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Jurnal Pendidikan Matematika dan IPA
Published by Universitas Tanjungpura
ISSN : 20860234     EISSN : 25797530     DOI : 10.26418
Core Subject : Science, Education, Agriculture,
Agriculture, Biological Sciences & Forestry Chemistry Education Mathematics Physics
JPMIPA is a journal publishing the mathematic, biology, chemistry, and physic also natural science mathematic eduacation, biology education, physic education, chemistry education, natural science education.
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol 8, No 2 (2017): Juli 2017" : 7 Documents clear
KAJIAN PENGARUH BERAT BIJI KAKAO PERKOTAK DAN WAKTU PENGADUKAN TERHADAP KEBERHASILAN PROSES FERMENTASI Sabahannur, St.; Nirwana, Nirwana
Jurnal Pendidikan Matematika dan IPA Vol 8, No 2 (2017): Juli 2017
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (143.615 KB) | DOI: 10.26418/jpmipa.v8i2.21172

Abstract

This study aim to influence seed weight per box of fermentation and stirring time on the success of the fermentation process. Research using a randomized block design with two factors. The first factor seed weight per box consists of: 15 kg, 20 kg and 25 kg. The second factor, while stirring during fermentation: stirring during 48 hours (1 time), and a stirring time of 48, 72, and 96 hours (3 times) fermentation. The results showed fermentation of cocoa beans each 15 kg, 20 kg and 25 kg has no effect on changes in temperature, pH, total acid and fermentation index. The highest temperature during fermentation at 44-45oC, while stirring time (aeration) significantly affects the pH, fermentation index and slaty beans. Stirring 3 times better than one times in terms of pH (5.6), fermentation index of 1.62 and 3.4% slaty beans.Keywords: fermentation, seed weight, stirring, index fermentation
PENGEMBANGAN PERANGKAT PEMBELAJARAN KIMIA ANALITIK MATERI KROMATOGRAFI BERORIENTASI INKUIRI TERBIMBING Kurniasih, Dedeh; Rahayu, Hanum Mukti
Jurnal Pendidikan Matematika dan IPA Vol 8, No 2 (2017): Juli 2017
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (81.89 KB) | DOI: 10.26418/jpmipa.v8i2.21173

Abstract

The purpose of this research is to develop valid, practical, and effective guided inquiry teaching set to improve the students’ achievement on the course of Analytical Chemistry in Muhammadiyah University. The researcher applied Thiagarajan 3-D model; define, design, and develop. The sample of this research was obtained by purposive sampling resulted in 7 students as the try out sample and 16 students as the main test sample. The data was collected by measurement, and indirect observation. The instruments of this research were pre-test and post-test questions, observation sheets, and questionnaire sheets. The findings of this research showed that the validity of the teaching set was given the score 1,00 by expert; the practicality of the teaching set from the students’ responses was given the score 75,60 and 82,46; the students’ achievement after utilizing the guided inquiry based teaching set showed that 81,25% fulfill the criteria of completeness. For that reason, the guided inquiry based teaching set developed in this research is suitable to be used in the teaching and learning process. Keywords: Guided inquiry, chromatography, the development of a teaching set
PENGARUH PEMBELAJARAN KOOPERATIF TIPE TGT DAN GAYA BELAJAR MODEL VARK TERHADAP HASIL BELAJAR KIMIA SEKOLAH PADA MAHASISWA PROGRAM STUDI PENDIDIKAN KIMIA Kurniati, Tuti; Kurniawan, Rizmahardian Ashari
Jurnal Pendidikan Matematika dan IPA Vol 8, No 2 (2017): Juli 2017
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (78.079 KB) | DOI: 10.26418/jpmipa.v8i2.21174

Abstract

This research aims to investigate the effects of Teams Games Tournament (TGT) cooperative technique and VARK learning style student for learning School of Chemistry. This research using quasy experiment with 2 independent variables, TGT cooperative technique and VARK learning style, and 1 dependent variable, learning outcome. The subjects are students of Education of Chemistry in Muhammadiyah University. The instruments were test, documentation, and questioner. The hypothesis test is 0,00 so it achieved a significant learning outcome in experimental group class. The result of effect size show 1,415, categorized in the high category and give the significant learning outcome.Keywords: School of Chemistry, Learning Style, Teams Games Tournament (TGT)
MENINGKATKAN HASIL BELAJAR SISWA MENGGUNAKAN MODEL PEMBELAJARAN KOOPERATIF TIPE STUDENT TEAM ACHIEVEMENT DIVISION (STAD) Nurhazannah, Yunie
Jurnal Pendidikan Matematika dan IPA Vol 8, No 2 (2017): Juli 2017
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (111.05 KB) | DOI: 10.26418/jpmipa.v8i2.21176

