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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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Assessment in Science Learning Based on Ethnoscience Hikmawati Hikmawati; I Wayan Suastra; A A Istri Agung Rai Sudiatmika
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 3 (2021): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i3.736

Abstract

This study aims to describe the assessment of ethnoscience-based science learning. The research data were collected through field observations and literature review. The research data were analysed descriptively. The results showed that: 1) there are five learning dimensions associated with ethnoscience-based assessment in science learning; 2) there are six dimensions of science related to ethnoscience-based assessment in science learning; 3) the type of assessment in ethnoscience-based science learning, divided based on the types of tests and non-tests; 4) construction of ethnoscience-based learning outcomes tests can be made from understanding to higher order thinking (HOT); 5) The ethnoscience-based essay test includes story questions about Sasak Sade Village, Bau Nyale Tradition, Sesek Weaving, Gendang Beleq, and Poteng Reket
ANALISIS KEMANDIRIAN BELAJAR DAN HABITS OF MIND SISWA PADA PEMBELAJARAN ASESMEN PORTOFOLIO Rikizaputra Rikizaputra; Lufri Lufri; Andromeda Andromeda; Fatni Mufit
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 2 (2021): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i2.630

Abstract

Everyone is taught to live independently, independence is a pattern of life that is formed from the habits of various human habits. Habit of thinking is one of the causes. The habits of intelligent thinking of each individual are called habits of mind. Independence and habits of mind are the factors needed in the series of learning processes so that the problems faced by students are able to be resolved properly, becoming a problem in schools that students' learning independence is less honed because of the dominance of teachers in teaching. The purpose of this study was to determine the profile of students' learning independence and habits of mind. Conducted in 2020 in class X MIA SMAN 7 Pekanbaru. This research is a descriptive research type with a survey method. The instruments used were in the form of a questionnaire of learning independence and habits of mind with 30 items of positive and negative statements that have been validated on a 5-Likert scale ranging from strongly disagree (SD) to strongly agree (SA) With three questionnaire categories, there are 3, namely high (mean 4.41-5.00), moderate (mean 3.39-4.40), low (mean 1.00-3.38). The research data were processed by using descriptive percentages. The results showed that the independent learning in portfolio assessment learning was 3.60 in the medium category. The mean of students' habits of mind is 3.8 in the medium category
Development of Phet Simulation-Assisted Inquiry Model Learning in Elasticity Materials Yuliana Yuliana; Wahyudi Wahyudi; Aris Doyan; Chester Ian S. Pineda
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 2 (2021): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i2.505

Abstract

This research aims to produce Phet simulation-assisted guided inquiry model learning devices on valid, effective, and practical elasticity materials. This research uses research and development (R&D methods with research models developed are 4D Models consisting of Define, design, development, and disseminate stage. Products from research in the form of syllabus, Learning Implementation Plan, Student Worksheet, and Instrument Learning Results Test. The results showed that 1) the validity results of the six validators using content validity ratio (CVR) and Content Validity Index (CVI) calculations showed a value of 1 (very valid) for all developed products, 2) teacher and learner responses to learning referring to the guided incubation learning model assisted by Phet simulation is very practical, as well as 3) guided incubation learning model-assisted Phet simulation is effectively used in learning. From the results of the study, it can be concluded that the development of learning devices is valid, effective, and practical
Magnetic Signatures on River Sediments and Agricultural Soils as Proxy Indicators of Anthropogenic-derived Pollution (Case Study: Cikijing River, Rancaekek, West Java) Dini Fitriani; Widya Utami; Kartika Hajar Kirana; Eleonora Agustine; Siti Zulaikah
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 3 (2021): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i3.697

