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Jurnal Penelitian Pendidikan IPA (JPPIPA)
Published by Universitas Mataram
ISSN : 24602582     EISSN : 2407795X     DOI : -
Core Subject : Science, Education, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Materials Science & Nanotechnology Physics
Science Educational Research Journal is international open access, published by Science Master Program of Science Education Graduate Program University of Mataram, contains scientific articles both in the form of research results and literature review that includes science, technology and teaching in the field of science. The Science Educational Research Journal is published twice in a year in January and July editions. The editors receive writing in Indonesian or English, either from the university or from outside the university.
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Articles 12 Documents
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Search results for , issue "Vol. 2 No. 1 (2016): January" : 12 Documents clear
INDUKSI KALUS TANAMAN KRISAN (Chrysanthemum morifolium) DENGAN PEMBERIAN BENZIL AMINO PURIN (BAP) DAN DICHLOROFENOKSI ACETIL ACID (2,4 D) Maspan Hariyati; Imam Bachtiar; Prapti Sedijani
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 1 (2016): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i1.37

Abstract

Production of chrysant flowers (Chrysanthemum morifolium) is halted due to seedling supplay, that it is necessary to produce seedling on tissue culture. This study aims to determine the effect of BAP and 2.4 D for callus formation of chrysanthemum. The research using completely randomized design (CRD). The treatment was consistsed of two factors. BAP (0,0 mg/l, 1,0 mg/l, 1.5 mg/l and 2,0 mg/l) and concentration of 2,4 D (0,0 mg/l, 2,0 mg/l, 3,0 mg/l, 4,0 mg/l). Dependent variables measured were days of callus occurrence, callus colour and texture of callus. Result showed that growth regulators BAP and 2.4 D influenced the timing of the callus formation. Most rapid callus formation appeared at concentration of 2,0 mg/ l 2,4 D and longest callus formation appeared at concentrations of 0,0 mg/l 2,4 D. Callus did not appear on treatment of 0,0 mg/l BAP. The combination of BAP and 2.4 D did not influence on colour and texture of callus. Highest callus score was obtained in the treatment combination of D0B1, D0B0,5 and D0B2. The lowest callus score obtained in the treatment D4B0.Keyword: BAP, 2,4 D, Chrysanthemum morifolium, explants, Callus.
EFEKTIFITAS BEBERAPA TANAMAN HIAS DALAM MENYERAP TIMBAL (Pb) DI UDARA Baiq Mirawati; Muhlis -; Prapti Sedijani
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 1 (2016): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i1.32

Abstract

The objective of this reasearch was to determine the ornamental plants Lidah mertua (Sanseviera trifasciata.sp), Puring (Codiaeum variegatum), Palem Kuning (Chrysalidocarpus lutecsens) ability to absorb lead (Pb) concentration. This research is descriftive explorative research design with completely randomized design with 9 times treatments and 3 repetitions. The independent variables were lidah mertua (Sanseviera trifasciata.sp) Puring (Codiaeum variegatum), Palem Kuning (Chrysalidocarpus lutecsens), and the subjec variable is measurement of lead (Pb) concentration in the leaves. Data analysis techniques using qualitative and quantitative analysis. Quantitative data was obtained by calculating the lead (Pb) concentration in ornamental plants such as: Lidah mertua (Sanseviera trifasciata.sp) Puring (Codiaeum variegatum), Palem Kuning (Chrysalidocarpus lutecsens) by using AAS (Atomic Absorption Spectrophotometer) test.  Based on reasearch finding, there several finding of oranamental plants ability in absorb lead (Pb): lidah mertua (Sanseviera trifasciata.sp ): 0,06 ppm; 0,1 ppm; 0,15 ppm, puring (Codiaeum variegatum):  0,04 ppm; 0,09 ppm; 0,2 ppm and palem kuning (Chrysalidocarpus lutecsens): 0,02 ppm; 0,04 ppm; 0,11 ppm. Statistical test states that the type of plant and the traffic density does not affect the ability of plants to absorb lead (Pb).Keywords: Lead (Pb), lidah mertua (Sanseviera trifasciata.sp), Puring (Codiaeum variegatum), Palem Kuning (Chrysalidocarpus lutecsens).
PENGARUH MODEL PEMBELAJARAN KOOPERATIF TERHADAP HASIL BELAJAR KOGNITIF DITINJAU DARI KEMAMPUAN AKADEMIK MAHASISWA Fahruddin -; A. Wahab Jufri; Jamaluddin -
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 1 (2016): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i1.27

