scholarly journals ANALISIS PELAKSANAAN PRAKTIKUM KIMIA

2019 ◽  
Vol 3 (2) ◽  
pp. 52
Author(s):  
N. K.A. Damayanti ◽  
S. Maryam ◽  
I. W. Subagia
Keyword(s):  
Chemistry Laboratory ◽  
Chemistry Teacher ◽  
Chemistry Teachers ◽  
Learning Time ◽  
Factors Influencing ◽  
Chemistry Learning ◽  
Laboratory Assistant ◽  
Teachers And Students ◽  
Tenth Grade ◽  
Twelfth Grade

ABSTRAKPenelitian ini bertujuan untuk mendeskripsikan dan menjelaskan (1) topik/materi praktikum kimia yang dilaksanakan dalam pembelajaran kimia; (2) pelaksanaan praktikum kimia; dan (3) faktor-faktor yang memengaruhi pelaksanaan praktikum kimia di SMA Negeri 3 Singaraja. Penelitian ini merupakan penelitian kualitatif dengan menggunakan pendekatan fenomenologi. Subjek penelitian ini adalah guru kimia, kepala laboratorium, dan siswa. Teknik pengumpulan data yang digunakan adalah studi dokumen, observasi, dan wawancara. Hasil penelitian ini adalah (1) Topik/materi praktikum kimia yang direncanakan oleh guru kimia di SMA Negeri 3 Singaraja tidak semua dapat dilaksanakan. Pada kelas X dilaksanakan dua topik/materi praktikum kimia dari tiga topik/materi yang direncanakan. Pada kelas XI dilaksanakan lima topik/materi praktikum kimia dari sembilan topik yang direncanakan. Pada kelas XII dilaksanakan satu topik/materi praktikum kimia dari empat topik/materi praktikum kimia yang direncanakan. (2) Pelaksanaan praktikum kimia di SMA Negeri 3 Singaraja dilaksanakan secara berkelompok dan dibimbing oleh guru kimia. (3) Faktor-faktor yang memengaruhi pelaksanaan praktikum kimia di SMA Negeri 3 Singaraja yaitu kesiapan guru dan siswa untuk melaksanakan praktikum kimia, laboratorium kimia, alat dan bahan praktikum, waktu pembelajaran, serta laboran. Kata kunci: analisis, pelaksanaan praktikum kimia, SMA Negeri 3 Singaraja.  ABSTRACTThis research aimed to describe and explain (1) the practicum topic conducted in chemistry learning; (2) the implementation of chemistry practicum; and (3) factors that influence the implementation of chemistry practicum in SMA Negeri 3 Singaraja. The research was a qualitative research with a phenomenology approach. The subjects of this research were chemistry teachers, laboratory head, and students. The data collection techniques used in this research were document studies, observations, and interviews. The results of this research are (1) the chemistry practicum topic planned by four teachers’ chemistry in SMA Negeri 3 Singaraja is not all workable. In the tenth grade two chemistry practicum topics were hold out of three planned topics. In the eleventh grade five chemistry practicum topic were hold out of nine planned topics. In the twelfth grade hold one chemistry practicum topics of four planned topics. (2) Chemistry practicum in SMA Negeri 3 Singaraja was carried out by groups and guided by chemistry teacher. (3) Factors influencing the implementation of practicum chemistry in SMA Negeri 3 Singaraja were teachers and students’ readiness, chemistry laboratory, tools and practicum material, learning time, and laboratory assistant. Key words: analysis, implementation chemistry practicum, SMA Negeri 3 Singaraja

scholarly journals Development of Audiovisual-Based PowToon Animation Video on Chemical Bonds for Tenth Grade

2022 ◽  
Vol 8 (1) ◽  
pp. 222-229
Author(s):  
Akmalia Mutiara Dewi ◽  
Agus Kamaludin
Keyword(s):  
Development Model ◽  
Chemical Bonds ◽  
Design Development ◽  
Chemistry Teachers ◽  
Chemistry Learning ◽  
Teachers And Students ◽  
Tenth Grade ◽  
The Media ◽  
The Subject

This research aimed to develop an audiovisual-based PowToon animation video on the subject matter of chemical bonds and analyze the quality of the audiovisual-based animated video as learning media to study chemical bonds based on the assessment of material experts, media experts, chemistry teachers, and students’ responses. This research used development research methods (R&D) with a 4D development model (Define, Design, Development, and Dissemination). However, the 4D development model was limited to the dissemination stage in this research. The product is an animated video, which is in the form of mp4, containing chemical bond materials. Based on product quality assessment by a material expert, it gained a percentage of 84.375% with very good (VG) category; from the media expert’s assessment, it obtained a percentage of 96.428% with very good (VG) category; and according to assessment by chemistry teachers of high school, it got a percentage of 98.48% in the very good (VG) category. The product was responded to positively by students with a percentage of 95%. Based on the results of assessments, the animated video can be used as an alternative media for the chemistry learning process in the classroom

