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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.
Arjuna Subject : -
Articles 6,280 Documents
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Colonisation Capacity of Vibrio sp. strain Alg 3.1 and Abn 1.2 in the Gastrointestinal Tractof Gnotobiotic Abalone Faturrahman Faturrahman; Iman Rusmana; Anja Meryandini
Jurnal Penelitian Pendidikan IPA Vol. 6 No. 2 (2020): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v6i2.339

Abstract

The use of Vibrio strains as probiotics in Indonesia is very rarely reported. The purpose of this study is to select and develop Vibrio probiotic strains that can increase the rate of abalone growth. The ability of bacterial isolates to colonize the abalone digestive tract is one of the important parameters in the selection of probiotic candidates. The research method consisted of 3 main stages namely modification of Vibrio sp isolates to rifampicin mutants, manufacture of gnotobiotic abalone and colonization capacity test. The treatment given in the colonization capacity test is a type of bacteria that consists of Vibrio sp. line Abn1.2RfR, Alg3.1RfR, combination of Abn1.2RfR + Alg3.1RfR, and control without the addition of Vibrio sp. Each type of bacterial treatment was entered in a 10 liter aquarium capacity containing 10 abalone size ± 3.5 cm. Feed in the form of Gracilaria cake containing Vibrio sp. (final concentration of 107 cfu / mL) was given at the beginning of the study. Abalone is observed for 24, 48 and 72 hours without water replacement. Then count the total number of bacteria and the number of agarolytic bacteria. The results showed that the growth characteristics of wild-type Vibrio with mutant Vibrio were not different.Thus it is expected that the use of the two mutant isolates for in vivo testing has the same effectiveness as the wild type.The capacity of colonization of a single isolate or a combination of rifampicin mutant Vibrio continues to decrease with increasing time of observation. Nevertheless, the percentage of mixed isolates remained higher than that of single isolates during the observation time
PENGARUH MODEL PEMBELAJARAN KOOPERATIF NHT DAN STAD TERHADAP HASIL BELAJAR PENGETAHUAN BIOLOGI SISWA SMA NEGERI 2 GERUNG I. G. M. R. Aryana; Agil Al Idrus; Ahmad Harjono
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 2 (2016): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i2.41

Abstract

This study aims to determine differences of knowledge biology student learning outcomes between groups of students who receive NHT cooperative learning model and STAD cooperative learning model treatment for digestive system. This research was conducted at SMAN 2 Gerung in class of XI. This study is a quasi-experimental research using modified of Type Between Group Design with Pre-posttest design. The number of population was 44 students that using simple random sampling in order to obtain two classes of experiments. Data were analyzed using inferential statistical analysis and hypothesis was tested using t-test analysis with SPSS version 20 for Windows. The results showed: First, there was no significant difference about knowledge learning outcome between the group the of students using NHT cooperative learning model and group of students using STAD cooperative learning model in the substance of Food, Food Healthy Menu, Structure and Function of Cells Network of Human Digestive System, Network Structure System of Ruminant Digestion, and Digestive Disorders Bioprocess Systems that gained tcount ≤ ttable (p> 0.05). Second, a group of students using STAD cooperative learning model has an average value of knowledge learning outcome that is significantly higher than the group of students that use NHT cooperative learning model for Body Mass Index (BMI) and Basal Metallic Rate (BMR) that gained value ttable < tcount (p ≤ 0.05).Keyword: NHT cooperative learning model, STAD cooperative learning model, student’s knowledge learning outcome of biology
Ethnoscience-Based Student Worksheet Development to Improve Senior High School Student Creativity Dika Tri Andani; Abdul Gani; Andi Ulfa Tenri Pada; Hafnati Rahmatan
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 1 (2021): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i1.457

