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Jurnal Penelitian Pendidikan IPA (JPPIPA)
Published by Universitas Mataram
ISSN : 24602582     EISSN : 2407795X     DOI : -
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 6,421 Documents
Development of Learning Media to Improve Students' Higher Order Thinking Skills in Circular Motion Material Zulhelmi Zulhelmi; Naila Fauza; Dina Syaflita; Juli Pratiwi; Tommy Tanu Wijaya; Neni Hermita
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.3536

Abstract

The purpose of this research is to develop learning media that can improve students' Higher Order Thinking Skills (HOTS) on the topic "circular motion". Therefore, its design is a research and development (R&D) study with 4D model (Define, Design, Develop, and Disseminate). Experts were involved to validate the products that had been developed, which are teaching props and Student Worksheets (SWS), through a validation questionnaire. The collected data were then analyzed descriptively and qualitatively. The results showed that the total average of all aspects of the assessment was 81.8 which was included in the "very good" category. Based on this result, it can be concluded that the products developed, namely learning media for "circular motion" material, is suitable for use in the learning process to improve students' higher order thinking skills
Mathematics Behind the Heisenberg Uncertainty Principle Dewi Wulandari
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.3545

Abstract

Most physics books do not reveal clearly how the Heisenberg uncertainty principle was derived. This uncertainty comes from the consequence of the wave-particle duality of matter giving statement that position and momentum cannot be measured in the same time. This article tries to reveal mathematics background behind the expression the Heisenberg uncertainty using supported mathematics background such as Fourier transform, Fourier transform integral, the probability of Gaussian distribution and it ends up with the expression of wave function which describe the localized particle giving relation Heisenberg uncertainty principle.
Validity and Practicality of E-Module Model Inquiry Based Online Learning to Improve Student Competence Prima Nora Ananda; Usmeldi Usmeldi
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.3563

Abstract

The advent of the 4.0 revolution has had an impact on the education industry. Postgraduate skills need to be able to manage technology, be connected and digitally resilient. Therefore, there is a need to update and find suitable learning models and media to meet these needs. The purpose of this study was to determine the effectiveness and utility of an inquiry-based e-learning model of e-modules for enhancing student competency. This type of research employs the development of the Plomp model which consists of three stages, namely Preliminary research, Prototyping Phase, Assessment Phase. The research conducted was limited to validity and practicality tests. The instruments used were validity and practicality questionnaires.  The validity become evaluated the use of Aiken's V scale and the practicality was evaluated using Likert scale. Based on data analysis, the results of validity testing by experts on the substance of the material obtained a value of 0.84, visual communication display 0.94, learning design 0.81 and software use 0.78 which is in the valid category. Then the practical results by teachers were 89.71 and by students were 87.28. This suggests that the e-module developed is legitimate and realistic for use in in addition research.
Sintesis Grafena Oksida Tereduksi Menggunakan Reduktor Jus Jeruk Nipis (Citrus aurantifolia) dan Aplikasinya Sebagai Adsorben Malachite Green Said Ali Akbar; Hasby Hasby
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.3598

Abstract

The cytotoxicity of fishes resulting from the presence of various industrial dyes in industrial effluents is a significant global concern. This study aims to synthesize Reduced Graphene Oxide (RGO) using a natural reducing agent from lime juice. The synthesis process uses a modified Hummer method. The Langmuir and Freundlich Isothermal equations are used to study the adsorption character of MG using RGO. The adsorption kinetics was studied using first and second order equations. The adsorption capacity was measured with concentration 2, 10, 50, and 100 mg L-1 of MG respectively. The results obtained are for the adsorption isotherms following Langmuir and Freundlich. ΔG° shows a negative value which means the adsorption process is spontaneous. The adsorption kinetics follows the first order equation. The adsorption capacity obtained was Qm = 223.21 mg g−1 and a contact time of 20 minutes which made it a strong adsorbent for removing MG from water samples. The removal efficiency of MG by prepared adsorbents from real environmental water sample on the Ulee Lheue beach, Alue Naga beach, and the Krueng Aceh river has been implemented. The results obtained confirmed good work in the applicability of adsorbents for environmental
The Influence of the PhET Simulation-Assisted Project-Based Learning Model on Students' Ability to Master the Elasticity Concept Dian Faisal Hadi; Aris Doyan; Jannatin ‘Ardhuha; Ahmad Harjono
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.3626