Pre-service chemistry teachers' competencies in the laboratory: a cross-grade study in solution preparation

2016 ◽  
Vol 17 (1) ◽  
pp. 100-110 ◽  
Author(s):  
F. Ö. Karataş
Keyword(s):  
Chemistry Education ◽  
Teacher Education Program ◽  
Sharp Decrease ◽  
Solution Chemistry ◽  
Chemistry Laboratory ◽  
Chemistry Teacher ◽  
Chemistry Teachers ◽  
Grade Levels ◽  
Solution Preparation ◽  
Safety Rules

One of the prerequisites for chemistry teacher candidates is to demonstrate certain laboratory skills. This article aims to determine and discuss the competencies of pre-service chemistry teachers in a chemistry laboratory context working with solution chemistry content. The participants in this study consisted of a group of pre-service chemistry teachers in the first to fifth years of a chemistry teacher education program. The participants were given individual tasks of preparing solutions of a certain concentration. The tasks included two steps: calculation and application. The participants were also observed in terms of the degree to which they followed the laboratory safety rules. Overall, the pre-service teachers made numerous errors in calculating the correct amounts of a substance and preparing a solution, as well as obeying the safety rules. Interestingly, the participants' laboratory competencies showed a trend along their grade levels; namely, a slight increase and then a sharp decrease in their solution preparation knowledge and skills that could be associated with retention loss or decay over time in the absence of rehearsal and/or ill-encoding. These results may contribute to the discussion on virtual and physical laboratories in chemistry education.

scholarly journals Validitas Dan Praktikalitas Modul Reaksi Redoks dan Sel Elektrokimia Berbasis Guided Discovery Learning untuk SMA

2018 ◽  
Vol 2 (1) ◽  
pp. 17
Author(s):  
Yerimadesi Yerimadesi ◽  
Bayharti Bayharti ◽  
Risa Oktavirayanti
Keyword(s):  
Electrochemical Cell ◽  
Discovery Learning ◽  
Development Research ◽  
Test Results ◽  
Guided Discovery ◽  
Chemistry Teachers ◽  
Teachers And Students ◽  
Twelfth Grade ◽  
Cell Module ◽  
Very High

Module based on guided discovery learning can be used as an alternative to improve student�s activeness and understanding the concept. This research aims to develop redox reaction and electrochemical cell module based on guided discovery learning and reveals its validity and practicability. The type of this research is a development research using 4-D development model. The research instrument used was a questionnaire in the form of validity and practicality sheet. This module was validated by 3 UNP chemistry lecturers and 2 chemistry teachers of SMAN 10 Padang. Practicality test were conducted on 2 chemistry teachers and 32 twelfth grade students of SMAN 10 Padang. Data were analyzed by Cohen�s Kappa formula. The results of the validity test showed that the module has a very high validity category (k=0.83). Practicality test results by teachers and students showed that the module has high practicality category (k=0.79 and 0.80). Based on the results of this research, it can be concluded that the module developed was valid, practical.

Chemistry Ludo Game as A Learning Media on Intermolecular Attractions Matter

EduKimia ◽  
2020 ◽  
Vol 2 (1) ◽  
pp. 18-24
Author(s):  
Iswendi Iswendi ◽  
Ririn Agustriana Iswara
Keyword(s):  
Research And Development ◽  
Chemistry Teacher ◽  
Interparticle Interactions ◽  
Chemistry Teachers ◽  
Teachers And Students ◽  
Data Validity ◽  
Very High

The purpose of this research was to develop Chemistry Ludo Game as a learning media on Intermolecular Attractions matter, determine level validity and practicality. This type of research are Research and development, using 4-D models. The instruments used a questionnaire of validity and practicality. The data was analysed using the Kappa Cohen formula. Validation was carried out by Chemistry lecturer FMIPA UNP and Chemistry teacher SMAN 3 Bukittinggi. Practicality was carried out by chemistry teachers and students of class X MIPA 3 SMAN 3 Bukittinggi. From the analysis of the data, validity and practicality are very high, the validity 0.83, the practicality of teachers 0.94 and students 0.86. These data shows that the developed Chemistry Ludo can be used as a learning media on interparticle interactions matter.

scholarly journals ANALISIS KOMPETENSI GURU DALAM MERENCANAKAN DAN MELAKSANAKAN PEMBELAJARAN KIMIA BERBASIS KURIKULUM 2013 STUDI KASUS DI KELAS X SMA NEGERI 6 PONTIANAK