Abstract

Teaching materials that link the material with the surrounding life to foster an entrepreneurial spirit and creative thinking. One proof of its relevance is using plants as natural developers in making pancakes. The purpose of this study was to develop ethnoscience-based worksheets to determine the feasibility and creativity of students. The method used in this research is development research (R&D) using the ADDIE model. The population for this study was students of class XII IA Senior High School 2 Unggul Ali Hasjmy. The sample was selected purposively, namely 28 students. Data were collected using validation tests and creativity observation sheets. The results showed that the development of worksheets was very feasible to use with the percentage of 85.20 given by the validator. Validation of the creativity observation sheet states that 25 of the 26 items are feasible to use. Student creativity also increased with a percentage of the high category 89.00. Ethnoscience-based worksheets to increase student creativity are feasible to be used as teaching material.
PENGARUH MODEL PEMBELAJARAN LEARNING CYCLE 7E TERHADAP HASIL BELAJAR KIMIA DITINJAU DARI KEMAMPUAN BERPIKIR KRITIS SISWA Patmah -; Agus Abhi Purwoko; Muntari -
Jurnal Penelitian Pendidikan IPA Vol. 3 No. 2 (2017): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v3i2.94

Abstract

This study aimed to: (1) determine the effect of Learning Cycle 7E model and conventional model towards student’s learning outcomes of Chemistry, (2) determine the effect of the critical thinking skills towards student’s learning outcomes of Chemistry, and (3 ) determine the interaction between the learning model (learning Cycle 7E-Conventional) with the critical thinking skills (High - Low) towards student’s learning outcomes of Chemistry. This research is a Quasi Experiment with the 2 x 2 factorial design and variables in this research consists of independent variables, moderator variables and the dependent variable. Learning Cycle Model 7E and conventional learning models used as independent variables, critical thinking skills students used as the moderator variable, and the learning outcomes used as the dependent variable. Analysis of the research’s results using by Two Way ANACOVA at the level 5% of significance. According to the results of analysis, it was concluded that the critical thinking skills significantly influence on chemistry student learning outcomes, where the average of high group of critical thinking skills, significantly higher than lower group.Keywords: Learning cycle 7E model, critical thinking skills, chemistry learning outcomes
PENGARUH MODEL PEMBELAJARAN INKUIRI TERBIMBING TERHADAP HASIL BELAJAR FISIKA PESERTA DIDIK Lia Nurmayani; Aris Doyan; Ni Nyoman Sri Putu verawati
Jurnal Penelitian Pendidikan IPA Vol. 4 No. 2 (2018): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v4i2.113

Abstract

Abstrak - Tujuan penelitian ini adalah untuk mengetahui pengaruh model pembelajaran inkuiri terbimbing terhadap hasil belajar fisika peserta didik. Jenis penelitian ini adalah quasi experiment dengan desain penelitian kelompok non-ekuivalen. Pengambilan sampel menggunakan teknik purposive sampling, sehingga diperoleh kelas XI MIA 1 sebagai kelas eksperimen dan kelas XI MIA 2 sebagai kelas kontrol di SMAN 6 Mataram. Instrumen penelitian berupa tes pilihan ganda sebanyak 30 soal yang telah diuji validitas, reliabilitas, taraf kesukaran, dan daya beda soal. Data hasil belajar kedua kelas tersebut terdistribusi normal dan homogen. Data dianalisis dengan uji Manova. Hasil analisis data menghasilkan signifikansi . Jika ditentukan taraf signifikansi sebesar 0,05 maka 0,016<0,05. Berdasarkan fakta tersebut dapat disimpulkan bahwa ada pengaruh model pembelajaran inkuiri terbimbing terhadap hasil belajar fisika peserta didik.Kata kunci: model pembelajaran inkuiri terbimbing, hasil belajar.Abstract - The purpose of this study is determine the effect of guided inquiry learning model toward physics learning outcomes of students. This type of research is quasi experiment with non-equivalent group design. Sampling using purposive sampling technique, so that obtained class XI MIA 1 as experiment class and class XI MIA 2 as control class. The research instrument is a multiple choice test of 30 questions that have been tested for validity, reliability, level of difficulty, and different power of problems. The learning data of the two classes is normally distributed. Based on the homogeneity data obtained both homogenous. Data were analyzed by Manova test. Result of data analysis show significance  0,016. If  determined the level of significance 0,05 then 0,016<0,05. Based on these facts it can be concluded that there is influence of guided inquiry learning model toward physics learning outcome of students. Keywords: guided inquiry learning model, learning outcomes.
RELATIONSHIP BETWEEN THE CLAY COMPOSITION AND THE SOIL SOURCE IN WEST SUMATERA Aidhia Rahmi; Helendra Helendra
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 1 (2019): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i1.152