Abstract

This study aims to determine the effect of the PhET simulation-assisted project-based learning model on students' ability to master the concept of elasticity.  The type of research used in this study was a quasi-experimental design with a pre-test and post-test control group design.  The population in this study were all students of class XI IPA at SMAN 1 Wanasaba East Lombok, totaling 142 students.  The research sample was taken using purposive sampling, so that 31 students were selected in class XI IPA 2 as the experimental class and 31 students in XI IPA 1 as the control class.  The independent variable in this study was the PhET simulation-assisted project-based learning model used in the experimental class, while the ability to master the concept became the control variable.  The instrument used to measure the students' mastery of the concept is a test instrument in the form of a description test on the material elasticity of 6 questions.  The results of the pre-test data analysis showed that the students' initial knowledge was almost the same, but after being given treatment, the average post-test score of the experimental class was 79.22 and that of the control class was 72.64.  The results of the t test using the Independent Sample T test on the post-test showed a significance (2 tailed) less than 0.050, so it can be concluded that the project-based learning model assisted by the PhET simulation has an effect on students' ability to master the concept of elasticity.
Application of The Drill Method to Improving Science Learning Outcomes Sudirman Sudirman; Moh. Irawan Zain
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.3649

Abstract

The purpose of this study is to describe the application of the drill method in teaching science at the same time knowing the goodness drill method on learning outcomes of students. Subjects chosen because statistics by developing the notion among students that this course is difficult to understand at once a few of those who obtain superior value (A). Through the pre-experimental study, one group pretest-posttest design in the sixth semester students of class D PGSD FKIP Unram regular afternoon, with 44 samples of 50 students purposive random sampling. Performed drill application of the method to the class VI/D through the afternoon, integrative stage, fixation and autonomous learning statistics. The mean pretest and posttest results to the 44 students of the samples obtained through three implementation pretest and posttest then compared. The results showed a mean posttest learning outcomes (69.41) is better than the average learning outcomes pretest (53.05). Test results found the normalized gain <g> g = 0.348 (moderate classification). Indicated drill method can improve student learning outcomes statistics, indicated by differences in learning outcomes and pretest posttest at 16.36 and significant in the medium category
Science, Methods in Science, and Contributions of Muslim Scientists to the Development of Science: Analysis of Nidhal Guessoum's Thought Lenny Herlina
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.3661

Abstract

This study aims to find out how information literacy which is part of library science becomes an ability to understand the integration between science and Islam and its implementation in life. This type of research is descriptive with literature review data sources. Meanwhile, this literature review was carried out in four stages consisting of: (a) focusing on the problem to be studied; (b) connecting literature with problems in a balanced way; (c) include clear research statements based on the methodology in the literature; and (d) critically analyze and evaluate the literature reviewed based on the research discussion. Based on the results of a study of religion and science in a book by Nidhal Goesseoum, it shows that Nidhal Guessoum chose at least 4 Muslim scientists to be the main characters, namely Seyyed Hoessin Nasr, Ziauddin Sardar, Abdussalam and al Faruqi, who classify each other as dialectics in chapters 3 and 4 Considering that the philosophy and theoretical foundations as well as the formulas used by science are sourced from the Qur'an and Hadith, it is concluded that science is not contrary to Islam
Antimicrobial Activity Test of Bitter Melon (Momordica charantia L.) Plant Extract Against Staphylococcus epidermidis, Escherichia coli Bacteria and Candida albicans Dewa Ayu Citra Rasmi; Lalu Zulkifli; Nurul Ahadia
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.v9i2.3699

