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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 4 Documents
 1 
Search results for , issue "Vol. 7 No. 1 (2018)" : 4 Documents clear
DEVELOPMENT OF STUDENT WORKSHEETWITH GUIDED INQUIRY-BASED TO TRAIN STUDENT’SCRITICAL THINKING SKILL ON ELECTROLYTE AND NONELECTROLYTE SOLUTION MATTER GRADE X MAYANTI, NUR
UNESA Journal of Chemical Education Vol. 7 No. 1 (2018)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ujced.v7n1.p%p

Abstract

This research aims to develop student worksheet with guided inquiry-based to train student critical thinking skill on electrolyte and non electrolyte solution matters based on validity, practicality and effectiveness. This type of research isresearch development depend on the 4D model, but only to develop stage. The instruments usedisreview sheets, validationsheet, pretest and posttest critical thinking skills of sheet and student questionnaire responses. The data sources from two chemistry lectures and chemistry teacher. The limited trial was conducted on 20 students of X gradeXI MIPA 6 SMAN 1 Manyar then the data can be analyzed using descriptive and quantitative. The results of this reasearch indicate the content validity of 83.80% in the category is very feasible and the construct validity of the percentage of 76.6% in the feasible category. The result of questionnaire from students shows that 87,5% of students give positive response to student worksheet that developed with very feasible criteria. The result of the students' thinking skill test has a range of 73.3% -86.7%, so that the developed student worksheetis categorized as feasible.
THE DEVELOPMENT OF LAB WORK KIT“REACTION RATE CHEMISTRY”TO TRAIN SCIENCE PROCESS SKILL ON REACTION RATE MATTER OF XI GRADE SENIOR HIGH SCHOOL DWI RACHMAWATI, INTAN
UNESA Journal of Chemical Education Vol. 7 No. 1 (2018)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ujced.v7n1.p%p

Abstract

This research aims to determine the feasibility of lab work KIT Reaction Rate Chemistry that used as an intructional media to train the science process skills on the reaction rate matter of XI grade, the validity seen from the validation requirements, the practicality through student responses to lab work KIT reaction rate chemistry, the effectiveness through student learning outcomes and student activity observation results. This was a research development by Borg & Gall, the research model which is limited to preliminary field testing stage. Praliminary field testing conducted on 12 students of XI grade Science 1 SMAN 2 Mojokerto. The instrument that used in this research is the research paper sheet, validation sheet, student response questionnaire, student activity observation sheet, pretest and posttest sheet. The results showed that the developed of lab work KIT reaction rate chemistry was stated feasible on the validity requirement by obtaining an average percentage of 85.22%. Qualified practicality shown from student’s responses on student interest to lab work KIT aspect obtained an average percentage of 97.92%, on the aspect of easy to understanding the matter obtained an average percentage of 93.75%, and on the aspect of easy to use of lab work KIT as instructional media obtained an average percentage of 95.85%. The feasibility of effectiveness shown from student learning outcomes in which 11 students passed the grade individually so that classical completeness reaches 91.67% with gain included in the "Moderate" to "High" category and student activity observation results get an overall average percentage of 89.81%. Keywords: Lab work KIT, Intructional media, Science Procces Skills, Reaction Rate.
PENGEMBANGAN LEMBAR KEGIATAN PESERTA DIDIK (LKPD) PADA MATERI KOLOID UNTUK MELATIHKAN KETERAMPILAN LITERASI SAINS HIDAYATIN, SRINI; MITARLIS
UNESA Journal of Chemical Education Vol. 7 No. 1 (2018)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ujced.v7n1.p%p

Abstract

Tujuan penelitian ini adalah mendiskripsikan kelayakan LKPD materi koloid untuk melatihkan keterampilan literasi sains. Metode penelitian ini menggunakan metode R&D (Research and Development) yang terdiri dari 3 tahap utama yaitu studi pendahuluan, merencanakan penelitian dan pengembangan. Tahap studi pendahuluan mulai dari identifikasi masalah dilanjutkan pengumpulan data. Tahap perencanaan dilakukan pencarian data sebagai bahan untuk desain produk Lembar Kegiatan Peserta Didik. Tahap pengembangan terdiri atas desain produk, telaah, revisi, validasi dan uji coba terbatas. Kelayakan LKPD ditinjau dari aspek validitas, kepraktisan dan keefektifan. Kelayakan LKPD ditinjau dari aspek validitas mendapatkan hasil penilaian validator sebesar 87,61% dengan interpretasi sangat valid. Kelayakan dari aspek kepraktisan berdasarkan respon peserta didik yang memperoleh respon positif sebesar 99,12% dengan interpretasi sangat praktis dan aktivitas peserta didik selama pembelajaran menggunakan LKPD materi koloid untuk melatihkan keterampilan literasi sains diperoleh rata-rata total presentase sebesar 95% dengan interpretasi sangat baik. Kelayakan dari aspek keefektifan ditinjau dari hasil ters keterampilan literasi sains peserta didik mendapatkan nilai gain 0,93 dengan interpretasi tinggi dan ketuntasan peserta didik sebesar 100%.
TRAIN STUDENTS’ CRITICAL THINKING SKILL THROUGH THE IMPLEMENTATION OF COOPERATIVE LEARNING MODEL TYPE GROUP INVESTIGATION (GI) ON MATTER OF REACTION RATE INSMA NEGERI 1 MANYAR KHASANAH, NIKMATUL; AZIZAH, UTIYA
UNESA Journal of Chemical Education Vol. 7 No. 1 (2018)
Publisher : Universitas Negeri Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/ujced.v7n1.p%p

Abstract

This study aims to determine the implementation of learning and students' critical thinking skills after the implementation of cooperative learning model type Group Investigation on matter of reaction rate. This research type is Pre Experiment (pre experimental design) and research design used is One-Group Pretest-Postest Design. Target of this research is student of class XI MIPA 6 SMA Negeri 1 Manyar. The instrumentsused are an observation sheet of cooperative learningmodeltype Group Investigation and sheet of pretest and postest of critical thinking skill. The results showed that (1) The implementation of cooperative learning model type Group Investigationis in good and very good category with percentage in every phase is:in phase 1 was 87.5%; phase 2 was 95.84%; phase 3 which contains stage 1 and stage 2 of the Group Investigation was 87.5%; Phase 4 which contains stage 3, stage4, and stage5 of the Group Investigation was 95.84%; phase 5 which contains stage 6 of Group Investigation was100%; (2) Students’ critical thinking skill in terms of N-gain shows that 85% of students get high N-gain category and 15% of students get N-gain in moderate category.

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