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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 6,421 Documents
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Effects of Land Cover Change and Deforestation on Rainfall and Surface Temperature in New Capital City of Indonesia Ramadani Safitri; Marzuki Marzuki; Mohammad Ali Shafii; Helmi Yusnaini; Ravidho Ramadhan
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 6 (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i6.2182

Abstract

Land cover change and deforestation have a significant impact on climate change. This study investigates the effect of land cover change and deforestation on surface temperatures and extreme rainfall in the New Capital City of Indonesia (IKN), particularly in Samboja and Sepaku Subdistricts, East Kalimantan Province. Land cover change and deforestation were analyzed from Landsat 5 TM, 7 ETM+, and 8 OLI satellite data during 2001-2020. Land cover is divided into four classes: built-up land, water bodies, vegetation, and agricultural area. Rainfall data were obtained from the Integrated Multi-satellite Retrievals for GPM (IMERG) version 6 satellite, and extreme temperatures were taken from fifth-generation ECMWF reanalysis (ERA5) data. A significant decrease in vegetated land area is observed every year, followed by an increase in residential land and buildings (built-up area) and agricultural land. The highest rate of increase was observed in the area of ​​agricultural land. Such change is correlated with an increase in surface temperature in the IKN. The strongest correlation is shown by increased built-up area and agricultural land. The relationship between rainfall and land cover is weak, and the body of water shows a relatively strong relationship. The extreme number of very wet days (R95p), ​​consecutive dry days (CDD), and max 1-day precipitation (RX1day) rain index showed a decreasing trend during 2001-2020. However, the consecutive wet days (CWDs) index showed an increase. This needs to be a concern because consecutive precipitation extremes may cause more catastrophability than occasional extreme events.
The Validation of Learning Devices Based on Cognitive Conflict Approach in Blended Learning Model Martina Nur Larasafitri; Gunawan Gunawan; Kosim Kosim
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 6 (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i6.2185

Abstract

This study aims to describe validation of learning devices based on cognitive conflict approach in blended learning model. The learning devices are developed to improve students’ concept mastery and critical thinking ability. The learning devices are lesson plans (RPP), learning materials, student worksheet, and evaluation instruments. This study is a research and development using 4-D model, define, design, develop, and disseminate. This study is focus on develop stage. Validation process is done in develop stage. Validation process is using instrument (validation sheet). The validity of the learning devices was assessed by 3 experts who are competent at Mataram University. Criticisms and suggestions given by validators are used as improvements to developed learning devices. Data analysis is about the validity and reliability (percentage of agreement). The results said learning devices is very suitable for learning. The results of agreement between validators showed developed learning devices scored more than 75% which included in reliable category. More complete and detail explanation about validation results is presented in this article
Epidermal Structure and Leaf Stomata of Several Accessions of Banana Plants (Musa spp.) Gebiana Nyainleta; Anneke Pesik; Adriana Hiariej
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 6 (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i6.2194

Abstract

This study aimed to determine the structure of epidermal cells and leaf stomata in Jarum, Merah, Tanduk, Kepok, and Pei or wild banana. The type of research used was quantitative to calculate the number of epidermis, epidermal cell size, number of stomata, and stomata index. Meanwhile, qualitatively described the structure of epidermal cells, epidermal cell shape, stomata shape, and stomata type of banana leaves based on the longitudinal incision method. The results showed that four accessions of bananas have epidermal cell shapes: rectangular, pentagon, hexagon, heptagon, octagonal, and regularly length. Meanwhile, Merah have different epidermal cell shapes, namely rectangular, pentagon, hexagon, and irregular, with untidy arrangements. The stomata of the five samples are surrounded by four to six subsidiary cells and are kidney-shaped. Based on the location of the leaf surface, stomata in five banana accessions have an amphistomatic type. Pei or wild bananas have a long epidermal size compared to the other four species but have a small number of epidermis. Then, the number of stomata in all banana species differs on the upper and lower surfaces. The number of stomata is more on the lower surface of the leaves. Stomata index in all banana species is low
Dampak Edmodo berbantuan Laboratorium Virtual terhadap Motivasi dan Kemandirian Belajar Siswa Dhieta Dewi Utami; A. Halim; Yusrizal Yusrizal; Elisa Elisa; Fitria Herliana
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 6 (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i6.2207

