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UNESA Journal of Chemical Education

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 27 Documents

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Search results for , issue "Vol 8 No 3 (2019)" : 27 Documents clear

Penerapan Model Pembelajaran Kooperatif TipeThink Pair Share yang dipadukan Make A Match untuk Meningkatkan Hasil Belajar dan Motivasi Siswa pada Materi Reaksi Reduksi-Oksidasi Kelas X
UNESA Journal of Chemical Education Vol 8 No 3 (2019)
Publisher : Universitas Negeri Surabaya

Penelitian ini bertujuan untuk mendeskripsikan keterlaksanaan sintaks model pembelajaran kooperatif tipe Think Pair Share yang dipadukan Make A Match, aktivitas siswa, hasil belajar siswa, dan motivasi belajar siswa. Rancangan penelitian menggunakan One group pretest-posttest design dengan sampel penelitian sebanyak 36 siswa kelas X MIA-2 SMA Negeri 1 Sumberrejo. Hasil penelitian menunjukkan bahwa (1) keterlaksanaan pada pertemuan pertama dan kedua memperoleh kriteria baik atau sangat baik pada setiap fase dengan persentase 61 %. (2) aktivitas siswa selama pembelajaran terlaksana dengan baik yaitu persentase aktivitas relevan ( 61 %) lebih besar dibandingkan persentase aktivitas tidak relevan. (3) hasil belajar menunjukkan bahwa sebesar 91,67 % siswa telah mencapai ketuntasan secara klasikal dan peningkatan hasil belajar melalui gain score diperoleh sebesar 86,11 % siswa mendapat kategori tinggi dan sebesar 13,89 % siswa mendapat kategori sedang. (4) motivasi belajar siswa yang diukur menggunakan angket motivasi ARCS mengalami peningkatan dari 47,43 % dengan kriteria cukup menjadi 78,25 % dengan kriteria baik. Kata kunci: Model pembelajaran kooperatif tipe Think Pair Share, Make A Match, reaksi reduksi oksidasi

UJI VALIDITAS KIT PRAKTIKUM SEBAGAI MEDIA PEMBELAJARAN UNTUK MELATIHKAN KETERAMPILAN PROSES SAINS SISWA PADA SUB MATERI PENENTUAN PERSAMAAN LAJU REAKSI
UNESA Journal of Chemical Education Vol 8 No 3 (2019)
Publisher : Universitas Negeri Surabaya

Penelitian ini bertujuan mendeskripsikan validitas isi dan konstruk KIT Praktikum Penentuan Persamaan laju Reaksi beserta perangkatnya. KIT Praktikum beserta perangkat yang dikembangkan ini disesuaikan dengan keterampilan yang akan dilatihkan yaitu Keterampilan Proses Sains (KPS) siswa. Metode yang digunakan dalam penelitian ini adalah desain penelitian dan pengembangan. Instrument penelitian yang digunakan terdiri atas lembar telaah dan lembar validasi. Analisis data dilakukan secara deskriptif kuantitatif untuk mengetahui validitas KIT Praktikum beserta perangkat yang dikembangkan. Media dikatakan valid apabila memiliki persentase validitas minimal sebesar 61% atau berada pada kategori valid hingga sangat valid. Media KIT Praktikum Penentuan Persamaan Laju Reaksi yang dikembangkan telah dinyatakan valid dari segi isi yang ditunjukkan dengan perolehan persentase rata-rata validasi isi KIT Praktikum sebesar 86,67 %, Lembar Kerja Siswa (LKS) sebesar 82,78 %, dan Buku Panduan Praktikum sebesar 86,67 %. Media KIT Praktikum Penentuan Persamaan Laju Reaksi yang dikembangkan telah dinyatakan valid dari segi konstruk yang ditunjukkan dengan perolehan persentase rata-rata validasi konstruk KIT Praktikum sebesar 87,78 %, Lembar Kerja Siswa (LKS) sebesar 83,33 %, dan Buku Panduan Praktikum sebesar 84,17 %. Kata kunci: Validitas, KIT Praktikum, Keterampilan Proses Sains, Penentuan Persamaan laju Reaksi

