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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 82 Documents
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Search results for , issue "Vol 9 No 2 (2023): February" : 82 Documents clear
Bahasa Inggris Elya Putri Pane; Yenny Risjani; Yunianta Yunianta; Gilang Drajat Maulana
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.2911

Abstract

Indonesia is an archipelagic country with a water area of up to 5.9 million km2, where this water area is a habitat for marine diversity. One such diversity consists of macroalgae and microalgae. Diatoms are a group of microalgae with high diversity. Diatoms are one of a group of microscopic algae that can live in various habitats and are abundant in various ecosystems. Diatoms can be used as bioindicators of aquatic environmental quality. Navicula genus is an isolate that was successfully isolated from the waters of Pari Island, Kepulauan Seribu Regency. The total protein was analyzed by the Lowry-Follin method. The total fat content was determined by the soxhletation method. This genus Navicula contains a total protein content of 30,944 mg/L and a lipid content of 3.17%.
A STEM-BASED LEARNING PROCESS ANALYSIS OF STUDENTS' SCIENCE PROCESS SKILLS Nurrahmah Akbariah; Wiwit Artika; Andi Ulfa Tenri Pada; Safrida Safrida; Abdullah Abdullah
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.2912

Abstract

The STEM-based learning process spurs the creativity of students in knowledge, skills and others. Students' science process skills are very supportive in improving the quality of education to solve problems in everyday life. This study aims to determine the suitability of the learning process by pre-service teachers with the learning planning stages, students' science process skills and the correlation between the learning process and science process skills. This research is quantitative and qualitative through descriptive research. The results showed that the value of the results of observations on the learning process by the pre-service teacher was in the good category. The value of students' science process skills is in the sufficient category. There is a correlation between the STEM-based learning process and students' science process skills, which means that the STEM-based learning process affects students' science process skills even though it is small. The conclusion in this study is that the STEM-based learning process on science process skills has a positive relationship to the quality of student learning
Pemodelan Struktur Permukaan 2D Kota Bengkulu Menggunakan Metode Geomagnet Rama Ramdani; Refrizon Refrizon; Elfi Yuliza; Darmawan Ikhlas Fadli; Muhamad Hasan
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.2914

Abstract

Research on 2D modeling of the subsurface structure of the Bengkulu city area was carried out using the geomagnetic method. In this study, we collected data from 130 measurement points using a set of Proton Procession Magnetometers (PPM) to obtain the total magnetic field value. The measurement data were processed by making corrections of daily variations and IGRF (International Geomagnetic Reference Field). We conducted data correction to contour the total magnetic field anomaly. After that, the contour of total magnetic field anomaly was used for the reduction to the poles. This research results from the total magnetic field anomaly show a pair of positive and negative closures. Cross-sections were made on the positive and negative closure pairs to determine the subsurface structure of the area by making a 2-dimensional (2D) model using Mag2DC software. The interpretation of the 2D modeling results shows that three rock layers are continuously arranged. The average susceptibility value of the first layer is 0.00001 cgs which is a sandstone layer at a depth of 0-400 meters; the second layer has an average susceptibility value of 0.002 cgs which is dominated by clay at a depth of 400-700 meters, and; the third layer has an average susceptibility value of 0.006 cgs which is a basalt rock layer at a depth of 700-1000 meters.
Development of Magnetic Digital Comics in Science Learning to Improve Student Learning Outcomes in Elementary Schools Lanto Mohamad Kamil Amali; Nova Elysia Ntobuo; Ritin Uloli; Yasin Mohamad; Muhammad Yunus
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.2915