Abstract

This research aims to determine the effect of cooperative learning on cognitive learning outcomes in terms of students' academic abilities. This study was aquasi-experimental research design with non-equivalent pretest-posttest control group design with 2x4 factorial design. The study population was a student of biology education STKIP Bima semester IV, total of 8 classes with a number of 336 students. Samples were obtained through a simple random sampling technique, of which there are 8 classes taken 4 classes as the sample with 168 students.The research instrument is a cognitive achievement test. The data were analyze dusing statistical techniques Anacova two paths. The results showed that 1) There is influence of cooperative learning model type STAD, Jigsaw II, and the TGT to the cognitive achievement of students (p <0.05), 2) There is influence of academic ability on the cognitive achievement of students (p <0.05) , 3) There is no influence to interaction effect between cooperative learning model type STAD, Jigsaw II, and TGT with academic ability of the student cognitive learning outcomes (p> 0.05), 4) Different test results show that the cooperative learning model TGT significant differences in their effects oncognitive learning outcomes, compared with Jigsaw II, and STAD (coefficient positively and sig. <0,05).
SKRINING FITOKIMIA DARI EKSTRAK BUAH BUNCIS (Phaseolus vulgaris L) DALAM SEDIAAN SERBUK Rizki Nugrahani; Yayuk Andayani; Aliefman Hakim
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 1 (2016): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i1.38

Abstract

research on the phytochemical screening of extracts of fruit powder beans (Phaseolus vulgaris L). The aims study was determine the content of chemical compound in extract beans that had undergone a process of heating at high temperature and has been stored in a specified time. Classified of chemical compounds would be included flavonoids, alkaloids, phenols, saponins, tannins, steroids and triterpenoids. Results of phytochemical screening showed bean extract contains the chemical compound class of flavonoids, alkaloids, phenols, saponins, steroids and triterpenoids. Keyword: Phytochemic al screening, bean fruit extracts 
PENGARUH MODEL PEMBELAJARAN BERBASIS MASALAH (PBM) DALAM SETTING PEMBELAJARAN KOOPERATIF TIPE TGT DAN GI TERHADAP KETERAMPILAN BERPIKIR KRITIS DAN HASIL BELAJAR KIMIA PESERTA DIDIK SMAN 1 AIKMEL Baiq Ismayawati; Agus Abhi Purwoko; Muntari -
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 1 (2016): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i1.33

Abstract

This study aims to describe the differences in critical thinking skills and chemistry learning achievement between learners who follow the model of problem-based learning (PBL) in cooperative learning settings TGT and GI at the rate of material reaction. The research is a quasi-experimental research design with pretest-posttest non equivalent control group designe with sample XI IPA 1 and XI IPA 2 are determined by random selection technique based on similarity mean value of daily tests I. Experiential learning and learner response is estimated to affect more significant learning achievement in the classroom PBM setting GI as evidenced by the average N-Gain learning outcomes in the classroom PBM setting GI of 0.43 and the average N-Gain learning achievement in the classroom PBM setting TGT of 0.32. The differences are also evidenced by the results of the hypothesis test showed a significance value of 0.002 (p <0.05). While based on the calculation of the average critical thinking skills in mind that PBM setting TGT has a more significant effect than the PBM GI settings as evidenced by the difference in the value of critical thinking skills after learning process (posttest) and prior to the learning process (pretest) on PBM classroom setting TGT and PBM GI settings are respectively 19.93 and 14.42. While the test is based on differences in critical thinking skills, it is known that there are differences between classes of critical thinking skills PBM settings TGT and PBM settings GI as evidenced by the significant value of 0.018 (p <0.05).Keywords: PBM setting TGT, PBM setting GI, critical thinking skills, learning achievement of chemistry.
SINTESIS BARIUM M-HEXAFERRITTE (BaFe12-xNixO19) DOPING LOGAM NIKEL DENGAN METODE KOPRESIPITASI Munib -; Susilawati -; Lalu Rudyat Telly Savalas
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 1 (2016): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i1.28

Abstract

Synthesis of Barium M-Hexaferrite (BaFe12-xNixO19) nickel metal doping have been done with co-precipitation method and its effect on temperature changes and substitution dopants. Basic materials used in the synthesis of BaCO3, FeCl3.6H2O, HCl, NH4OH and nickel metal. The process of synthesis of barium M-heksaferit conducted at the Faculty of Mathematics and Natural Sciences Analytical Laboratories Unram. This study used a variation of calcination temperature of 80, 400, 600 and 800°C for 4 hours with a variety of dopants 0; 0.4; 0.7 and 0.9. Synthesis results show that changes in the concentration of the dopant variables and calcination temperature indicate a tendency to change color to brown-black powder.Abstract: Barium Mhexaferrite, dopant, nickel, co-precipitation.
IMPLEMENTASI MODEL PEMBELAJARAN ADVANCE ORGANIZER MENGGUNAKAN ANIMASI DITINJAU DARI MINAT BELAJAR TERHADAP HASIL BELAJAR KOGNITIF SISWA KELAS VII PADA PELAJARAN IPA DI SMPN 1 BATUKLIANG TAHUN AJARAN 2014/2015 Erlin Maryani; Muchlis -; Jamaluddin -
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 1 (2016): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i1.34