2018 ◽  
Vol 6 (2) ◽  
Author(s):  
Haqqul Mubin
Keyword(s):  
Data Collection ◽  
Case Studies ◽  
Data Reduction ◽  
Chemistry Teacher ◽  
Research Subjects ◽  
Chemistry Teachers ◽  
High Category ◽  
Chemistry Learning ◽  
Data Validity ◽  
Very High

This study aimed to determine the competence of teachers in planning and implementing chemistry learning based of curriculum 2013 case studies in class X SMA Negeri 6 Pontianak. Research subjects were chemistry teachers in class X SMA Negeri 6 Pontianak. Data collection tools used are documentation sheets, observation sheets and competency tests. Data were analyzed through data collection steps, presentation, data reduction and conclusions. Technique examination of data validity was conducted by triangulation technique and source triangulation. The result showed that the percentage of competence of chemistry teacher class X SMA Negeri 6 Pontianak in planning chemistry learning based of curriculum 2013 was 91,02% in the very high category and the percentage of competence of chemistry teacher class X SMA Negeri 6 Pontianak in implementing chemistry learning based of curriculum 2013 was 88,09% in the very high category. It showed that chemistry teacher had implemented the curriculum 2013 well.

scholarly journals Preservice Chemistry Teacher Perception toward Contextual Learning Implementation of OLEDs in Organic Chemistry Learning

2021 ◽  
Vol 4 (1) ◽  
pp. 1006-1011
Author(s):  
Septian Jauhariansyah ◽  
Oczhinvia Dwitasari ◽  
Ahmad Mudzakir ◽  
Tuszie Widhiyanti
Keyword(s):  
Organic Chemistry ◽  
Double Bond ◽  
Teacher Perception ◽  
Contextual Learning ◽  
Chemistry Teacher ◽  
Chemistry Teachers ◽  
Light Emitting ◽  
Chemistry Learning ◽  
Display Technology ◽  
Pre Service Teacher

This study aimed to explore chemistry pre-service teacher view toward implementation of contextual learning in Organic Chemistry. The context that was investigated about is Organic Light Emitting Diodes (OLEDs), which was a novel display technology that is being used for smartphone display. Seventeen pre-service chemistry teachers were interviewed about their knowledge about organic chemistry, conjugated double bond, OLEDs and their view about implementing OLEDs context in organic chemistry learning. Three groups of questions were asked to the pre-service chemistry teacher, most of them indicating lack knowledge about detail information of OLEDs even though they really appreciate if OLEDs was introduced in Organic Chemistry learning especially in conjugated double bond and nature-generated organic compound topics.  

scholarly journals PENGEMBANGAN MEDIA PEMBELAJARAN DAMDAM JI CHEMISTRY PADA MATERI KOLOID UNTUK SMA/MA KELAS XI

2020 ◽  
Vol 8 (1) ◽  
pp. 66
Author(s):  
Agus Kamaludin ◽  
Desi Naurin Nisak
Keyword(s):  
Data Collection ◽  
Student Response ◽  
Development Model ◽  
Chemistry Teacher ◽  
Design Development ◽  
Chemistry Teachers ◽  
Is Research ◽  
Chemistry Learning ◽  
Assessment Sheet

AbstractThis study aimed to develop a Damdam Ji Chemistry learning media on colloidal material. This research is Research & Development (R&D) which used the 4D development model (Define, Design, Development, and Disseminate). The instruments of data collection consisted of media validation sheet, product quality assessment sheet, and student response sheets. This product qulity was assessed by one material expert, one media expert, and three chemistry teachers. The result showed that the quality of the Damdam Ji Chemistry learning media have very good quality with an percentage ideal of 96,91% from the chemistry teacher and have well postive response from the students with an percentage ideal of 93,2 %. The use of Damdam Ji Chemistry in chemistry learning can make learning more interesting with games.

scholarly journals LKPD Bentuk Molekul Berbasis Inkuiri Terstruktur Dengan Menggunakan Pemodelan Tiga Dimensi

EduKimia ◽  
2019 ◽  
Vol 1 (3) ◽  
pp. 96-101
Author(s):  
Nurafni Nurafni ◽  
Minda Azhar
Keyword(s):  
Research And Development ◽  
Molecular Shape ◽  
Chemistry Teachers ◽  
Is Research ◽  
High Category ◽  
Chemistry Learning ◽  
Teachers And Students ◽  
Very High

This study is research and development (RD) and using 4-D models, but disseminate step is not done. Validation of student worksheets has been done by chemistry lecturers and chemistry teachers. The practicality of student worksheets has been done by chemistry teachers and students of 2nd grade of SMAN 1 Pariaman. The result showed that moment kappa average of validity was 0,83 with very high validity category and moment kappa average of practicality were 0,9 by chemistry teachers and 0,86 by students with very high category. Therefore student worksheets of molecular shape based on structured inquiry with emphasis on the submicroscopic level using 3-D models is valid and practice to be used on the chemistry learning.