Abstract

This study aims to develop digital comics for learning magnetism in learning Science in Elementary Schools. This type of research is development research, which refers to the Four-D. The location of this research is at Kota Tengah 80 Public Elementary School, Bulangu Timur 1 Public Elementary School, and Telaga Biru 1 Public Elementary School. The results of the study show that digital comic magnets developed for science learning in elementary schools: (1) are categorized as valid and feasible; (2) Practically used, this is indicated by the very good response from students with a percentage of 90% in the limited trial class and 93.75% in the extended trial class. The implementation of learning in the limited trial class obtained an average percentage of 90.91%, while in the extended trial class it was 96.15%; (3) Effectiveness, indicated by good student activity with a percentage of 82% in both limited trial classes and extended trial classes, as well as student learning outcomes that are in very good criteria. Based on this, the digital comics magnet that has been developed is stated to be valid, practical and effective, so that it can be used in the science learning process in class V of elementary school
Basic Mechanics of Lagrange and Hamilton as Reference for STEM Students Budiman Nasution; Lulut Alfaris; Ruben Cornelius Siagian
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.2920

Abstract

This paper discusses the use of Lagrangian and Hamiltonian dynamics as alternative approaches for understanding the motion of objects in classical mechanics. These approaches, which are based on different mathematical techniques, can provide a deeper understanding of the principles of classical mechanics and the motion of objects, but may not be covered in high school physics curricula or undergraduate STEM courses. The review paper approach is used to combine information from a variety of sources, and the material is conceptualized to aid reader understanding. These advanced topics may be of interest to advanced high school students who are interested in exploring topics beyond the high school physics curriculum, and can be studied independently by those with a strong foundation in classical mechanics and familiarity with advanced mathematical concepts.
The Effect of Implementing the Android-Based Jire Collaborative Learning Model on Momentum and Impulse Materials to Improve Student Learning Outcomes Nova Elysia Ntobuo; Lanto Mohamad Kamil Amali; Dewi Diana Paramata; Muhammad Yunus
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.2924

Abstract

This study aims to determine the effect of applying the android-based Jire collaborative learning model on momentum and impulse material to improve student learning outcomes. The research method is a quasi-experimental design with a one-group pretest-posttest research design. The research location at SMA Negeri 6 Gorontalo Utara for the 2021/2022 academic year used four research samples, namely class X IPA 1 as the experiment class and class X IPA 2, X IPA 3, and X IPA 4 as the replica class. This research begins with the preparation of learning tools that physics learning experts and learning media experts validate. The results of the validation show that the learning tools are valid and can be used in the learning process. The implementation of the learning process in this study is in the excellent category and can improve student learning outcomes. The N-Gain value for the experimental class and replica class is in the high category. Student responses to using the android-based Jire collaborative learning model show good and excellent categories. This shows that the Jire collaborative learning model can be used to improve student learning outcomes in physics learning
The Effect of the Project-Based Learning Model with the STEAM Approach on Learning Outcomes of High School Students the Subject of Material Elasticity Subiki Subiki; Elika Thania Putri Elika; Firdha Kusuma Ayu Anggraeni
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.2926

Abstract

Applying the right learning model is very much needed in learning physics, because there is still a lot of physics learning that is applied using classical methods, such as lectures and direct instruction, so that it affects student learning outcomes. The material elasticity of materials is not only dominated by theory but also real practice (practicum). This requires a more effective learning model so as to improve student learning outcomes. Learning outcomes are achievements achieved by students academically through exams or tests. Current developments have brought progress in education, one of which is project-based learning (PjBL) and learning that collaborates multi-disciplines, namely science, technology, arts, engineering, and mathematics (STEAM). The purpose of this study was to investigate the impact of using the project based learning model with the STEAM approach on high school student learning outcomes on the subject of material elasticity. The type of research used is true experiment with the Pretest-Posttest Control Group Design. The research subjects were 2 classes at XI MIPA at SMAN 3 Bondowoso. Research data on learning outcomes were obtained from students' pretest and posttest scores. The data obtained was processed using the SPSS 23.0 program. The PjBL model with the STEAM approach stated that there was a significant influence on the learning outcomes of high school students on the subject of material elasticity
Insecticide with the active ingredient methomyl interferes with the growth and survival of the jatiumbulan tilapia strain (Oreochromis niloticus) Nurhalisa Nurhalisa; Diana Arfiati; Sri Andayani; Afella Osa; Vina Nur Nadiro
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.2928