Pengembangan Lembar Kerja Praktikum Berorientasi Problem Solving untuk Melatihkan Keterampilan Proses Sains pada Materi Hidrolisis Garam
UNESA Journal of Chemical Education Vol 8 No 3 (2019)
Publisher : Universitas Negeri Surabaya

Penelitian ini bertujuan untuk menentukanakelayakan Lembar Kerja Praktikum (LKP) berorientasi problem solving untuk melatihkan keterampilan proses sains pada materi hidrolisis garam. Pengembangan LKP ini menggunakan metode Research and Development (R & D) yang dibatasi sampai dengan uji coba dalam kelas pada 15 peserta didik di kelas XI IPA SMAN 4 Bangkalan. LKP ini disusun berdasarkan komponen problem solving dan keterampilan proses sains yang dilatihkan yaitu merumuskan masalah, merumuskan hipotesis, mengontrol variabel, merancang investigasi, memproses data, menganalisis data dan membuat simpulan. Kelayakan LKP yang diteliti meliputi (1) validitas yang ditinjau dari kriteria isi, bahasa, grafis dan penyajian, (2) keefektifan yang ditinjau dari hasil tes keterampilan proses sains peserta didik, (3) kepraktisan yang dihasilkan dari angket respon terhadap LKP. Hasil penelitian menunjukkan kelayakan LKP yang ditinjau validitas kriteria isi, bahasa, grafis dan penyajian dinyatakan sangat layak dengan persentase berturut-turut 88,52%;88,89%;88,34%; dan 85,34%. Keefektifan LKP dinyatakan layak digunakan ditinjau dari hasil tes keterampilan proses sains mendapatkan rata-rata n-gain score 0,70 dengan kriteria tinggi. Kepraktisan dinyatakan sangat layak ditinjau dari respon peserta didik memperoleh respon positif dengan persentase 96,16 %. Berdasarkan dari ketiga kriteria kelayakan LKP berorientasi problem solving dinyatakan layak untuk digunakan. Kata Kunci: LKP, problem solving, keterampilan proses sains, hidrolisis garam.

The Development of Chem Man Computer Game as Atomic Constituent Particles Learning Media For 10th Grade High School
UNESA Journal of Chemical Education Vol 8 No 3 (2019)
Publisher : Universitas Negeri Surabaya

This study aimed to obtain Chem Man computer game as atomic constituent particles learning media for 10th grade high school. This feasibility was viewed from the validity, practicality, and effectiveness of the game. Method of the research used the Research and Development (R & D) method with three steps, namely (1) preliminary study, (2) development (3) trial. The instruments were used game review sheets, game validity, pre-test and post-test, observation of student activities, students responses, and students interest in learning. The trial was conducted in one class consist of 30 students of X MIPA 7 SMAN 19 Surabaya. The results of content validity and construct validity obtained a percentage in the range between 80% - 93.33% with valid to very valid categories. The practicality in terms of observation of students activities obtained a percentage 98.79% with a very practical category and the response of students gained a percentage 96.67% with a very practical category. The effectiveness in terms of student learning outcomes, namely classical completeness of students got a percentage 100% with a very effective category and the results of participant learning interest questionnaires obtained an overall average percentage 97.78% with high category.Keywords: Chem Man Game, Learning Media, Atomic Constituent Particles

THE DEVELOPMENT OF STUDENT WORKSHEET INQUIRY ORIENTED TO PRACTICE SCIENCTIFIC LITERACY ON FACTORS THAT AFFECTING REACTION RATES SUBMATTER
UNESA Journal of Chemical Education Vol 8 No 3 (2019)
Publisher : Universitas Negeri Surabaya