Abstract

This study aims to determine the improvement of student learning outcomes in the system of linear equations of two variables using Student Team Achievement Division (STAD) type cooperative learning model in class VIII E SMPN 21 Pontianak academic year 2016/2017. Data collection was obtained by direct observation and test. Subjects are students of class VIII SMPN 21 Pontianak with 38 students of students consisting of 16 male students and 22 female students. This classroom action research consists of two cycles. Each cycle stage consists of planning, implementation, observation and reflection. The results of data analysis that replicate the first half of the academic year 2015/2016 shows that students who learn completeness of students has just reached 10.58%. His performance is low. The instruments used in this classroom action research are: (1) Student Activity Observation Sheet; (2) Observation Sheet of teacher teachers in learning activities; (3) Written test (Test Cycle I and Cycle II). Results of learning data from the first cycle to cycle II obtained more than 75% of students who graduated. This study revealed that the use of cooperative learning model STAD can improve student learning outcomes on linear equations system in two variables E class VIII SMP Negeri 21 Pontianak.Keywords: learning outcomes, Student Team Achievement Division (STAD), Systems of Linear Equations in Two Variables (SPLDV)
OPTIMALISASI DISKUSI KELAS MELALUI PEER ASSESSMENT DAN SELF ASSESSMENT UNTUK MENILAI KEMAMPUAN KOMUNIKASI LISAN MAHASISWA CALON GURU BIOLOGI Juhanda, Aa
Jurnal Pendidikan Matematika dan IPA Vol 8, No 2 (2017): Juli 2017
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (165.707 KB) | DOI: 10.26418/jpmipa.v8i2.21170

Abstract

This descriptive study aimed to obtain oral communication skills prospective biology teachers through peer and self assessment in class discussions. Subjects were 26 students of Biology Education Department 6th semester 2015/2016 academic year  who contracted the courses of anatomy and physiology of the human body. The instrument used consisted of sheets of peer and self-assessment, as well as the student questionnaire. The result of research showed that the average of peer assessment for oral communication of students is different with the mean of self assessment. The spoken oral communication ability indicators that was revealed include: (1) choosing the most appropriate way to present the explanation of 66% (Good); (2) using tables, drawings, models to present an explanation of 62% (Good); (3) responds to a question from another student in the form of a convincing argument of 64% (Good); (4) interpret the obtained solution by 51% (Enough); (5) responds to a question from another student in the form of a convincing argument of 57% (Enough). Students responded positively to the implementation of peer and self assessment in lectures.Keywords     : Peer Assessment, Self Assessment, Classroom Discussions, Oral Communication
PENGGUNAAN BAHAN AJAR STRUKTUR ALJABAR UNTUK MENINGKATKAN KEMAMPUAN PEMBUKTIAN MATEMATIS PADA MAHASISWA IKIP PGRI PONTIANAK Jamilah, Jamilah; Fadillah, Syarifah
Jurnal Pendidikan Matematika dan IPA Vol 8, No 2 (2017): Juli 2017
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (168.028 KB) | DOI: 10.26418/jpmipa.v8i2.21178

Abstract

This study aims to know the effect of teaching and learning using Algebraic Stucture materials based on mathematical proof to improve mathematical proof ability. The type of this study is experimental method with One Shot Case Study design. Population in this study is students of 6th semester in Departement of Mathematics Education and sample is students in class A and B which are consist of 83 students. The results show that teaching and learning using Algebraic Structure materials based on mathematical proof can improve mathematical proof ability with 16Z0bs=9,74>1,645=Z0,05"> . The total score of mathematical proof ability is 44,34 from 100 or 44,34 % (good). In each aspect, teaching and learning using Algebraic Stucture materials based on mathematical Proof can improve the ability to construct evidence includes the use of methods of proof and the use of fact, the concept and principles of mathematics by 26,99 from 50 or 53,98 % (good) and 17,14 from 50 or 34,70 % (good) in the aspect of the ability to read a proof to determine truth or mistake by seeing the correspondence between the system of axioms, premises, or theorems existing. Keywords : algebraic structure material, mathematical proof ability
PENGEMBANGAN KAMUS BERBASIS SISTEM OPERASI TELEPON PINTAR PADA MATERI BIOLOGI SMA KELAS XI Fadli, Rahman; Sartono, Nurmasari; Suryanda, Ade
Jurnal Pendidikan Matematika dan IPA Vol 8, No 2 (2017): Juli 2017
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (339.274 KB) | DOI: 10.26418/jpmipa.v8i2.21171

Abstract

The aim of this study is to produce dictionary based on smartphone operating system in Biology material class XI in Senior High School. The method of research and development adapted from Borg and Gall model. The results of the assessment needed could be concluded that students supported the dictionary based on smartphone operating system’s development. Subject expert, media, and linguist score were 82,33%; 82,85%; and 80%. The average trial test result to students was 76,70% and to Biology teacher was 82,75%. The conclusion is the biology dictionary has very good interpretation level.Keywords: biology dictionary, smartphone, Biology material class XI

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