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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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Analysis of students critical thinking ability based on gender in science learning environmental pollution topics Siska Oktafiana Dewi; Erman Erman
Jurnal Pijar Mipa Vol. 17 No. 4 (2022): July 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

This study aims to describe the differences in the critical thinking ability of male and female students at junior high school (SMPN 27 Surabaya) on environmental pollution topics. The type of research used is descriptive. The research sample was 34 students of SMPN 27 Surabaya class VII F consisting of 17 female students and 17 male students. Data collection was carried out using critical thinking skills tests, student questionnaires, and learning observation sheets. The data obtained include students' critical thinking skills, observation results, and interview results that have been grouped based on the student's gender. The results of this study show that there are differences in critical thinking skills between male students and female students. Female students scored an average critical thinking ability of 75, while male students scored 65. The critical thinking ability of female students is higher than that of male students, as evidenced by the average score of female students being higher than that of male students. It shows that in learning activities, teachers must pay attention to student gender differences, motivate students, and choose the appropriate learning model.

Promoting science process skills and learning outcomes through cybergogy approaches with PhET media for Junior High School Students Maulana Ilham Malik Hidayat; Hasan Subekti
Jurnal Pijar Mipa Vol. 17 No. 4 (2022): July 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

This study aims to describe the implementation of the cybergogy approach in improving Science Process Skills and learning outcomes. The research design used is One Group Pretest Posttest Design with a quantitative approach. The data collection method used is test and observation. The subjects of this study were 16 students of class VIII-A of Junior High School 2 Papar, Indonesia. Observers in this study were two science teachers and one student majoring in science. The instruments used in this study include learning implementation sheets, Science Process Skills observation sheets, pretest and posttest sheets of cognitive learning outcomes. The data analysis technique used quantitative analysis. Implementing learning through the cybergogy approach is carried out well, and a high learning success rate affects the improvement of science process skills and learning outcomes. The pretest of 80% and posttest of 94,4% showed increased cognitive and affective learning outcomes. The average N-Gain result obtained is 0.7 with high criteria. Science process skills as psychomotor and affective aspects experienced a significant increase. The use of PhET media also increased science process skills and learning outcomes. This study concludes that implementing the cybergogy approach to learning using PhET as a V-Lab media can improve science process skills and student learning outcomes.

Examining student responses of PhET simulations after virtual laboratory practices Nurul Azzubairiyah; Erman Erman; Enny Susiyawati
Jurnal Pijar Mipa Vol. 17 No. 4 (2022): July 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

This study aims to describe students' responses to implementing PhET Simulations after joining a virtual laboratory practice. This study employed a survey method. The samples of this study included 80 students in eighth grade, and the data collection was conducted using the questionnaire of students' responses to the use of PhET Simulation. The data of students' responses were displayed in percentages and grouped into five categories: very good, good, satisfying, sufficient, and insufficient. The study results showed that students' interest in PhET Simulations was categorized as good. Group learning feasibility using PhET Simulations was categorized as satisfying, the novelty of PhET Simulations for students was categorized as good, the effectiveness of PhET Simulations was categorized as good, and new information gained from PhET Simulations was categorized as good. The average of students' responses was categorized as good. The results revealed that students respond well to the implementation of PhET Simulations in virtual laboratory practice activities, which should be implemented in the science learning activity during Covid-19 pandemics.

Problem-based learning model implementation to improve students problem-solving skills Nur Dalilatul Hayaro Indra Waskita; Beni Setiawan; Muhamad Arif Mahdiannur
Jurnal Pijar Mipa Vol. 17 No. 4 (2022): July 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

This research aims to improve students' problem-solving skills about additives in food and beverages. This study used one group pretest and posttest design. This study involved thirty-one students from grade 8 at one of the state junior high schools in Gresik Regency, East Java, for the 2021/2022 Academic Year. Data collection techniques using observation assessment sheets, written test assessment sheets, and response questionnaire forms. Based on this study, the results of the percentage of learning implementation of the first meeting of the first session were 91%, the first meeting of the second session was 94%, the second meeting of the first session was 92%, and the second meeting of the second session was 95% by meeting the excellent category. The problem-solving skills were obtained n-gain 0.78 high categories, including the stage of formulating the question 0.67 medium categories, the hypothesis 0.57 with the medium category, determining the solution obtained 0.83 with the high category. The calculation of n-gain in each stage obtained an average n-gain of 0.74 by fulfilling the high category—the response questionnaire form from students with a percentage with excellent categories and positive student responses. The results of this study show that implementing problem-based learning can improve problem-solving skills, especially additives in food and beverages.

The effect of essential oil concentrations on particle size of kencur (Kaempferia galanga L.) nanoemulsions with maltodextrin and tween 80 as emulgators Amri Setyawati; Febi Fajarwati Indah; Yuniar Kusuma Ardani
Jurnal Pijar Mipa Vol. 17 No. 4 (2022): July 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

Kencur (Kaempferia galanga L.) essential oil nanoemulsion was proposed to replace baby powder which has been banned in several countries. This study aimed to determine the effect of various kencur essential oil concentrations on particle size and to measure their stability during storage. This research was initiated by examining essential oil quality and followed by the formulation of nanoemulsion with maltodextrin and tween 80. PSA characterized it, and stability was observed for six weeks. The results showed that the essential oil of kencur was of good quality with a clear yellow color oil, a distinctive odor of kencur, 0.933 g/mL of density, and a 1.480 refractive index value. This value is considered standard in Indonesia's National standards (SNI) of essential oil. The L1, L2, L3, and L4 nanoemulsion formulas have particle sizes: 20.4 nm, 20.3 nm, 21.7 nm, and 26.2 nm, respectively. L1 (0.475) is chosen as the best formula based on the PI value. The formulas showed good stability and homogeneity for six weeks of storage. Its pH is also persistent at room temperature (30 °C) or in refrigerator storage (7 °C).