This study aims to develop student worksheets to practice scientific literacy based on feasibility in terms of content validity, construct validity, practicality, and effectiveness. The type of this reasearch refers to the method of Research and Development (R&D) adaptation of Sugiyono (2015) which was confined only to preliminary field testing stage. The instrument that is used were review sheets, content and construct validation sheets, learning outcomes test (pretest and posttest), student activities sheets and student responses sheets. This worksheets was tested on 12 students of 11th grade in SMAN 1 Krian. The result showed the worksheets that developed was valid viewed from content validity that obtained a percentage in range between 82.23%-89.99% with highly valid category, and viewed from construct validity 84.45%-93.33% with highly valid category. Practicality viewed from the result of student responses that obtained a percentage in range between 87.50%-94.45% with highly practical category which supported by observational student activities that obtained a percentage in range between 95.56%-99.51% with highly practical category. Effectiveness viewed from increasing student scientific literacy score through increasing n-gain that obtained scores in the range between 0.65-0.82 with range of categories between medium to high which is supported by the results of students completeness that obtained a percentage of 100% with complete category. Keywords: Worksheets, Scientific Literacy, Inquiry, Factors that Affecting Reaction Rates

THE DEVELOPMENT OF STUDENT MISCONCEPTIONS DETECTION AND REDUCTION SOFTWARE IN REACTION RATE MATERIAL WITH CONCEPTUAL CHANGE TEXT STRATEGY
UNESA Journal of Chemical Education Vol 8 No 3 (2019)
Publisher : Universitas Negeri Surabaya

This Study aimed to get a feasible software in detect and reduce students’ misconceptions on reaction rate topic. This feasibility was viewed from the validity, practicality, and effectiveness of the software. Method of the research used research and development (R&D). The subjects in the research were 12 students of XI MIPA in SMAN Jogoroto, who had receive the reaction rate material. The method which is used to detect students misconceptions is a three-tier test, while the strategy used to reduce misconceptions is conceptual change text strategy. Based on the results of validation by 3 validators, the content validity of the software was 89.92% in very valid category, while the construct software validity in linguistic, presentation, graphic, and software requirements as ICT media criteria be successive were 81.67%, 85.56%, 87.33%, and 82.22%, so four criteria for construct validity of software can be categorized as very valid. The practicality of software based on the response questionnaire supported by the student activity observation were 95.16% and 91% in very practical categories. Based on shifting students conceptions from misconceptions to know concepts in preliminary field testing, the effectiveness of software was 82.13% in very effective category. This shows that the software fulfills 3 feasibility criteria, so the software is appropriate used to detect and reduce students’ misconceptions in the reaction rate material, that is the effect of surface area, catalyst, temperature, and concentration on the reaction rate concept. Keywords: Software, misconception, reaction rate, conceptual change text.

THE DEVELOPMENT OF STUDENT WORKSHEET TO TRAIN CRITICAL THINKING SKILL IN ACID BASE MATTER FOR SENIOR HIGH SCHOOL IN 11th GRADE
UNESA Journal of Chemical Education Vol 8 No 3 (2019)
Publisher : Universitas Negeri Surabaya

This study aimed to produce appropriate student worksheet used as a teaching material to train critical thinking skill of acid-base matter that are reviewed from content validity and constructs through the results of validation by experts, practicality through student activities and student responses, and effectiveness through critical thinking skills and learning outcomes of student. The type of this research is the development of Research and Development (R&D) models which are limited to reaching the product trial stage. The student worksheet was tested on 12 students of 11th grade at SMAN 1 Sumberrejo Bojonegoro. Based on the research data obtained, student worksheet to train student critical thinking skills in acid-base matter developed is feasible to use, in terms of validity, practicality, and effectiveness. The results showed that the developed student worksheet was valid in terms of content validity, obtained a percentage of 91.99% and construct validity consisting of presentation criteria obtained a percentage of 88.37%, linguistic criteria obtained a percentage of 85.79%, and graphics criteria obtained a percentage amounting to 88.45%. student worksheet is practical in terms of observations of the activities of students during the testing phase of the student worksheet with a percentage of 96.36% and responses of students to each criterion namely the content criteria of 94.45%, presentation criteria 91.67%, linguistic criteria 91.67%, graphics criteria 97.23%. Effectiveness of student worksheet in terms of indicators of critical thinking skills consisting of interpretations obtained a percentage of 89.72% in the high category, analysis obtained a percentage of 86.17% in the high category, and inference obtained a percentage of 92.92% in the very high category. Increasing the results of the assessment of critical thinking skills through the n-gain score of 16.67% increased with medium category and 83.33% with high category, and the knowledge learning outcomes of students 100% scored above the KKM set at SMAN 1 Sumberrejo, namely >75. Keywords: Student Worksheet, Critical Thinking Skills, Feasibility, Acid Base