Abstract

A number of activities occur around the Cikijing River in Rancaekek area, West Java, such as industrial and domestic activities. The various activities could decrease the quality of the river and surrounding environment due to anthropogenic pollutants that might be produced. Since the Cikijing River is also used as the source of irrigation, paddy fields around the river could be also be affected. The presence of pollutants in river sediments and agricultural soils over a long period could change their magnetic properties. Magnetic susceptibility of Cikijing River sediments and soils of the paddy fields in the surrounding have been examined considering that magnetic properties could represent environmental conditions. The results show that river sediments have magnetic susceptibility (cLF) in range of 356.2-456.3 (×10-8) m3kg-1, whereas soils samples have cLF varying from 94.1 to 347.1 (×10-8) m3kg-1, suggesting domination of ferrimagnetic minerals. The cFD (%) is <4% indicating the anthropogenic origin of magnetic minerals.  Electron microscopy images show the imperfect octahedral and spherules shapes of magnetic grains that supports magnetic susceptibility analysis about the source of magnetic minerals. Elemental composition analysis reveals Fe and O’s content as main elements, including minor elements of Ca, Mg, Al. Si, Ti and Cr
The Use of Tungsten in Potentiometry to Detect Pospat Baffer and Urease Enzyme Victor H Sihombing; Abd Hakim S
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 3 (2021): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i3.699

Abstract

This study aims to characterize phosphate buffer and urease enzymes through the absorbance spectrum of UV-Vis and FTIR using tungsten as the indicator electrode. The method used in this research is the biosensor potentiometric method carried out in the Laboratory of the Faculty of Mathematics and Natural Sciences, State University of Medan and the Beacukai Belawan Medan laboratory. The absorbance characterization of electrolyte solutions in various compositions using UV-Vis showed that phosphate buffer solution 0.001 M pH 7.5+KCl 0.001 M + urea 0.001 M+3 drops urease enzyme had the highest absorbance compared to electrolyte solutions with phosphate buffer and urea content. Likewise, the FTIR results showed the same thing where phosphate buffer solution was 0.001 M pH 7.5 + KCl 0.001 M + urea 0.001 M + 3 drops urease enzyme had the highest% T (transmission) pattern of phosphate buffer solution and urea. The urease enzyme in this study functions as a catalyst. Based on UV-Vis and FTIR characterization, it was concluded that the phosphate buffer solution of 0.001 M pH 7.5+KCl 0.001 M + urea 0.001 M + 3 drops of urease enzyme was the best.
Development of Discovery Learning-based E-modules Using PDF Flip Professional Software Integrated with the Website as An Alternative to Learning Physics During the Covid 19 Pandemic Wayan Sudarsana; Sarwanto Sarwanto; Ahmad Marzuki
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 4 (2021): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i4.786

Abstract

This research aims to determine whether the development of discovery learning–based e-module using the professional PDF flip software integrated with the website can be an alternative in learning physics during the COVID-19 pandemic. This type of research is a preliminary study with qualitative descriptive research methods. The instrument used is a questionnaire with four categories, which is then distributed to teachers and students. The subjects in the study were physics teachers and students at SMA Negeri 3 Palu and SMA Karunadipa Palu. The data analysis used a qualitative description of the answer given by teachers and students. The results of preliminary studies show that: COVID-19 pandemic resulted in a look place online so that teachers needed teaching materials and practical media to be used without face-to-face learning. The research concludes that e-module development-based discovery learning using professional PDF flip software is integrated with the website as an alternative in learning physics during the COVID-19 pandemic.
The Effect of Using the Student Academic Ability- Problem Solving and 5E Cycle Learning Models on the Student Learning Outcomes Yayat Mutia Ardi; Vauzia Vauzia; Abdul Razak; Syamsurizal Syamsurizal
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 4 (2021): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i4.777

Abstract

Education in the 21st century aims to change the learning paradigm from teacher-centered to student-centered in order to improve student learning outcomes. Hence, a learning model is needed to improve the students' ability to solve problems by paying attention to their academic ability. This study aims to determine the effect of using the student academic ability-based problem solving and 5E cycle learning models on the student learning outcomes in addictive materials and addictive substances. This study used an experimental method with a 2x2 factorial design. The population in this study was all students of grade VIII SMPN 18 Padang. This study's sample was chosen using the purposive sampling technique, the data collection techniques for the student learning outcomes used to test techniques at the end of learning. The data analysis was performed by using the prerequisite tests (normality and homogeneity tests) and the hypothesis tests using 2-way ANOVA and continued with Bonferroni advanced test. The results show that:  There is an interaction between the problem-solving model and the academic ability-based 5E Cycle learning model on the student learning outcomes, but there is no significant difference in learning outcomes between the problem-solving model and the 5E learning cycle model. There is an effect on the academic ability towards the student learning outcomes. There is no difference in the student learning outcomes between students with high academic ability in the two sample classes. There is no difference between the students with low academic ability in the two sample classes.
Performance of Asphalt Mixture with Asbuton Based on Marshall Characteristics Compacted at Hot and Cold Temperatures I Dewa Made Alit Karyawan; Ratna Yuniarti; Desi Widianty; Hasyim Hasyim; Mudji Wahyudi
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 4 (2021): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i4.884