Abstract

One of the difficulties that arise during online learning is the lack of motivation and independence in student learning. Teachers are required to be able to master various kinds of technology in order to be able to apply online learning which can increase motivation and independence. Edmodo is a learning medium that can be used during online learning and provides features that make communication and collaboration between teachers and students easier. The purpose of this study was to determine the impact of the application of Edmodo assisted by a virtual laboratory on students' learning motivation and independence. The design used in this study was a pretest-posttest control group design. The research sample was 60 X MIA students at SMAN 2 Peusangan. The experimental class uses Edmodo assisted by a virtual laboratory combined with PhET simulations, while the control class uses WhatsApp media. The data collection instrument uses a questionnaire on student learning motivation and independence that has been validated by experts. The results of the t-test analysis of learning motivation in the post-test experimental class and control class showed that there were significant differences. While the results of the t-test analysis of learning independence in the post-test experimental class and control class showed that there were also significant differences. The conclusion from the results of this study is that the application of Edmodo assisted by a virtual laboratory has a significant influence on learning motivation and independence, so it is effectively used in learning physics, especially in Newton's Law material.
Ethnobioconservation with a Predict, Observe, Explain (POE) Strategy Against Student Cooperative Skills Pamella Mercy Papilaya; Prelly Marsell Jolanda Tuapattinaya
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 6 (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i6.2230

Abstract

Student cooperative skills are an internal representation of the conceptual understanding of Maluku's natural resource conservation biology. Currently, students still have difficulty explaining the relationship between biological conservation and biological, physical and chemical conditions of a natural resource phenomenon, at a concrete level. These difficulties require research, through Predict, Observe, Explain (POE) Strategy, Ethnobioconservation Development of Maluku Natural Resources. This study aimed to reveal the development and differences in students' cooperative skills after learning Bioconservation with POE and conventional learning. Indicators of students' cooperative skills were adapted from Johnson, & Holubec, (2002). The topic of Maluku Natural Resources Ethnobioconservation combined with the POE Strategy consists of five topics, namely 1) Burning rocks in Maluku Tenggara Barat Indonesia; 2) Sasi Lompa Opening Ceremony in Haruku Village, Maluku Indonesia; 3) Timba Laor, Latuhalat Village, Ambon Maluku Indonesia; 4) Meti Kei Ceremony in Southeast Maluku Indonesia; and 5) The Opening Ceremony of Sasi Teripang in Noloth Village, Saparua Island, Maluku Indonesia. The findings indicated that the POE strategy resulted in better student cooperative skills. The N-Gain scores of students in the class using the POE and conventional strategies were found to be 71.43 and 47.73, respectively. Meanwhile, the value of coopetarif skills was higher (36.67%) compared to conventional learning. Thus, it can be concluded that POE Strategy learning is effective in increasing the cooperative skills of students. This research recommends that POE is very important and useful for use in biology learning. because the POE strategy facilitates student concept change
The Development of Students’ Worksheets Face to Face Online Based on Hypercontent on Temperature and Heat Topic Khaeruddin Khaeruddin; Rahmawati Rahmawati; Nurfazlina Nurfazlina; Salwa Rufaida; Nurhayati Nurhayati
Jurnal Penelitian Pendidikan IPA Vol 8 No 6 (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i6.2234

Abstract

The 21st century is a century that encourages humans to integrate life with ICT and education is no exception. However, in reality, in SMA Muhammadiyah 1 Unismuh Makassar, the use of technology such as mobile phones and the use of teaching materials is still lacking. Therefore, one of the efforts made is to produce hyper-content based LKPD student worksheet so that students are more interested in learning physics. This study aims to describe the content validity of hyper-content student worksheet on temperature and heat topic. Furthermore, the goals of this research was to describe the practicality of the response of teachers and students to hyper-content based student worksheet on the temperature and heat topic, and describe the effectiveness of student worksheet for the given questions. This research is a type of development research (R&D) using the ADDIE model design (analysis, design, development, implementation, and evaluation). The results showed that the feasibility of hyper-content based student worksheet based on the assessment of valuators 1 and 2 was categorized as very feasible, with the percentage of LKPD validation 96.0%. Teachers and students gave a very positive response to the practicality of the LKPD based on hyper-content- as a learning medium with a teacher response percentage of 100.0% with very practical criteria and student responses 84.37% very practical criteria. The effectiveness obtained from the students' test results of 0.59 criteria is quite effective
Implementasi Model Blended Learning Tipe Flipped Classroom Berbantuan Video untuk Meningkatkan Keterampilan Berpikir Kreatif Peserta Didik Ahmad Harjono; Talitha Gita Andani; I Wayan Gunada; Susilawati Susilawati
Jurnal Penelitian Pendidikan IPA Vol 8 No 6 (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i6.2255