Pengembangan Lembar Kerja Peserta Didik (LKPD) Berorientasi Problem Solving untuk Melatihkan Keterampilan Berpikir Kritis Peserta Didik Kelas XI pada Materi Kesetimbangan Kimia
UNESA Journal of Chemical Education Vol 8 No 3 (2019)
Publisher : Universitas Negeri Surabaya

Penelitian ini bertujuan untuk mendiskripsikan kelayakan dari Lembar Kerja Peserta Didik (LKPD) berorientasi problem solving untuk melatihkan keterampilan berpikir kritis pada materi kesetimbangan kimia. Kelayakan dari LKPD yang dikembangkan ditinjau dari tiga aspek yakni kevalidan, kepraktisan, serta keefektifan. Jenis penelitian yang digunakan adalah Research & Development (R&D) yang diujicobakan pada 12 peserta didik kelas XI MIPA SMA Negeri 4 Sidoarjo. Hasil penelitian menunjukkan bahwa LKPD dinyatakan layak dari aspek kevalidan memperoleh hasil validitas isi yang ditinjau dari kriteria kesesuaian dengan materi dan kompetensi dasar, kesesuaian dengan komponen problem solving, dan kesesuaian dengan komponen keterampilan berpikir kritis masing-masing sebesar 80,89%,77,34%, dan 80,45%, serta validitas konstruk ditinjau dari kriteria bahasa, kegrafikan, dan penyajian masing-masing memperoleh hasil sebesar 80%, 86,3%, dan 88,33%, kesemuanya memperoleh kategori valid hingga sangat valid. Kepraktisan memperoleh hasil rata-rata observasi aktivitas peserta didik sebesar 97,22% dan respon peserta didik pada kriteria isi, bahasa, kegrafikan dan penyajian masing-masing memperoleh hasil sebesar 97,62%, 89,58%, 96,67% dan 91,67%. Keempat kriteria tersebut berada pada kategori baik hingga sangat baik. Keefektifan berdasarkan peningkatan hasil pretest-posttest keterampilan berpikir kritis peserta didik yang memperoleh persentase sebesar 100% dengan skor n-gain pada rentang 0,529-0,901 dengan kategori sedang hingga tinggi.Kata kunci: Kelayakan LKPD, problem solving, keterampilan berpikir kritis, kesetimbangan kimia

Penerapan Model Pembelajaran Guided Inquiry untuk Melatihkan Keterampilan Berpikir Kritis Peserta Didik pada Materi Laju Reaksi Kelas XI MAN 1 Tuban
UNESA Journal of Chemical Education Vol 8 No 3 (2019)
Publisher : Universitas Negeri Surabaya