Concept mapping effect on the cognitive learning outcomes of the concept of classification materials and their changes Lu lu us Silvia; Elok Sudibyo; Ernita Vika Aulia
Jurnal Pijar Mipa Vol. 17 No. 4 (2022): July 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

This research aimed to describe the effectiveness of concept mapping in improving student cognitive learning outcomes in material classification materials and their changes implemented in the public Junior High Schools in Surabaya, Indonesia. The research design used one group pretest-posttest. This research involved 16 students from class VII. This research's data collection methods included observation, test, and questionnaire. The results showed that the implementation of learning got 88.15% and 97.36%, with excellent categories at the first and second meetings. The average N-Gain for all students is 0.5 in the medium category. The students' responses to learning got excellent results. Concept mapping with a cooperative learning type Student Teams Achievement Division STAD can improve student cognitive learning outcomes on classification materials and their changes.

Improvement of students critical thinking skills through structured inquiry learning models on substance pressure topics Lina Ihtimamin Nashoihah; Tutut Nurita
Jurnal Pijar Mipa Vol. 17 No. 4 (2022): July 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

The study aimed to describe improving students' critical thinking skills by applying a structured inquiry model to the substance pressure topic. The research design is one group pretest-posttest design. The study was conducted at the eighth-grade junior high schools in Surabaya in the 2021/2022 academic year, which totaled 22 respondents. Data collection techniques in questionnaire and test. The questionnaire analysis used the Guttman scale, which was calculated using the percentage formula. While the data analysis techniques pretest-posttest using N-Gain score, normality test, and paired t-test. An implementation of the structured inquiry model improves students' critical thinking skills. It is shown that the t-test where the significance value of (0.000 <0.05) indicates differences in students' critical thinking skills before and after the structured inquiry model is applied. The average value of Gain evidence the difference-the results were (0.81) in the high category, and 91% of the 22 students experienced increased critical thinking skills in the high category. The implementation of learning using the inquiry model gets a mode value of 4, so it can be categorized as very good. The students gave a response reaching 93.96% in the very good category. In conclusion, a structured inquiry model can improve students' critical thinking skills on substance-pressure topics.

Application of the guided inquiry learning model to increase student learning motivation Chilya Choirun Nisa; Dyah Astriani
Jurnal Pijar Mipa Vol. 17 No. 4 (2022): July 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

The purpose of the study was to describe the application of the guided inquiry learning model to increase students' motivation to learn about energy in life topics. This research is a descriptive study involving 20 class VII-E SMP Muhammadiyah Sidoarjo Indonesia students in the Academic Year 2021/2022. This research is pre-experimental research with one group pretest-posttest design. The instruments used are motivational tests and questionnaires. The data analysis technique used is the normality test and the Wilcoxon test. The research data collection was carried out using the test and questionnaire method. The instrument used was a learning motivation questionnaire. Hypothesis testing using the Wilcoxon test. The data analysis and discussion results show an increase in learning outcomes with an average N-Gain of 0.61, which has moderate criteria. Questionnaire responses obtained 87.2% in the high category. The Wilcoxon test showed a significance score of <0.05, meaning a significant difference between the pretest and posttest scores. It can be concluded that applying the guided inquiry model increases learning motivation.

Development of problem-solving based test instruments to foster the students creative thinking skills on environmental conservation Annissa Dwi Rizkia; Sjaifuddin Sjaifuddin; Dwi Indah Suryani
Jurnal Pijar Mipa Vol. 17 No. 4 (2022): July 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

This study aims to obtain data on the feasibility of problem-solving-based test instruments to foster the creative thinking skills of junior high school students on environmental conservation. The method used in this study is Research & Development (R&D) with development procedures according to Sugiyono. This study was conducted in 5 stages: potentials and problems, data collection, product design, design validation, and design revision. The instrument used in this development research is a question validation sheet of material experts, evaluation experts, and expert practitioners. The results showed that based on the assessments of content experts, evaluation experts, and practitioners, scores of 88.4%, 88.6%, and 89.9% were obtained, which were classified in the "Very Feasible" category, respectively. In conclusion, the overall validation of the problem-solving-based test instrument received a score of 88.9%, which belongs to the "Very Feasible" category, so the test instrument can be used as an alternative tool for evaluating science learning for junior high school students with several revisions.

The effect of sucrose concentration on the transparency of solid soap-based cooking oil Irda Handriani; Ika Kusuma Nugraheni; Mariatul Kiptiah
Jurnal Pijar Mipa Vol. 17 No. 4 (2022): July 2022
Publisher : Department of Mathematics and Science Education, Faculty of Teacher Training and Education, University of Mataram

This research aimed to identify the effect of sucrose concentration on the transparency of solid soap and to analyze the quality of used cooking oil based on the pH standards of bath soap and the quality requirements of bath soap. Sucrose, a soaping agent, was concentrated at 0%, 7%, 9%, 11%, and 13%, for the test was carried out three times in a row. The test of solid soap was a test of soap transparency, pH, air content, amount of fatty acids, free alkali, free fatty acids, neutral fats, and mineral oil. The results showed that the concentration of sucrose in soap making greatly affected the transparency of soap. The most transparent is a soap with a concentration of 13% sucrose. The quality of soap based on used cooking oil against the pH standard of bath soap has met the standard, and the quality requirements of the Indonesian Nasional Standard for bath soap are appropriate except for the water content and the number of fatty acids.

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Saprizal Hadisaputra

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rizal@unram.ac.id

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+6287738066422

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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