Abstract

Bitter gourd (Momordica charantia L.) contains secondary metabolites of flavonoids, alkaloids, saponins, and steroids that act as antimicrobials. This study aimed to determine the antimicrobial activity of bitter melon (Momordica charantia L.) plant extract in N-hexane and ethanol solvents against Staphylococcus epidermidis, Escherichia coli, and Candida albicans. This research is an experimental laboratory study, namely the antimicrobial activity test of bitter melon plant extract on the growth of test bacteria using the agar diffusion method. The study's experimental design used a Completely Randomized Design with three repetitions at three concentration variations, namely 30%, 45%, and 60%. Then phytochemical screening was carried out to determine the active compounds in the bitter melon plant extract. Data on the inhibitory power of bitter melon plant extract were analyzed qualitatively, and the differences between concentrations were seen using the ANOVA (Analysis of variance) test. The results showed that bitter melon (Momordica charantia L.) plant extract in ethanol solvent showed activity against the growth of Staphylococcus epidermidis, Escherichia coli bacteria with a concentration of 60%, producing a powerful inhibition zone.
Development of STEM-Based Physics Learning Media Materials on Temperature and Heat to Improve Students' Mastery of Concepts Ayu Safitri Melita; Aris Doyan; Muh Makhrus
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.3726

Abstract

The research conducted in this development is aimed at producing STEM-based learning media products in physics subjects, especially in temperature and heat materials to improve students' mastery of concepts that are valid, practical, and effective. The design of this study uses a 4D model in the form of Design, Define, Disseminate, and Development. With STEM-based learning media in the form of a digital calorimeter as a product being developed. Test instruments, validation sheets, and response questionnaires were used as data collection techniques. Evaluation of product validity was carried out by three media experts and material experts and used Aiken-V as a method of analysis. The practicality of the product is analyzed using the practicality test while the effectiveness is obtained by increasing students' mastery of concepts with ¬N-gain. The results of the validator's assessment of the digital calorimeter media showed an average result of Aiken-V of 0.94 which was very valid. The average results for the practicality assessment of the developed media can be seen from the student response questionnaire which shows a value of 4.51 in the fairly practical category. The average result for the effectiveness of the developed media can be seen from the increase in mastery of the concept, which is equal to 0.60 with high criteria. So it can be concluded that STEM-based physics learning media to improve students' mastery of concepts is valid, practical, and effective
Comparison of The Effectiveness Antibacterial Test of Natural Ingredients and Antibiotic in Salmonella typhi Isolated from Hospital Waste and Household Waste Syamsul Bahri; Rizal Umami; Ferniawan Ferniawan; Moammar Qadafi; Sekar Partiwi
Jurnal Penelitian Pendidikan IPA Vol 9 No 4 (2023): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i4.3783

Abstract

Salmonella typhi is a bacterium that causes salmonellosis which is a serious disease in Indonesia and is still endemic. Until now, the treatment and handling of cases of bacterial infection are still using antibiotics. The comparison of antibacterial effectiveness using turmeric extract, a ginger extract which is a natural ingredient with the antibiotics Ampicillin and Ciprofloxacin on Salmonella typhi isolates from hospital waste and household waste has been conducted. The purpose of this research is to compare the antibacterial effectiveness of Curcuma longa (turmeric) extract, Zingiber officinale (Ginger) extract, Ampicillin, and Ciprofloxacin antibiotics in inhibiting the growth of Salmonella typhi which are isolated from hospital waste and those isolated from household waste. This research is experimental research (experimental), using a control group and the research is carried out in a laboratory. The data collection technique was carried out by measuring the inhibition zone. Size of the inhibition zone of hospital isolates after treated by turmeric and ginger extract is smaller than household isolates. This result indicates that excessive usage of antibiotics will be able to increase the resistance or immunity of Salmonella typhi. Substances which are contained in turmeric and ginger extracts have ability to inhibit the growth of Salmonella typhi, with strong category against hospital isolates and very strong category against household isolates. It is concluded that turmeric and ginger extracts are able to    substitute synthetic antibiotics such as Ampicillin.

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