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Jurnal Pijar MIPA

JPM
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Published by Universitas Mataram

ISSN : 19071744 EISSN : 24601500 DOI : -

Core Subject : Science, Education,

Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Physics

Jurnal Pijar MIPA (e-ISSN: 2460-1500 & p-ISSN: 1907-1744) is an open-access scientific periodical journal published by the Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram. Jurnal Pijar MIPA publishes original articles on current issues and trends in mathematics-science-science education studies. In addition, this journal addresses issues concerning environmental education and environmental science. The journal scopes are: a. Physics and Physics Education b. Chemistry and Chemistry Education c. Biology and Biology Education d. Natural Science and Science Education e. Mathematics and Mathematics Education f. Environmental and Environmental Education

Arjuna Subject : Umum - Umum

Articles 1,179 Documents

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The effect of using integrated learning model on science learning in junior high school: Systematic Literature Review Sri Aryani; Zarkasih Zarkasih; Radeswandri Radeswandri; Rian Vebrianto
Jurnal Pijar Mipa Vol. 17 No. 3 (2022): May 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

The implementation of the 2013 curriculum in learning uses a scientific approach, student-centered learning, integrated learning, developing of students' thinking skills, instilling spiritual and social attitudes, as well as exploring students' communication and collaboration skills. Based on the literature review, many schools teach science partially. It turns out that teachers face many obstacles when implementing integrated science learning. One of them is the difficulty of teachers designing integrated science learning models, causing the learning process not to achieve the desired results. It affects students' low learning outcomes and cognitive abilities. Therefore, this study aims to determine the effect and effectiveness of the Integrated Science learning model on science learning in junior high schools. The method used is a systematic literature review using PRISMA diagrams. The database used to search for literature is two digital libraries, namely Google Scholar and Mendeley. Literature screening was conducted to obtain scientific article publications from 2017 to 2021, which discuss using the Integrated Science learning model in science learning in junior high schools. The results of the scientific article search contained eight articles that would be analyzed and synthesized. The analytical technique used is the narrative method by grouping the extracted data. The results of this study affect students due to the use of the Integrated Science learning model, namely in terms of learning outcomes, 21st-century skills, and attitude competence. The use of the Integrated science learning model has proven to be effective in the science learning process in junior high schools.

Implementation of PhET simulation with discovery learning model to improve understanding of dynamic electricity concepts Vera Meidy Anisa; Dyah Astriani
Jurnal Pijar Mipa Vol. 17 No. 3 (2022): May 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

This study describes the implementation of learning using PhET simulation with a discovery learning model, the effect on increasing understanding of dynamic electricity concepts in science subjects, and student responses after participating in the lesson. This type of research uses a pre-experiment in the form of a one-group pretest-posttest design. The research was conducted on class IX IJHS students at Al-Islahiyah junior high school. Collecting data using the test method, questionnaire method, and observation method, with instruments in the form of test sheets, student response questionnaire sheets, and learning implementation observation sheets. The results of this study are 1) the implementation of learning using PhET simulation media with discovery learning model at first to fourth meetings is categorized as very good with percentages of 95.05%, 94.78%, 99.47%, and 100%. 2) The average n-gain value of all sub-concepts in class IX-A and class IX-B of 0.68 and 0.66, respectively, in the medium category indicate an increase in concept understanding. 3) The students show a positive response to the implementation of learning with PhET simulation with a discovery learning model with an average percentage of 74.28%. Thus, PhET simulation learning with a discovery learning model can improve students understanding of concepts.

The practicality of problem-based learning tools assisted by interactive simulations to improve students' creative thinking ability Ratnah Ratnah; Wildan Wildan; Muntari Muntari
Jurnal Pijar Mipa Vol. 17 No. 3 (2022): May 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

Learning tools are important to facilitate students in improving creative thinking skills. The ultimate goal of this research is to produce practical problem-based learning tools assisted by interactive simulations. This research uses a 4D development model: define, design, develop, and disseminate. The interactive simulation-assisted problem-based learning tool that was developed consisted of a syllabus, lesson plans, worksheets, and evaluation instruments. The research subjects used were students of class XI MA in Mataram City. The practicality test is carried out by observing the implementation of learning, the process of creative thinking skills during learning, and teacher and student responses related to learning and learning tools. The results of the practicality test showed in the practical category. They received a positive response from both teachers and students, with the percentage range of the practicality of all indicators being 60% to 80%.

