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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 implementation of a guided inquiry model assisted by visual media to improve students learning outcomes on digestive system learning materials Marisa Cantika Putri; Martini Martini
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 determine the influence and the effectiveness of the guided inquiry model assisted by visual media to improve students' learning outcomes. This research used a one-group pretest-posttest design. The research subject is 12 class VIII students in one public Junior High School in Sidoarjo. The instrument and data collection techniques are pretest-posttest. The data analysis techniques were learning implementation analysis and learning outcomes analysis using the Wilcoxon test and normalized gain score. The results showed that the percentage of the learning implementation for the first and second meetings was very good. The average N-Gain score was 0,60, which was in the medium category. Based on this result, it can be concluded that the guided inquiry model assisted by visual media can improve students' learning outcomes.

Application of experiential learning model to increase students motivation and learning outcomes Balgis Swaneda Fortunela Fortunela; Hasan Subekti; Wahyu Budi Sabtiawan
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 aimed to describe how the experiential learning model increases motivation and improves student learning outcomes in the knowledge domain. The research was a pre-experiment with a one-group pretest-posttest design. Junior high school (SMPN 1 Surabaya) students in the 7th grade were the subject. The research instruments are learning observation forms, pretest and posttest, and a motivation questionnaire. Data was collected using the learning method, student questionnaire, and pretest and posttest methods. The data analysis included examining learning implementation, test findings of enhanced motivation and learning outcomes using the Wilcoxon test and normalized gain analysis, and a checkup of motivation and student learning. The results showed that the learning model was implemented very well, with an average score of 93 percent at the first meeting and 96 percent at the second meeting. The students' motivation from the pretest was 59 percent with a strong category at the first meeting and then improved to 89 percent with an excellent classification at the second meeting. The second meeting had a higher percentage of 96 percent for student learning outcomes on knowing competency than the first meeting, with a measurement of 64 percent. In conclusion, the experiential learning preparatory in science learning can boost students' motivation and learning outcomes.

The effectiveness of the guided inquiry activity with the acid-base titration module on the high school student learning outcomes Nurhayati Nurhayati; Iryani Iryani
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 aims to reveal the effectiveness of guided inquiry activity-based acid-base titration modules on student learning outcomes in class XI MIPA SMA Negeri 2 Batang Anai, Padang, Indonesia. The population is the research sample selected using the purposive sampling technique, where 37 students as research subjects. The research instrument used was a learning outcome test in the form of multiple-choice questions, consisting of a pretest and a posttest. The average value of the increase in student learning outcomes in the subject class is 63.13. Subject class data were normally distributed and homogeneous. The results of the t-test are count (4.18) > table (1.9). The value of N-gain in the subject class is 0.72. The results showed that using the guided inquiry-based acid-base titration module effectively improved student learning outcomes.

Formulation and antibacterial test traveling paper soap made from virgin coconut oil and durian seeds Rahmiati; Suciani Zubair; Baiq Yusmi Aolinnir Rahmah; Ika Mustikasari; Annur Afgoni; Erin Ryantin Gunawan
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

Soap as a cleaning product has been the primary needs since the spread of Covid-19. Government regulations require people to wash their hands. Hence the demand for soap production is increasing. This study aimed to obtain a Traveling Paper Soap formulation from VCO and durian seeds for antibacterial activity on the skin. The experimental laboratory method uses quantitative and qualitative descriptive analysis. The treatment in this study was the production of Durian Seed Bioethanol with a bioethanol capacity of 19.95% from the hydrolysis of 486 g of Durian Seed flour. The treatment in this study was the manufacture of durian seed bioethanol with a bioethanol content of 19.95% from the hydrolysis of 486 g of durian seed flour. The parameters of the bioethanol viscosity test were 0.7137 cP, and the bioethanol density was 0.9669 g/mL. Based on our research, the best traveling paper soap results are formulation 2 with a water content of 7%, pH value of 10, free alkali content of 0.21%, and antibacterial activity against Staphylococcus Epidermis of 22.3 mm. According to the Indonesian National Standard Mandatory Solid Soap, SNI 3532:1994, it shows that soap complies with the SNI 3532:1994 standard.

Effect of beluntas leaf (Pluchea indica) ethanol extract on mortality of instar II larvas (Spodoptera litura F.) on long bean plant (Vigna sinensis L.) Syamsul Bahri; Ayudya Lestari; Via Monica Devi; Baiq Fitri Rahmayanti; Muhammad Akhyar Rosyidi
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

Low long bean productivity is one of the impacts of S. litura. Farmers often rely on chemical fertilizers to control the population of S. litura so that this control method can leave residues in the growing media. Therefore, an effort to overcome the problem of S. litura is to use natural pesticides from beluntas leaves (P. indica), which produce secondary metabolites. This study aimed to determine the effect of ethanol extract of beluntas (P. indica) leaves on the mortality of second instar larvae of S. litura in long bean plants. This study used a completely randomized design (CRD) consisting of 5 concentrations, namely 50 ppm, 100 ppm, 150 ppm, 200 ppm, and 250 ppm, as well as control using distilled water with two repetitions. Descriptive statistics analyzed the research data. The results showed that the ethanol extract of beluntas leaves affected the mortality of the second instar larvae S. litura by 40.0% at a concentration of 250 ppm. Concentrations of 50 ppm and 100 ppm gave a mortality effect of 10.0%, a concentration of 150 ppm was 15.0%, and a concentration of 200 ppm was 35.0%. Thus it can be concluded that the higher the concentration of the ethanol extract of beluntas leaves, the higher the mortality of the second instar larvae of S. litura.