Pengembangan Modul Pembelajaran Kimia menggunakan Pendekatan Ilmiah

2019 ◽  
Vol 2 (2) ◽  
Author(s):  
Ellizar ◽  
Latisma ◽  
Sri Gusriawati
Keyword(s):  
Data Analysis ◽  
Learning Process ◽  
Chemistry Teachers ◽  
Learning Module ◽  
Chemistry Learning ◽  
Scientific Approach ◽  
Teachers And Students ◽  
Data Validity ◽  
And Control ◽  
Model Approach

Penelitian ini bertujuan untuk mengembangkan modul pengajaran Kimia berbasis Ilmiah untuk Hidrolisis Garam. Modul ini dibuat dengan menggunakan langkah-langkah pendekatan ilmiah yang terdiri dari mengamati, mempertanyakan, mengumpulkan data, bergaul dan berkomunikasi. Pendekatan model Ploomp digunakan dalam penelitian ini yang terdiri dari Define; Desain; Mengembangkan; dan Diseminasi. Modul ini divalidasi oleh delapan validator, dan dicicipi oleh tiga guru kimia dan siswa kelas XI IPA di tiga sekolah. Hasil analisis validitas data yang diperoleh menunjukkan bahwa modul yang dihasilkan memenuhi kriteria valid dilihat dari aspek konten, grafik, konstruk, dan bahasa. Hasil kepraktisan modul dari siswa dan guru terlihat dari waktu penggunaan dan kemudahan implementasi. Efektivitas modul ini dapat dilihat dari aktivitas dan hasil belajar siswa, aktivitas siswa dari ketiga sekolah tersebut selama proses Pembelajaran sangat efektif. Hasil belajar dari ketiga sekolah di kelas eksperimen menggunakan modul ini lebih tinggi dari kelas kontrol yang tidak kita modul. Hasil belajar diuji dengan pengujian hipotesis dari analisis data diperoleh bahwa that thitung > ttabel, di SMA Negeri 1 Gunung Talang dengan thitung bernilai 4,29 dan ttabel bernilai 1,68,  di SMA Negeri 1 Kubung, thitung 2,27 dan  ttabel 1,68 serta di SMA Negeri 1 Bukit Sundi, thitung  4,24 dan thitung 1,67 sehingga asumsi H0 tidak diterima dan H1 diterima pada tingkat kepercayaan 0,05. Ini membuktikan bahwa ada perbedaan yang signifikan dalam hasil belajar siswa antara kelas eksperimen dan kelas kontrol. Berdasarkan hasil itu, dapat disimpulkan bahwa Modul Pembelajaran Kimia berdasarkan pendekatan ilmiah dalam pelajaran hidrolisis garam kelas XI SMA / MA yang dihasilkan dapat dinyatakan sebagai praktik yang valid dan efektif.   This research was aimed at developing Scientific based Chemistry instructional modules for Salt Hydrolysis. The module is made by using scientific approach steps which consist of observing, questioning, collecting data, associating and comunicating. A Ploomp model approach was utilized in this study which consisted of Define; Design; Develop; and Disseminate. The module was validated by eight validators, and was tasted to three chemistry teachers and students of class XI IPA in three schools. The result of data validity analysis that was obtained showed that the module which was produced fulfilled valid criteria seen from the aspects of content, graphics, construct, and language. The module practicality result from students and teachers was practical seen from usage time and the implementation easiness. The effectiveness of this module can be seen from activity ad student’s learning result, the activity of students from those three school during Learning process was very effective. The learning result of those three schools in experiment class using this module was higher than control class which did not us the module. The learning result was tested with hypothesis testing from data analysis it was obtained that tcount > ttable, to SMA Negeri 1 Gunung Talang tcount 4,29 and ttable 1,68, in SMA Negeri 1 Kubung, tcount 2,27 and ttable 1,68 and SMA Negeri 1 Bukit Sundi, tcount 4,24 and tcount 1,67 that H0 was rejected and H1 was accepted in the real level 0,05. This proved that there was a significant distinction in student’s learning result between experiment class and control class. Based on that result, it can be concluded that Chemistry Learning Module based on scientific approach in salt hydrolisis lesson of class XI SMA/MA that was produced can be stated valid practice and effective one.

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