Problem-based learning model assisted by google meet for parabolic motion topic to improve student learning outcomes Wahyuni D. Sumayow; Trisnawaty Junus Buhungo; Ritin Uloli; Supartin Supartin
Jurnal Pijar Mipa Vol. 17 No. 3 (2022): May 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

This research aims to produce quality physics learning tools using the Problem Based Learning (PBL) learning model. The study was conducted at a public senior high school (SMA Negeri 1 Tapa), Gorontalo, Indonesia. The device was developed using the 4D development model developed by Thiagarajan and Semel. The research results on the device show that the developed device is of high quality. Learning tools are said to be valid for use with little revision. It can be seen based on the average validation results of 3.5 to 3.6. The effectiveness of learning devices is seen in the increase in student learning outcomes. It consists of the cognitive domain from the first meeting until the second meeting. It obtained N Gain 0.54 with N Gain criteria moderate, in the attitude domain with an average percentage of 81.77%. The results of observing student activities during two meetings: 71.80% with good criteria. The psychomotor aspects with an average percentage of 80.36%, and the practicality of the developed devices seen from the observation sheet on the implementation of learning 84.78%, as well as teacher response questionnaires and student response questionnaires with an average the percentage of 79.88% and 84.80% got a positive response. There is an influence on student learning outcomes after the problem-based learning model is set with the help of the google meet application on parabolic motion material in the development of learning devices.

Analyze breaking palm oil dormancy through chemical processes using multivariate analysis of variance Widya Reza; Vitri Aprilla Handayani; Eko Sulistyono
Jurnal Pijar Mipa Vol. 17 No. 3 (2022): May 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

Palm oil is a dormant plant. The main cause of oil palm seed dormancy is the hard and thick seed coat or shell, inhibiting the effective absorption of water and gases. The presence of a seed coat barrier causes the germination process of oil palm seeds to be hampered. This study aims to determine the effect of chemical treatment on breaking palm oil dormancy by immersion in a solution of strong acids, namely H2SO4, KNO3, and HCl. This study used a completely random design (CRD) with three treatments, four observations, and five replications. The results of the following study were analyzed using MANOVA with the parameters observed were germination rate, germination rate, seedling height, and most extended root length. Based on the analysis results, it was found that immersion with a solution of a strong acid, namely H2SO4, KNO3, and HCl, had different effects on breaking palm oil dormancy. The highest average germination rate was through immersion with HCl, which produced an average of 65.24. The highest average germination was through immersion in H2SO4 with an average of 8.52. In contrast, the average seedling height and most extended root length were soaked in HCl with an average of 35.28, and 15, respectively. Based on the results obtained, the best chemical treatment for breaking palm oil dormancy is through soaking with HCl.

Development of student worksheets with contextual teaching and learning (CTL) approach to train critical thinking skills responsibility of students on thermochemistry concepts Sitti Kholifah Amartyah; Rusmini Rusmini
Jurnal Pijar Mipa Vol. 17 No. 3 (2022): May 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

This study aims to produce and describe the feasibility of student worksheets with a contextual teaching and learning CTL approach in training critical thinking skills and responsibility in thermochemical material. This study uses a research and development type, the ADDIE (Analysis, Design, Development, Implementation, Evaluation). The research sample was 24 students of class XI IPA MA Nurut Taqwa Grujugan Cermee Bondowoso, West Java, Indonesia. The results showed that: 1) Validity analysis obtained an average percentage of 87% with very valid criteria; 2) Practical analysis based on the percentage of response questionnaires and student activity observations of 88% and 98% with very practical criteria; 3) Analysis of effectiveness based on pretest-posttest data: a) Normality test of cognitive knowledge and critical thinking skills 0.985 and 0.297 normally distributed; b) Paired Sample t-Test 0.000 showed an increase in learning outcomes; c) The N-Gain test of cognitive knowledge and critical thinking skills scored 78% and 76% showed an increase in learning outcomes and attitude of respondents obtained a score of 87% with very good criteria. IN conclusion, the developed student worksheet with the CTL approach is categorized as feasible with valid, practical, and effective criteria. The development of student worksheets as teaching material to improve students' critical thinking skills becomes a choice for learning to make learning more meaningful, accompanied by the attitude of students who are full of responsibility, which is an important thing to do.