Abstract

Clay mineral is widely used in ceramic materials, building materials, paper coating materials, catalyst support, and an alternative material for zeolite. This paper reports the study on the relationship between the position of soil (low and highland) and its mineral composition in Bukit Tinggi, West Sumatera, Indonesia. It was found that the lowland area indicates the existence of dominant kaolinite and mikasaite. Meanwhile the highland is characterized with dominant illite and kaolinite.Illite is the main component for ceramic. This due to the alkaline condition and high content of Al and K as well as high hydrothermal activity at high land presumably by volcanic activity.Keywords: clay mineral, XRD, XRF, kaolinite, illite-smectite
Scientific Literacy-Based Chemical Teaching Materials Design of Chemical Solution Materials on Sea Pollution Context Nurul Asikin; Inelda Yulita
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.249

Abstract

Abstract: The science teaching materials needed today are teaching materials that can make students literate in science. One way is to develop teaching materials based on scientific literacy. To produce good teaching materials, certain designs are needed to achieve learning goals and can improve students' scientific literacy. Students who have studied chemistry should be able to analyze natural phenomena in scientific chemistry, one of which is marine pollution. This research was conducted to design high school chemistry teaching materials in connecting the context of sea pollution with chemical solution material. The method of this research is descriptive qualitative which refers to the Model of Educational Reconstruction (MER). The instruments used were standard competencevalidation sheets, text analysis sheets, and teaching material validation sheets. The results showed: a) The results of the indicator standard competencevalidation and learning objectives cognitive and attitude aspects, the results of text analysis and the results of the validation of teaching materials, all obtained valid categories, with the average value of each CVI was 0.91; 0.93; 0.94; and 0.95, b) The design of teaching materials include the contact stage, the curriculum stage, the elaboration stage, the decision-making stage, and the Nexus stage. Keywords:Design of teaching materials; scientific literacy; sea pollution; chemical solution
PEMBELAJARAN FISIKA BERBASIS INKUIRI TERBIMBING DENGAN MENGGUNAKAN LKS UNTUK MENINGKATKAN KETERAMPILAN BERPIKIR KRITIS DITINJAU DARI SIKAP ILMIAH SISWA MADRASAH ALIYAH QAMARUL HUDA BAGU LOMBOK TENGAH Yuyu Sudarmini; Kosim -; Aos Santosa Hadiwijaya
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 1 (2015): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i1.4

