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PENDIPA Journal of Science Education
Published by Universitas Bengkulu
ISSN : 20869363     EISSN : 26229307     DOI : -
Core Subject : Science, Education,
Chemistry Education Mathematics
PENDIPA Journal of Science Education is a peer-reviewed, open-access journal covered all aspect of science and science education. PENDIPA journal welcomes the submission of scientific articles related to mathematics, physics, chemistry, biology, and its educational implementation in a school, higher education and other educational institution. We encourage scientist, lecturer, teacher and student to submit their original paper to the journal. PENDIPA journal is published by Graduate School of Science Education - University of Bengkulu, three times a year on February, June and October
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Articles 37 Documents
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Search results for , issue "Vol 8 No 2 (2024): June" : 37 Documents clear
Problem Based Learning: Melatihkan Keterampilan Pemecahan Masalah untuk Meningkatkan Hasil Belajar Peserta Didik pada Materi IPA: Problem Based Learning: Melatihkan Keterampilan Pemecahan Masalah untuk Meningkatkan Hasil Belajar Peserta Didik pada Materi IPA kelas IX Oktavia, Rela Setyawati; Harir, Ahmad Habib; Rosdiana, Laily
PendIPA Journal of Science Education Vol 8 No 2 (2024): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.8.2.171-175

Abstract

This research aimed to enhance problem-solving abilities and improve student learning outcomes. Problem-based learning (PBL) was employed as the instructional model to develop students' problem-solving skills. The study adopted a classroom action research approach spanning two learning cycles, encompassing stages of planning, implementation, observation, and reflection. The research involved 39 students from class IX E at SMPN 56 Surabaya. Data collection methods include observation, interviews, and written tests. The collected data was processed and analyzed descriptively to illustrate improvements in learning outcomes. The analysis reveals that the implementation of the problem-based learning model resulted in significant enhancements in student learning outcomes across the pre-cycle stage, Cycle I, and Cycle II, categorized as quite good. Notably, there was a 42.07% increase in student learning outcomes from the pre-cycle stage to Cycle I. Moreover, from Cycle I to Cycle II, there was a further increase of 24.37% in student learning outcomes.
Spatial Analysis Of Development Yogyakarta City 1925-2020 In Disaster Risk Perspective Astuti, Nurul Indri; Sutisna, Sobar; Subiyanto, Adi; Widodo, Pujo; Wilopo, Wilopo
PendIPA Journal of Science Education Vol 8 No 2 (2024): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.8.2.176-183

Abstract

A city will experience development over time because of growth population, economic, social, and culture activities, also interaction between cities. Yogyakarta also has undergone changes and developments that can be seen from road network, settlements, and green open spaces. This research aimed to study changes of Yogyakarta city from 1925-2020 based on road network, settlements, and green open spaces. Study used Yogyakarta’s old map from 1925, 1933, and 1946, map of Indonesia’s topography 2000, and RTRW 2020 maps. Analysis was done using overlay technique that result in changes from road network, settlements, and green open spaces also spatial structure that occurred during that period with GIS software. The result showed that Yogyakarta development was influence by the distribution of road network and existence of community activities centers. Spatial structure of Yogyakarta has not shown significant changes, it is still in the form of monocentric city with multi-nodal category. The development of this city shows that Yogyakarta already has a disaster-safe city planning.
Carbon Capture Storage dan Carbon Capture Utilization Storage (CCS/CCUS) sebagai Solusi Transisi Energi Fosil di Indonesia : CARBON CAPTURE STORAGE AND CARBON CAPTURE UTILIZATION AND STORAGE (CCS/CCUS) AS INDONESIA’S ENERGY TRANSITION Putri, Arananda Dwi; Sasongko, Nugroho Adi; Yoesgiantoro, Donny
PendIPA Journal of Science Education Vol 8 No 2 (2024): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.8.2.191-203

Abstract

This study delves into Indonesia's pursuit of zero-emission clean energy by 2060, focusing on advanced light particle tracking technology and the transition to Clean Coal Technology (CCT) such as Carbon Capture Storage (CCS). Using a qualitative research approach with data from diverse sources, it discusses Indonesia's goals for reducing greenhouse gas emissions by 2030 per the National Determined Contribution (NDC) plan. Emphasizing strategies like Enhanced Oil Recovery (EOR), Enhanced Gas Recovery (EGR), and Carbon Capture Utilization and Storage (CCUS), the study highlights their role in emission reduction. It also analyzes global and Indonesian advancements in CCS/CCUS technologies, underlining their potential across sectors like oil and gas, power generation, and industries. The study advocates for regional cooperation and infrastructure development to promote CCS/CCUS adoption, stressing technological progress and international collaboration in Indonesia's clean energy journey and emission reduction efforts. The government's commitment to implementing CCS and CCUS is reflected in the Ministry of Energy and Mineral Resources Regulation No. 2 of 2023. Indonesia has a CO2 storage potential of 8.4 Gt CO2, and so far, there are 15 CCS and CCUS projects underway.
Heterosis dan Heterobeltiosis Pertumbuhan dan Hasil 29 Genotipe Melon (Cucumis melo L.) Puspitasari, Wiwit; Susilo, Edi; Togatorop, Eny Rolenti
PendIPA Journal of Science Education Vol 8 No 2 (2024): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.8.2.184-190