Determination of percentage yield and total phenolic content of ethanol extract from purple passion (Passiflora edulis f. edulis Sims) fruit peel Sisminnitah Dewi Nofita; Khoirul Ngibad; Achmad Fathoni Rodli
Jurnal Pijar Mipa Vol. 17 No. 3 (2022): May 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

Free radicals can trigger various diseases, such as cancer, cardiovascular, arthritis, diabetes, neurological disorders, and aging. Thus, antioxidants are needed to reduce these free radicals. The peel of the purple passion fruit (Passiflora edulis f. edulis Sims) has many phenolic compounds that indicate antioxidant capacity. This study aims to determine the percentage yield and total phenolic contents in the ethanol extract of purple passion fruit peel. Extraction of purple passion fruit peel using the method of maceration with ethanol solvent. Measurement of total phenolic levels in ethanol extract from purple passion fruit peel using the UV–Vis Spectrophototometry method with Folin-Ciocalteu reagent. The principle of this method is based on the reagent between gallic acid and the Folin-Ciocalteu reagent that will produce a molybdenum-tungsten complex. Furthermore, the addition of Na2CO3 solution will change the color of the solution to blue, and its absorbance can be measured at a wavelength of 765 nm. The results showed that the ethanol extract from purple passion fruit peel yielded 1.363% and total phenolic levels of 30.758 mg of gallic acid equivalent per the gram of extract. The existence of the total phenolic content proves that the ethanol extract from purple passion fruit peel has the potential to be used as an alternative source of natural antioxidants.

Enhancing metacognitive skills in the classroom: The effect of number head together cooperative learning model Adilah Mahmudah Eka Pratiwi; Utiya Azizah
Jurnal Pijar Mipa Vol. 17 No. 3 (2022): May 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

This study aims to study the effect of the number head together NHT type cooperative learning model on the activities of students and metacognitive skills. The research subjects came from students of class eleventh Science Senior High School of 19 Surabaya, 35 students using a one pretest-posttest control group design. The results obtained were 1) the percentage of implementation of the NHT cooperative learning model at meetings 1 and 2 was 94.4% and 95.8%, which were categorized as very good. 2) The percentage of student activity at the relevant 1 and 2 meetings is 95.97% and 97.20%, respectively. 3) Increased N-gain on students' metacognitive skills through post-test, including planning skills of 0.6; monitoring skills of 0.5; and evaluating skills of 0.5.

A science literacy-oriented student worksheet development for Junior High School on the topic of waves and disasters Siti Nur Atsma Atsma; Prasetyaningsih Prasetyaningsih; Vica Dian Aprelia Resti
Jurnal Pijar Mipa Vol. 17 No. 3 (2022): May 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

This study aims to explain the process of developing student worksheets and determine the level of validity of the developed student worksheets. The method used in this study is research and development (R&D) with a 4-D development model following Thiagarajan. This study was conducted in 3 stages: define, design, and develop. The instrument used in this study was a validation sheet filled out by teaching experts and science practitioners. The validation results gained 84.73% in the very valid category. The validation results on aspects of content feasibility, linguistic aspects, presentation aspects, and visual aspects respectively obtained an average percentage of 86.25%, 85.42%, 82.16%, and 90.63%, with very valid categories. The worksheets can be used for school science learning activities with a few revisions.

Flipped classroom learning system based on guided inquiry using moodle on acid-base solutions Vira Gita Fani; Mawardi Mawardi
Jurnal Pijar Mipa Vol. 17 No. 3 (2022): May 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

This study aims to develop a digital learning system that can be used during a pandemic and meet the demands of the industrial revolution 4.0 by determining its validity and practicality. The type of research in this research is Educational Design Research (EDR) using the Plomp development model. The research was conducted at a public high school (SMA Negeri 8 Padang) in the academic year 2021/2022. Data was collected using a validated questionnaire and a practicality questionnaire. The results showed that the learning system obtained average content validity of 0.87 with a valid category and average media validity of 0.88 with a valid category. The results of the practicality test for students have average practicality of 90% in a very practical category and average practicality for teachers of 92% in a very practical category. Overall, the research results show that developing a flipped classroom learning system based on guided inquiry using Moodle on acid-base solution material is valid and practical.

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Saprizal Hadisaputra

Contact Email
rizal@unram.ac.id

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+6287738066422

Journal Mail Official
pijarmipa@unram.ac.id

Editorial Address
Univesitas Mataram. Jalan Majapahit No 62 Mataram, Lombok, NTB. 83125. Indonesia

Location
Kota mataram,

Nusa tenggara barat

INDONESIA

Abstract

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Saprizal Hadisaputra

Contact Email rizal@unram.ac.id

Phone +6287738066422

Journal Mail Official pijarmipa@unram.ac.id

Editorial Address Univesitas Mataram. Jalan Majapahit No 62 Mataram, Lombok, NTB. 83125. Indonesia

Location Kota mataram, Nusa tenggara barat INDONESIA

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Abstract

Contact Name
Saprizal Hadisaputra

Contact Email
rizal@unram.ac.id

Phone
+6287738066422

Journal Mail Official
pijarmipa@unram.ac.id

Editorial Address
Univesitas Mataram. Jalan Majapahit No 62 Mataram, Lombok, NTB. 83125. Indonesia

Location
Kota mataram,

Nusa tenggara barat

INDONESIA