Analysis of student responses to online learning in biology subjects at Senior High School of Central Lombok Nova Listiana; Dadi Setiadi; Kusmiyati Kusmiyati
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 current Covid-19 pandemic has a significant impact on all aspects of human life, one of which is in the field of education. This study aims to determine how the senior high school students of North Batukliang central Lombok Indonesia respond to online learning in biology subjects. This research is qualitative descriptive research. The sampling technique in this research is saturated sampling. Meanwhile, the instruments used in this study were interviews and questionnaires. The study showed a positive response: the understanding indicator obtained a student response of 61%, and the independence indicator was 67%, which was included in the strong category. In the facility indicator, the student response value is 79% which is in a very strong category. The learning process still needs to be optimized and needs to be evaluated for the sake of improving online learning in the next period.

Analysis of mathematical investigation ability reviewed from personality types in Junior High School Caesarla Elintang Yolawati; Sri Subarinah; Amrullah Amrullah; Nyoman Sridana
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

Mathematical investigative ability is one of the skills that need to be honed in every student to improve problem-solving skills and develop thinking skills. A mathematical investigation has four stages: specialization, conjecture, justification, and generalization. This paper aims to describe the mathematical investigative abilities of extroverted and introverted personality students. This study was conducted qualitatively on Junior High School 1 Mataram students in grades IX-F, selected by a simple random sampling technique. Based on the mathematical investigation test results and personality type, 6 students were selected to be interviewed. The results showed that extrovert students were alert, independent, and outward-looking or oriented when doing mathematical investigation tests, such as directly working on questions deftly and trying out their ideas. Therefore, students with extrovert personalities mostly succeeded in going through three stages of an investigation, namely: specialization, conjecture, and justification. Introvert personality students, when doing mathematical investigations, are thorough, detailed, focused, and think deeply, such as checking answers by doing one more time, then rereading the answers in detail, and focusing on thinking deeply at the generalization stage. Therefore, most introverted students passed three stages of mathematical investigation: specialization, conjecture, and justification. However, some introverted students also made it through the fourth stage.

The effect of liquid organic fertilizer from tofu industrial waste and EM4 on the growth of mustard greens (Brasicajuncea L.) Intannia Eka Putri Sugiharti; Ahmad Raksun; I Gde Mertha
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 aimed to determine the effect of liquid organic fertilizer (LOF) from tofu industry waste, EM4, and their combination on the growth of mustard greens (Brassica juncea L.) and to determine the most optimal dose to increase the growth of mustard greens. This study used a factorial Completely Randomized Design (CRD) consisting of 2 factors. The first factor is the dose of POC from the tofu industry waste, and the second is the dose of EM4. Each factor has five levels of fertilization with three replications. The treatment of liquid organic fertilizer from tofu industry waste consisted of 0 ml, 25 ml, 50 ml, 75 ml, and 100 ml. The EM4 treatment consisted of 0 ml, 1 ml, 2 ml, 3 ml, and 4 ml/100 ml water. The parameters observed in Green mustard growth were plant height, number of leaves, wet weight, leaf area, and dry weight. The results of the research showed that the POC of tofu waste, EM4, and its combination did not have a significant effect on all parameters.

Analysis of mathematics problem-solving ability on plane figure subject based on van hieles theory at Junior High School Deanti Ramadhania; Sudi Prayitno; Sri Subarinah; Arjudin Arjudin
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 ability to solve mathematical problems in Plane Figure Subject based on van Hiele's theory in class VIII students of SMP Negeri 1 Mataram in the academic year 2021/2022. The type of research used is descriptive qualitative, which produces data in the form of written or spoken words from people and observed behavior. The subjects in this study were students in class VIII-E at SMP Negeri 1 Mataram, totaling 36 students. The method of taking the subject in this study used purposive sampling, which was selected based on the objectives to be achieved. The data collection methods used are the van Hiele test and the flat wake problem-solving ability test, interviews, and documentation. The thinking level of students in taking the van Hiele test was: 20 students at level 0 (visualization) with a percentage of 55.56%, 13 students at level 1 (analysis) with a percentage of 36.11%, and 3 students at level 2 (informal deduction) with a percentage of 8.33%. Furthermore, students at each level of van Hiele's thinking were taken as representatives of each of the 2 subjects to carry out a problem-solving ability test. Based on the results of the research on the problem-solving abilities of students based on the Polya problem-solving stage, students who are at level 0 can understand the problem but have not been able to carry out the other Polya-solving stages. Students at level 1 can understand the problem and develop a settlement plan but have not been able to carry out the other stages of Polya solving. Students at the level can understand the problem, develop a settlement plan, and carry out a settlement plan but have not been able to re-examine. It shows that the higher the van Hiele thinking level of the students, the better their problem-solving abilities will be.

Students response toward development of e-module in physics material on respiratory system Desy Purwasih; Erfin Novianti; Jumadi Jumadi
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 aim is to determine the student's response to the Physics E-module material on the respiratory system. The type of research used is Research and Development (R&D). The number of samples was 31 students of class VIII Junior High School 1 Mantewe using the purposive sampling method. The data collection instrument was a student response questionnaire with aspects of perception, belief, and participation. The average results of each study were 3.6, 3.5, and 3.5. The overall average is 3.5, with a very good category. The results showed that all electronic modules were suitable for academic users, as evidenced by students' positive responses to the developed E-modules.

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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

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Abstract

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