian menunjukan bahwa Lembar Kerja Siswa berbasis inkuiri terbimbing layak berdasarkan penilaian dari validator dan respon siswa sebesar ≥61% serta mencapai nilai ≥75 sesuai kriteria ketuntasan belajar minimum (KBM). Penilaian validator berdasarkan kelayakan kriteria isi, kebahasaan, penyajian, dan kegrafisan menunjukan persentase sebesar 83,34%, 85,00%, 84,52%, dan 81,25% dengan kategori valid. Respon siswa menunjukan respon positif. Hasil tes pengetahuan memperoleh n-gain score 0,76 dengan kategori tinggi. Hasil tes keterampilan berpikir kreatif siswa orisinalitas rata-rata sebesar 80,56%, berpikir kelancaran rata-rata sebesar 78,13%, berpikir fleksibilitas rata-rata sebesar 87,50%, dan berpikir elaborasi sebesar 83,33% dengan kategori tinggi. Kata Kunci: Lembar Kerja Siswa, Inkuiri Terbimbing, Keterampilan Berpikir Kreatif, Laju Reaksi. Abstract Theaim of this research is to know the feasibility of students worksheet based on guided inquiry to practice students creative thinking skill in reaction rates. The design of development research uses the 4-D method (Define, Design, Develop, Dissiminate), but in this research until the development stage (Develop). Furthermore, the limied trial was conducted on 12 students of class XI MIA 3 of SMAN 4 Bojonegoro in January 15th until 22th 2019 who had received the reaction rates. The research instruments consist of review sheets, validation sheets, student response questionnaire sheets, knowledge test sheets and creative thinking skills test sheets. The results of this research indicate that guided inquiry-based Student Worksheetsare feasible based on the assessment of the validator and student responses of respon ≥ 61% and reached a value of ≥75 according to the minimum learning completeness criteria (KBM). The validator assessment basedon the feasibility of content criteria language, presentation, andgraphic that show a percentage of 83,34%, 85,00%, 84,52%, and 81,25% in the valid category. Student responses indicate a positive response. The results of knowledge test obtain n-gain score of 0,76 with a high category. The results of the students creative thinking skills originality test is 80,56%, thinking fluency is 78,13%, thinking flexibility is 87,50%, and thinking elaboration is 83,33% with a high category. Keywords: Student Worksheets, Guided Inquiry, Creative Thinking Skills, Reaction Rates.

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