Tujuan penelitan ini adalah menguraikan keterlaksanaan, aktivitas peserta didik, dan keterampilan berpikir kritis pada materi laju reaksi. Model penelitiannya yaitu pra-eksperimen metode deskriptif kuantitatif memakai desain one group pretest posttest design. Dilakukan di kelas XI-MIA 3 MAN 1 Tuban. Menggunakan instrumen lembar observasi keterlaksanaan; aktivitas peserta didik; tes keterampilan berpikir kritis; tes hasil belajar; dan angket respon. Hasilnya menunjukkan (1) rata-rata keteralaksanaan pertemuan pertama, kedua dan ketiga sebesar 94,65%, 96,43%, dan 98,96% dengan kriteria sangat baik. (2) Aktivitas yang relevan pertemuan pertama, kedua, dan ketiga sebesar 86,30%, 88,89% dan 94,46%, aktivitas peserta didik sangat baik karena aktivitas yang relevan lebih tinggi daripada aktivitas yang tidak relevan. (3) Keterampilan berpikir kritis dapat dilatihkan terbukti melalui ketuntasan klasikal sebesar 92,02% dan persentase peningkatan N-gain score pada kriteria tinggi. Kata kunci: Guided Inquiry, Keterampilan Berpikir Kritis, Laju Reaksi

Penerapan Model Pembelajaran Inkuiri Terbimbing Untuk Melatihkan Keterampilan Berpikir Kritis Siswa Pada Materi Laju Reaksi Kelas XI SMA
UNESA Journal of Chemical Education Vol 8 No 3 (2019)
Publisher : Universitas Negeri Surabaya

Penelitian ini bertujuan untuk mengetahui keterlaksanaan pembelajaran dan keterampilan berpikir kritis peserta didik melalui penerapan model pembelajaran inkuiri terbimbing pada materi laju reaksi. Sasaran penelitian ini adalah peserta didik kelas XI MIA 2 SMA Negeri 4 Sidoarjo. Jenis penelitian ini adalah Pra Eksperimen (pre experimental design) dan desain penelitian yang digunakan adalah One-Group Pretest-Posttest design. Instrumen yang digunakan dalam penelitian ini adalah lembar observasi keterlaksanaan model pembelajaran inkuiri terbimbing, lembar observasi aktivitas peserta didik, dan lembar soal tes keterampilan berpikir kritis. Hasil penelitian menunjukkan bahwa (1) Persentase keterlaksanaan model pembelajaran inkuiri terbimbing pada pertemuan I sebesar 89,28% (sangat baik) , dan pertemuan II sebesar 99,1% (sangat baik); (2) Keterampilan berpikir kritis peserta didik berhasil dilatihkan dengan adanya peningkatan test yang dilihat melalui rata-rata nilai N-gain pada indikator interpretasi sebesar 0,90 (tinggi), indikator analisis sebesar 0,73 (tinggi), indikator evaluasi sebesar 0,76 (tinggi), dan indikator inferensi sebesar 0,88 (tinggi) Kata Kunci: Inkuiri Terbimbing, Keterampilan Berpikir Kritis, Laju reaksi

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Contact Name
Muchlis

Contact Email
unesa.j.chem.edu@gmail.com

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+6281330277591

Journal Mail Official
unesa.j.chem.edu@gmail.com

Editorial Address
Prodi Pendidikan Kimia FMIPA Universitas Negeri Surabaya Ketintang, Kec. Gayungan, Kota SBY, Jawa Timur 60231

Location
Kota surabaya,

Jawa timur

INDONESIA

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Muchlis

Contact Email unesa.j.chem.edu@gmail.com

Phone +6281330277591

Journal Mail Official unesa.j.chem.edu@gmail.com

Editorial Address Prodi Pendidikan Kimia FMIPA Universitas Negeri Surabaya Ketintang, Kec. Gayungan, Kota SBY, Jawa Timur 60231

Location Kota surabaya, Jawa timur INDONESIA

Abstract

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Contact Name
Muchlis

Contact Email
unesa.j.chem.edu@gmail.com

Phone
+6281330277591

Journal Mail Official
unesa.j.chem.edu@gmail.com

Editorial Address
Prodi Pendidikan Kimia FMIPA Universitas Negeri Surabaya Ketintang, Kec. Gayungan, Kota SBY, Jawa Timur 60231

Location
Kota surabaya,

Jawa timur

INDONESIA