Abstract

This research aimed at 1). Developing learning design of guided inquiry based physics learning using  student worksheet. 2). Knowing the difference  of improvement  of the  critical thinking between students those who learned  using guided inquiry based physics learning and those who learned physics conventionally. 3). Knowing the difference of improvement  of the  critical thinking between students with a highly scientific attitude and those with a low one. 4) Knowing the interaction between learning physics   and scientific attitude toward the improvement of students’ critical thinking skill. The research was conducted through two steps, namely:  1) Development research using Dick’s and Carey’s development model, 2) Experimental research using 2x2 factorial design.  The population of this research was the students of MA Qamarul Huda Bagu, central Lombok, year  eleven.  The sample of the research consisted of 2 classes taken by simple random sampling technique.  Data collection using questioner to know the students’ scientific  attitude, and test to know the students’ critical thinking skill score.  Hypothetical test for experimental research used  two path ANAVA  by using SPSS. The  result of development research was yielded a good learning equipment of the guided inquiry based physics learning using student worksheet. The experimental research showed that: 1) There was difference of improvement of critical thinking skill between the students who got a guided inquiry  physics learning using student worksheet  and those who got conventional learning.  This was shown by value of Ftest=42,480, was higher than that of Ftable=4,11, and the value of sig=000 was lower than 0,05; 2) There was difference of improvement of   critical thinking  skill between the students with a high scientific attitude and those with a low one. This was shown by value of Ftest=13,150, was higher than that of Ftable=4,11, and the value of sig=0,001 was lower than 0,05; 3). There was no interaction between the physics learning (guided inquiry based  using  student worksheet and that of conventionally) and scientific attitude towards the improvement of critical thinking skill. This was shown by value of Ftest=1,277  was lower than that of Ftable=4,11 and value of sig=0,265 was higher than 0,05. It was expected that the guided inquiry based physics learning using student worksheet was combined with other learning models to enhance critical thinking skill more optimal mainly for the abstract materials of physics.Key word: guided inquiry, student worksheet, scientific attitude, critical thinking skill,
Pengaruh Jenis Mulsa dan Dosis Bokashi Terhadap Pertumbuhan Cabai Rawit (Capsicum frutescens L.) Ahmad Raksun; Mahrus Mahrus; I Gde Mertha
Jurnal Penelitian Pendidikan IPA Vol. 6 No. 1 (2020): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v6i1.332

Abstract

This research is about the effect of mulch type and bokashi dose on the growth of chili. This study aims to determine: (1) the effect of mulch type on the growth of chili, (2) the effect of bokashi dose on the growth of chili, (3) the effect of the interaction of mulch type and bokashi dose on the growth of chili. This research used factorial design consisting of 2 factors. The first factor is the type of mulch which consists of 3 types of mulch namely black silver plastic mulch, rice straw mulch and dry leaf mulch. The second factor is the dose of bokashi which consists of 6 levels, namely: Po = without giving bokashi (control), P1 = giving 0.4 kg bokashi, P2 = giving 0.8 kg bokashi, P3 = giving 1.2 kg of bokashi, P4 = giving 1.6 kg of bokashi and P5 = giving 2.0 kg of bokashi. Growth parameters measured were stem height, leaf blade length, leaf blade width and wet weight of chili stems. Data analysis was performed by analysis of variance. The results showed that: (1) mulch type significantly affected stem height, stem wet weight, leaf blade length and leaf blade width, silver black plastic mulch gave better results than other mulches, (2) The dose of organic fertilizer significantly affected height stem, stem wet weight and leaf blade length but not significantly affect leaf blade width, (3) interaction of mulch type and bokashi dose did not significantly affect stem height, stem weight, stem length, leaf blade length and leaf blade width
PENINGKATAN KETERAMPILAN BERPIKIR KRITIS MELALUI MODEL PEMBELAJARAN DISCOVERY LEARNING Devi Qurniati; Yayuk Andayani; Muntari -
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 2 (2015): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i2.20

Abstract

The importance of critical thinking skills for students in the study of chemistry, it is necessary to appropriate learning models that can involve students directly in making students active learning and improve students' critical thinking skills. One model that can be applied is discovery learning model learning. The purpose of this study was to determine the increase in critical thinking skills of students learning through discovery learning. This study was an experimental study design with nonequivalent pretest-Posttes Control Group Design. The subjects of the study involves two classes of experimental class and control class. Data collection instruments in the form of test critical thinking skills in the form of matter description. Statistical testing using independent sample t-test were previously tested for normality, homogeneity test at the 0.05 significance level. The results showed no difference in the increase in critical thinking skills in each of the indicators of critical thinking skills.Keywords: Discovery learning, critical thinking skills

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