Abstract

The heterosis and heterobeltiosis values ​​are genetic parameters that can be used to determine superior hybrid candidates. The heterosis value is calculated by comparing the F1 hybrid  with mid parent heterosis and best parent heterosis. This study aimed to determine the heterosis and heterobeltiosis values ​​of 29 melon genotypes. The genetic material used in the research was 29 melon genotypes. The research used a single factor Complete Randomized Block Design with three replications. The characters observed were stem diameter, leaf length, harvest age, fruit length, fruit diameter, fruit weight, fruit flesh thickness, and fruit sweetness level. Genotypes that produced high heterosis and heterobeltiosis values ​​were G29xG4 for fruit length, fruit diameter and fruit weight, G9xG4 for fruit length, fruit diameter and fruit flesh thickness, G29xG9 and G38xG4 for fruit length and fruit sweetness, G4xG38 for fruit fruit length and flesh thickness, G29xG40 for fruit weight and fruit flesh thickness, and also G40xG4 and G38xG40 for fruit weight.
Karakterisasi sifat kuantitatif dan sifat kualitatif dua puluh satu genotipe melon (Cucumis melo L.) Kuhesa, Rova Endang; Parwito, Parwito; Sari, Dia Novita
PendIPA Journal of Science Education Vol 8 No 2 (2024): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.8.2.204-209

Abstract

In the last three years, the production of melon has decreased. The decline in melon production was caused by the limited availability of superior seed varieties. Therefore, increasing production by developing superior varieties with high yields is necessary. Characterization is the first step in breeding plants. The research objective was to determine the characteristics of 21 melon genotypes. The research was conducted from January to March 2024. The research was conducted in Lubuk Saung Village, North Bengkulu Regency, Bengkulu Province. The experiment used a randomized complete block design on one factor with three replications. The factors used were 21 melon genotypes. The results showed that cluster analysis with a similarity of 33.33 produced five groups of melons, and G15 was the most different genotype among the other genotypes. Medium leaf size and medium green leaf color are the most dominant sizes and colors. The length of the leaf lobes in the medium category and the development of the leaf lobes in the weak category are the most dominant. The round shape of the fruit is the most common form of fruit. The skin color of the fruit before it is ripe is most green, and the color of the flesh when it is ripe is most white. Fruit without grooves is the most dominant, and surface wrinkles in the fragile fruit are the most dominant. Based on the characterization results, the next stage is selecting new superior varieties according to the desired characteristics.
Studi Studi Profil Awan Konvektif Penyebab Hujan Es Di Jakarta Dengan Menggunakan Radar Cuaca (Studi Kasus Hujan Es Di Jakarta 17 Desember 2022) haryadi, Haryadi; Mahendra Putra, Richard; Widodo, Pujo
PendIPA Journal of Science Education Vol 8 No 2 (2024): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.8.2.210-216

Abstract

On December 17th 2022 there was hail in the Jakarta area. This phenomenon is unique and rarely occurs in the Equator region. This research was carried out by analyzing the profile of the convective clouds that produce hail using weather radar data. Data analysis was carried out by looking at factors from global, regional and local atmospheric conditions that caused the convective system to occur in Jakarta on that date. Then analyze the convective cloud structure that causes hail and estimate the probability of hail events based on ZHAIL products from weather radar. The hail that occurred in Jakarta was caused by convective clouds which occurred due to fairly unstable atmospheric conditions and was supported by weather factors on a global and regional scale. This results in the formation of cumulonimbus clouds with a strong updraft mechanism, characterized by the presence of a weak echo region (WER) and overhang echo (OE) during the cloud growth phase. Then, in the mature phase, the ice particles contained in the cumulonimbus cloud are quite large as indicated by the three body scatter spike (TBSS) pattern. The ZHAIL product shows that there is a chance of hail that is detected since the growth phase of the convective cloud and this condition consistently persists until just before the convective cloud produces hail. When hail occurs, the probability value of the hail event based on the ZHAIL product in this case study actually decreases and disappears in the radar image at a later time.
Pengembangan e-modul pembelajaran IPA berorientasi etnosains alat musik pada materi gelombang bunyi untuk meningkatkan kemampuan berpikir kritis peserta didik Riska, Dara; Mayub, Afrizal; Karyadi, Bhakti
PendIPA Journal of Science Education Vol 8 No 2 (2024): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.8.2.300-306