Abstract

This research was conclude in three main goals. Firstly, the effect of advance organizer implementation using animation on students natural science subject achievement VII Grade Students at SMP. Secondly, the effect of interest of students on learning on the advance organizer implementation using animation on students natural science subject achievement VII Grade Students at SMP. Lastly, the effect of combination between advance organizer implementation using animation and interest on students natural science subject achievement VII Grade Students at SMP. This research was a 2x2 factorial designs. The result of statistical analyzed using anava two ways showed at 5% level significant there were significant influence of advance organizer implementatoin using animation on students natural science subject achievement VII Grade Students at SMP (F count 396,6 > F table 6,81), interest of students on learning on the advance organizer implementation using animation on students natural science subject achievement VII Grade Students at SMP (F count 138,4 > F table 6,81), and the combination of between advance organizer implementation using animation and interest on students natural science subject achievement VII Grade Students at SMP (F count 61,95 > F table 6,81). This research was conclude that advance organizer implementation using animation, interest of students on learning on the advance organizer implementation using animation on students natural science subject, and combination of between advance organizer implementation using animation and interest on students natural science subject can highly influence of natural science learning achievements VII Grade Students at SMPN 1 Batukliang.Keyword: organizer, animation, interest, learning achievements.
SINTESIS SERBUK BARIUM HEKSAFERIT YANG DITAMBAH DENGAN LOGAM Mn SEBAGAI MATERIAL ANTI RADAR Khalilurrahman -; Susilawati -; Kosim -
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 1 (2016): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i1.36

Abstract

Barium Heksaferit (BaFe12-xMnxO19) powder synthesis was added with Mn metal using coprecipitation method. The purpose of adding these metals to see the effect of adding Mn metal and calcination temperature of the powder color change Barium Heksaferit. The value of x in the addition of Mn metal in Barium Heksaferit is x = 0 ; 0.2 ; 0.4 ; 0.6 and calcined for 4 hours at a temperature of 400 , 600 and 800 oC. The addition of Mn metal and calcination temperature rise resulting color more brown powderKeyword: Sintesis, Barium M-heksaferit‚ Mangan (Mn)‚ kopresipitasi
PERBANDINGAN KINERJA ALGORITMA PROMETHEE DAN TOPSIS UNTUK PEMILIHAN GURU TELADAN Bayu Firmanto; Harry Soekotjo; Hadi Suyono
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 1 (2016): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i1.31

Abstract

Department of Education has a mission to improve the quality of education by conducting quality improvement programs in aspects of facilities/infrastructure, curriculum, and the availability of qualified teachers. By conducting an exemplary teacher assessment, which aims to provide incentives to teachers to excel in the field of competence.Based on the he survey taken from City Education Department states that exemplary teacher assessment is currently done manually. Decision Support System is expected to improve performance and simplify the process of selection of candidates. In this study, the data exemplary teacher candidate selection used includes teacher data repot that contains the marks of the orientation of services, integrity, commitment, discipline, cooperation, leadership, performance and behavior. The proposed methods to solve the the exemplary teacher selection are PROMETHEE and TOPSIS methods.Based on the test performed showed that, the precision, recall, and accuracy parameter of the selection of the exemplary teacher candidates, have been produced 91.19%, 54.31% and 88.41% respectively for PROMETHEE method, and have been resulted 90.50% 74.91% and 94.34% respectively, for TOPSIS method. Therefore, the TOPSIS method has a better performance compared with the PROMETHEE method.Keywors: Calon guru teladan, sistem pendukung keputusan, metode PROMETHEEE, dan metode TOPSIS.
PENGARUH MODEL PEMBELAJARAN KOOPERATIF DENGAN PENDEKATAN PROBLEM POSING DITINJAU DARI PENGETAHUAN AWAL TERHADAP PENGUASAAN KONSEP FISIKA SISWA SMK Siti Nurdatul Jannah; Aris Doyan; Ahmad Harjono
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 1 (2016): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i1.29

Abstract

This study aims to determine the effect of cooperative learning through problem posing approach to the mastery of concepts of students in terms of prior knowledge. The method used is a quasi-experimental method with 2x2 factorial study design. The study population was 163 students of class XI SMKN 9 Mataram scattered in 5 classes. These samples included 55 students, divided into two classes by cluster of random sampling technique. The research instrument is a test mastery of concepts and problem solving skills test given at the beginning and end of the study. The data was analyzed by Manova two ways. The results showed that (1) students learn to use cooperative learning model with problem posing approach was significantly different in the aspect of mastery of concepts than students who study with learning cooperative model only, (2) students who have high prior knowledge different significantly in aspects of mastery of concept compared students who have low prior knowledge, (3) there was an interaction effect between learning model with prior knowledge of the mastery of concepts students. Keywors: Cooperative Learning Model, Problem Posing, Prior Knowledge, Concepts Mastery

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