Abstract

The use of natural asphalt is an alternative to meet the high demand for oil asphalt. Asbuton is natural asphalt from Buton Island, Indonesia. However, the use of Asbuton is not as easy as oil asphalt because the asphalt it contains is hard. The asphalt-concrete mixture must go through a rejuvenation process for several days before being compacted. This study aims to determine the performance of asphalt-concrete mixture using Asbuton if it is compacted immediately after mixing, without giving time for the rejuvenation process. Compaction is done when the mixture is hot and after the mixture is cold. Compaction of the asphalt-concrete mixture in hot temperature (150ºC), based on mechanical characteristics (stability, flow, and Marshall Quotient), has better performance than that compacted in cold temperature (30ºC). However, compaction in both hot and cold temperatures, based on their volumetric characteristics, does not meet the requirements for use as road pavements. The performance of the asphalt mixture can be improved by giving time in the process of softening the asphalt content in Asbuton
Implementation of Guided Inquiry Strategy Combined with Scientific Student Worksheets on the Structure and Function of Plant Tissues to Improve Learning Outcomes Siti Zuhra; Muhibbuddin Muhibbuddin; Hafnati Rahmatan
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 4 (2021): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i4.766

Abstract

This study aims to determine the application of a guided inquiry strategy combined with scientific student worksheets to improve student learning. The research method used is True experimental using pretest-posttest control group design. The population in this study were students of class XI MIPA MA Negeri 1 Pidie. The number of samples consisted of 132 people, and each class consisted of 33 students. The research instrument used is test questions. The data analysis technique of learning outcomes is through the N-Gain test and the independent sample t-test. The N-gain test of learning outcomes obtained that the average of the experimental class was higher than the control class, where each class was classified as a medium improvement criterion. The independent sample t-test showed a significant average difference between the learning outcomes of the experimental class and the control class, namely tcount > ttable (65.8 > 1.65). The percentage of N-Gain learning outcomes in the experimental class is 77.73% in the high category. This study concludes that there is an increase in student learning outcomes on the material structure and function of plant tissue at MAN 1 Pidie in the experimental class by applying the guided inquiry strategy combined with scientific Student Worksheets
Independence of Learning and Achievement of Learners' Cognitive Abilities in Thermochemical Materials through the Application of Flipped Classroom Ruhul Mukhlisa; Abdul Gani; Sri Winarni; Ibnu Khaldun; Latifah Hanum
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 4 (2021): October
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i4.674

Abstract

The utilization of online media such as learning videos, e-books, e-libraries, and virtual laboratories as a source of independent learning by learners is still very low, as a result of which teachers are still the main source of learning. This shows the low independence of learning learners, even though independence is one-factor affecting learning achievement. The correct learning methods can increase the independence of learning learners, one of which is by applying flipped classrooms. This research aims to find out the effect of the application of flipped classrooms on learning independence and cognitive achievement of learners in thermochemical materials as well as the correlation of learning independence with the achievement of cognitive abilities of learners. This study is an experimental study with the design of two groups at random. The measuring instrument used is a matter of postest and learning independence questionnaire. The research data were analyzed using the SPSS for Windows program. The results found that learning independence and better achievement of cognitive abilities were shown in the group that applied the class upside down. There was a significant positive relationship between the achievement of cognitive ability and the independence of learning in both groups, both in classes that applied classes in reverse and in classes that did not apply inverse classes.

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