Abstract

Insecticides with the active ingredient methomyl are a class of pesticides used to protect agricultural crops from attack by pests such as insects. The areas that used this insecticide were from the results of previous studies, namely the Musi Rawas Paddy Field Center in South Sumatra and Ngantru District, Tulungagung Regency. However, it is possible that many other areas use it. This study aims to prove that the insecticide with the active ingredient metomyl interferes with the growth and survival of the Jatiumbulan tilapia strain (O. niloticus). The treatment consisted of a control and three exposure concentrations namely 1.8, 4.015 and 6.2 mg/L with 3 repetitions each. Exposure was carried out artificially once in rearing water and observations were made for 4 days (96 hours). In conclusion, the results showed that as the exposure concentration of the insecticide with the active ingredient metomil (Lannate with 25 % methomyl) increased, the stress occurred faster which resulted in decreased growth, survival, time of death, and clinical symptoms. However, the concentration of 6.2 mg/L (treatment C) gave significantly different results in survival parameters compared to the 1.8 and 4.015 mg/L treatment. This is because in treatment C there was stress to death and this condition did not occur in treatment A and B
The Effect of the Two Stay Two Stray Learning Model Based on a Scientific Approach to Student Competence in Biology Learning Rizka Putri Alti; Moralita Chatri; Irdawati Irdawati; Vauzia Vauzia
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.2933

Abstract

This study aims to determine the effect of the two stay two stray learning model based on a scientific approach to the competence of class XI students at SMAN 3 Pariaman. This type of research is a quasi-experimental research with a randomized control-group posttest only design. The research population was all class XI MIPA students at SMAN 3 Pariaman in the 2022/2023 academic year. Sampling used a purposive sampling technique, so that class XI MIPA 1 (experimental class) and class XI MIPA 3 (control class) were selected. Data analysis techniques using normality test, homogeneity test and hypothesis testing. Testing the hypothesis in the domain of knowledge uses the t test while testing the hypothesis in the domain of attitudes and skills using the Mann Whitney test. The results of the study found that the two stay two stray learning model based on a scientific approach had an effect on the competence in the realm of knowledge, attitudes and skills of class XI students at SMAN 3 Pariaman
Phytochemical Characterization and Sensory Evaluation of Vinegar from Melastoma malabathricum L. Flowers with Variations in Starter Concentration and Fermentation Time Safrida Safrida; Fitrah Asma Ulhusna; Gholib Gholib; Maim Matualiah; Raissya Adinda; Yelly Asmita Putri; Nadila Fitria
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.2940

Abstract

Melastoma malabathricum L. or Senggani is a shrub that is easily found in open meadows.  Acehnese people often use senggani as traditional medicine. The purpose of this study was to determine the phytochemical content and sensory evaluation of natural vinegar from Senggani flowers. The research design used a completely randomized design (CRD) which consisted of 5 days and 10 days of Saccharomyces administration. Both groups were added with Acetobacter aceti with concentrations of 5%, 10%, and 15% respectively in each sample. The result showed that phytochemical screening Senggani vinegar contains tannins, flavonoids, saponins, dragendrof, polyphenols, and terpenoids. The results of the organoleptic test show that the average ranking of panelists' preference for taste from the combination of the Senggani flower vinegar fermentation treatment ranges from 5.8-6.04, meaning that the taste of vinegar is slightly sour, while the panelists' preference ranking on acceptability ranges from 4.4-5, which means acceptability of panelists is neutral. The Senggani flower vinegar product with added Saccharomyces for 10 days and the fermentation of Acetobacter aceti with concentrations of 15% is the best formula preferred by the panelists. Senggani flower vinegar has the potential to be used as a health drink

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