Abstract

This study aims to develop ethnoscience-oriented science learning e-modules on sound waves of musical instruments improve the critical thinking skills of junior high school students in Bengkulu City. The research method used is R&D with the ADDIE model which are Analysis, Design, Development, Implementation , and Evaluation. This research was conducted on 33 students of eighth grade junior high school 2 Bengkulu City by using pretest-posttest design method. The results showed that: 1) Students stated that it is necessary to develop ethnoscience electronic modules (e-modules) to improve critical thinking skills in science learning. 2) The results of expert and practitioner validation of e-module feasibility instruments consist of four aspects, namely aspects of graphics, media aspects, language feasibility aspects, presentation feasibility aspects, and content feasibility aspects were declared feasible with an average percentage of 87.20% 3) The results of expert and practitioner validation of critical thinking skills instruments consisting of elementary clarification, basic support, inference, providing advance clarification, and organizing strategies and tactics were declared feasible with an average percentage of 93.33% . 4) There is an increase in students' critical thinking skills after using e-modules with a moderate category and a significance value of <0.05 is obtained, meaning that there is a significant effect with the use of sound wave ethnoscience e-modules in improving students' critical thinking skills.5) Students' response to the sound wave ethnoscience e-modules developed in the science learning process reached a percentage of 90.79%. with a very good category.
Pengembangan Bahan Ajar Berbasis Komik Pada Materi Hidrokarbon Pasaribu, Yenni Pintauli; Siregar, Lamtiar Ferawaty; Dakunya, Tresia Yumilda Somi
PendIPA Journal of Science Education Vol 8 No 2 (2024): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.8.2.223-230

Abstract

This research aims to determine the validity of comic-based teaching materials on hydrocarbon materials. This type of research is R&D research using the ADDIE model. The subjects of this research were students of class XI Science at SMA Negeri 1 Tanah Miring. The instrument used in data collection was a questionnaire. The results of the research showed that the development of a comic-based module on hydrocarbon compound material was declared valid and practical in terms of validity. The material validation results were 100% in the very valid category, the media validation was 92% in the very valid category, and the student questionnaire was 86% in the very valid category. valid.  Based on the research results, the comic-based teaching module as teaching material for hydrocarbon compounds was declared valid  for use as teaching material for hydrocarbon compounds.
Pengaruh Penggunaan E-Modul Berb Pengaruh Penggunaan E-Modul Berbasis Masalah Terhadap Hasil Belajar Biologi Kelas XI SMA Negeri 3 Pematangsiantar: Pengaruh Penggunaan E-Modul Berbasis Masalah Terhadap Hasil Belajar Biologi Kelas XI SMA Negeri 3 Pematangsiantar Silaban, Winarto; Siagian, Gunaria
PendIPA Journal of Science Education Vol 8 No 2 (2024): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.8.2.239-242

Abstract

This research explains and describes the research data, namely through comparison scores between pre-test and post-test scores, where the pre-test is carried out before starting the lesson and the post-test is carried out after the lesson is carried out in both classes, namely the experimental class and the control class. The results of this research indicate success in implementing problem-based e-book media on student activities and learning outcomes in immune system material at SMA Negeri 3 Pematangsiantar city. This success is proven by an increase in the value of student learning outcomes with the criteria being quite effective with a mean value of 63.20% with a standard deviation of 12,348 and a significant difference in the conduciveness of learning activities which is stated to be good with a mean value of 78.14% with the standard deviation of 15,786. The application of e-book media can also increase students' knowledge about digital literacy education, where by implementing e-book learning media, students not only increase their knowledge of science but are also increasingly formed into a young generation who are able to go hand in hand with technological developments.
Perkembangan Pembangkit Listrik Tenaga Hibrida (PLT Hibrida) Di Indonesia Guna Mendukung Ketahanan Nasional Syam, Dzilal Iksan; Thamrin, Suyono; Maharani B.Z , Cahya
PendIPA Journal of Science Education Vol 8 No 2 (2024): June
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pendipa.8.2.231-238

Abstract

Hybrid Power Plant is one of the alternatives to meet electricity demand in Indonesia and has experienced significant development in recent years. Hybrid power plants are a solution in increasing the electrification ratio by meeting electricity needs in remote areas and being a solution for new renewable energy that is intermittent A hybrid Power Plant must achieve optimal function so that a strategy is needed to increase optimal achievement. This research aimed to analyse the development of hybrid power plants in Indonesia and identify factors that can optimise the development of hybrid power plants in Indonesia. This research was qualitative and used a literature study method. SWOT analysis became an analytical tool to identify internal and external factors. The results of this study show that hybrid power plants support energy security and national security. Hybrid power plants' strengths (S) are that they can increase reliability, are environmentally friendly and synergise with energy transition. Weaknesses (W) are that some hybrid power plants still utilise fuel for integration and the technology is more complicated. Opportunities (O) are that hybrid power plants can reduce the achievement of electrification ratio, NZE and energy transition. Threats (T) are financing and geography.

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