Abstract

This study aims to determine the improvement of students' creative thinking skills through a video-assisted blended-flipped classroom model on work and energy materials. This study uses a quantitative approach. The research was carried out at SMA-IT Abu Hurairah Mataram in the 2nd semester of the 2021/2022 academic year. The research subjects were 32 students of X MIA 2. The instrument used is a test of creative thinking skills on work and energy materials. The results showed that the N-Gain scores of students on the aspects of fluency, flexibility, originality, and elaboration were 0.91; 0.27; 0.13; and 0.40 respectively. The average N-Gain score is 0.41 in the medium category. Thus, it can be concluded that the video-assisted blended-flipped classroom model can improve students' creative thinking skills
E-Book Development Effectiveness Problem Based Learning with Quizing in Physics Learning Irena Retno Damayanti; Yohandri Yohandri
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 6 (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i6.2290

Abstract

This research was based on observations made at one of the Dhamasrya public schools, SMAN 1 Koto Baru, which found several shortcomings in the learning system carried out, one of which was the lack of variation in the learning carried out and the lack of teaching materials based on the 2013 curriculum in study. The formulation of the problem that can be given is how to develop an E-Book Based on Problem Based Learning. Accompanied by Giving Quizzes to Class X High School Physics Learning. This research belongs to research with the type in this research is Research and Development and the development model used is the Plomp development model. The development analysis uses the stages of validation, practicality and effectiveness. Assessment of effectiveness using knowledge assessment test sheets, self-assessment for attitudes and skills assessment for performance and the N-Gain value of the achievement of student competencies. Analysis of the effectiveness using the N-Gain value and completeness of students who are above 80% of all students. The results obtained in this study are a product in the form of an E-Book Based on Problem Based Learning Accompanied by Giving Quizzes to Class X High School Physics Learning that is effective for use by students and for use by teachers. Analysis of the effectiveness assessment using cognitive learning outcomes with almost all completeness results or 80% of students who participated in the study were declared complete. The results of the affective assessment carried out using the self-assessment sheet obtained results in a good category and psychomotor learning outcomes assessed using the worksheets obtained results in a good category. In addition, using the N-Gain equation obtained high scores. Based on the results obtained, the developed E-Book can be declared effective.
Students Scientific Literacy Profile of Mathematics Education Study Program in Chemistry Subjects Natalia Peni; Melania Priska; Yosephina Payu Wao
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 6 (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i6.2295

Abstract

This study aims to describe the scientific literacy profile of students in the mathematics education study program in chemistry subjects. The research method is descriptive quantitative research, with the research subject being the second semester students of the Mathematics Education Study Program at the University of Flores in 2021/2022 academic year, totaling 29 peoples. The data resource from the questionnaires, which was based on the aspect of competence. Furthermore, the scientific literacy student competency test questions were tested for validity and reliability, then continued with a final score test to interpret descriptively student learning outcomes. The results of the scientific literacy profile of prospective teachers mathematics at the Faculty of Teacher Training and Education,  Flores University consist of 5 indicators, namely, identifying and explaining scientific phenomena, getting a score of 75.45, which is good category;  evaluating and designing scientific questions, getting score of 55.75, which is reasonable category; interpreting data and evidence scientifically, getting a score of 62.25 which is reasonable category; creating a good graph, getting a score of 57.55 which is reasonable category; problem-solving skills, getting a score of 60.25 which is reasonable category; understanding and interpreting data, getting a score of 45.00 which is very much less category; and the ability to draw conclusions, getting a score of 77.00 which is good category. These results performed that scientific literacy skills of students are reasonable category.
Disain dan Validitas E-Instrument Five Tier-Multiple Choice Test Menggunakan iSpring Quiz Maker Sebagai Asesmen Literasi Sains Siswa Pada Pembelajaran Abad-21 Hendra Musfa Dirman; Fatni Mufit
Jurnal Penelitian Pendidikan IPA Vol 8 No 6 (2022): December
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i6.2300

Abstract

The goal of 21st century learning is to provide students with conceptual knowledge and scientific literacy abilities. Creating a five-tier multiple choice e-instrument on the subject of work and energy and momentum and impulse. The purpose of this study was to determine the characteristics and validity of a five-tier multiple choice e-instrument using the i-Spring Quiz Maker as an assessment of scientific literacy and understanding of concepts for high school students in class X. The research carried out included the type of development research using the Plomp model. The research was carried out to the expert review stage (Validity). The object of the research is a five-tier multiple choice e-instrument using the i-Spring Quiz Maker. The source of content validity data was obtained from the results of expert validation by a Physics lecturer at the Faculty of Mathematics and Natural Sciences, UNP. Preliminary research conducted at this stage of research revealed that teachers were not familiar with the five-tier-multiple choice instrument in assessing students' conceptual understanding, especially on the matter of effort and energy and momentum and impulse. In the Development or Prototyping Phase, a five-level multiple choice electronic instrument is designed using the i-Spring Quiz Maker application. The results of the self-evaluation were obtained with very good criteria. The results of the instrument validity test are obtained as a whole with a high validity category.

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