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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.
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Articles 83 Documents
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Search results for , issue "Vol. 8 No. 3 (2022): July" : 83 Documents clear
Orchid Exploration in the Forest of Saenam Village as Nuftah Plasma Conservation Ni Putu Yuni Astriani Dewi; Maria Yustiningsih; Maria Paulin Saridewi
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 3 (2022): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i3.1409

Abstract

This research was conducted with the aim of determining the types of orchid species in the Saenam Protected Forest, North Middle East Regency, East Nusa Tenggara Province. The Saenam Protected Forest has an area of ±10 km2, has biodiversity, including orchids. One of the information regarding the orchid inventory in Timor Mainland, especially in the Saenam Protection Forest, North Middle East Regency has never been reported. It is necessary to carry out this exploratory research as a basic data of the existing biological resources in the location. The research was carried out in July-September 2021. Sampling was carried out by purposive sampling with sampling using a plot method measuring 10 x 40 m. The distance of each plot is 10 m with the total number of plots in this study is 10 plots. The results showed that the types of orchids found in the Saenam Protection Forest were 9 genera of orchids. All orchids found in this study belong to the type of epiphytic orchid. The dominant orchids in this research area are Pholidota globusa, Dendrobium smilliae var. alba, and Dendrobium smilliae. The types of host trees found in the orchids were Pine and Forest Water Guava
Study of STEM Based on Local Wisdom in Hoening Science Process Skills in the 21st Century Era Latifatun Mukaromah; Ali Mustadi; Ana Nisa
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 3 (2022): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i3.1445

Abstract

The purpose of this study was to examine the topic of STEM based on local wisdom in honing science process skills in the 21st century era. This study used a literature review research design. The population of this article is 100 journals found both internationally and nationally. The sample of this article is 15 journals found based on criteria with 10 international journals and 5 national journals. The results of this study are STEM learning based on local wisdom can increase creativity, critical thinking, process skills, and can train students for skills in Indonesia. The conclusion of this study is that STEM learning based on local wisdom can be an alternative in honing process skills in the 21st century era.
Profile of PBL Model Assisted by Digital Books to Improve Problem Solving Ability of High School Students on Dynamic Fluids Nova Allysa Qotrunnada; Binar Kurnia Prahani
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 3 (2022): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i3.1451

Abstract

This research was conducted with the aim of analyzing the problem-solving ability profile of high school students as a consideration in applying the Problem Based Learning (PBL) model based on digital books on Dynamic Fluids. The survey method used is a preliminary survey method. Data collection techniques for written exams, questionnaires, and interviews with teachers and students. This research was conducted in Gresik district with a total of 143 high school students from 5 classes in class XI, there were 78 boys and 67 girls. This study was conducted in the even semester of 2020/2021. Written test data were analyzed descriptively qualitatively. From the results of research based on problem-solving abilities that were tested on 143 students in the low category with a range of 0-40 as many as 133 students consisting of 76 men and 58 women. Medium category with a range of 41 – 70 as many as 9 students consisting of 0 boys and 9 students. While the High category with a range of 71 - 100 as many as 1 student, namely 1 female. Applying PBL techniques will improve students' problem-solving skills. Therefore, it can be concluded that in order to improve students' problem-solving skills, they need updates in learning, such as the application of an attractively packaged PBL learning model that is adapted to the current learning era
Penjaminan Kualitas Pengukuran Tegangan dari Multifunction Calibrator sebagai Standar Pengukuran di Badan Standardisasi Nasional (SNSU-BSN) Nibras Yayienda; Retno Wigajatri Purnamaningsih
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 3 (2022): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i3.1467

Abstract

Based on ISO 17025: 2017 clause 7.7, SNSU BSN as the peak of traceability must have quality assurance for measurement results, this is in line with the peer review result of Electrical Laboratory in 2017 and 2019 that suggest doing an intermediate check to support the quality of the measurement results issued by the Electrical Laboratory of SNSU – BSN. The method used method in this research is intermediate check including establishing the control line from the initial data and examining it every month over the year. The out-of-control measurement result will be analyzed more deeply using F-test and T-Test. The result of this test will be the basis of control line updating. The measurement points used are 100 mV, 1 V, 10 V, 100 V, and 1000 V. Over the year, there is no updating in the control line for 100 mV, 1 V, and 10 V because there is no out-of-control measurement result. Besides, there are 2 times control line updating for each 100 V and 1000 V because of artifact movement and drift. Even though it has been updated repeatedly, the last formed control line and the distribution of all data are still in the control line formed by the manufacturer's specifications.
PENGARUH APLIKASI KAHOOT SEBAGAI MEDIA PEMBELAJARAN TERHADAP HASIL BELAJAR PESERTA DIDIK PADA MATERI GETARAN GELOMBANG Kahoot merupakan aplikasi media pembelajaran bersama di kelas dengan bantuan koneksi internet yang bersifat sederhana namun bisa menyena Cut Rosi Dyanti; Hafnati Rahmatan; A Halim; Muhammad Syukri; Elisa Elisa
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 3 (2022): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i3.1476

Abstract

Kahoot is a shared learning media application in the classroom with the help of an internet connection that is simple but can be fun for students in improving the learning outcomes of the digital generation. The instrument used is in the form of choice questions to measure learning outcomes. Learning outcomes were analyzed using independent sample t-test based on the acquisition of N-gain. Testing the hypothesis of an increase in learning outcomes has tcount = 5.194 > ttable= 2.048 with a two-sided significance value (Sig. 2-tailed) smaller than = 0.05, i.e. 0.000, meaning that there is a significant difference in student learning outcomes in the control and experimental classes, then on the learning outcomes Ha is accepted and Ho is rejected. The difference in learning outcomes is significant, indicating the influence of the Kahoot application as a learning medium on student learning outcomes. The results of data analysis showed that the increase in student learning outcomes in the experimental class using the Kahoot application increased more than the control class without using the Kahoot application
Validity and Practicality of Chemical Equilibrium Electronic Student Worksheets Based on Guided Discovery Learning to Increase the Critical Thinking Ability Sonya Frisilla; Hardeli Hardeli
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 3 (2022): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i3.1481

Abstract

Chemical equilibrium is an abstract chemical material that includes concepts and calculations. The purpose of this study was to develop and produce chemical equilibrium electronic student worksheets based on guided discovery learning to improve students’ critical thinking skills and fulfill the criteria for validity and practicality. This research and development use the Plomp model which consist of three stages, namely the preliminary research phase, prototyping phase, and the assessment phase. The validity and practicality of the teaching materials developed were obtained through research instruments in the form of validation and practicality questionnaires. Validation was carried out by 6 material expert validators and three media expert validators while practicality was carried out by 40 students of 11thgrade high school students and three chemistry teachers. The data analysis technique used is Aiken’s V technique for validity and the percentage technique for practicality. The results of the analysis of the material expert validation and media expert validation data based on the average Aiken’s V value showed a result of 0.84 and 0.89 with a very valid category. The results of the practicality of the electronic student worksheets were 84.87 and 92.11 with a very high category
Isolation of Lipase from Candlenut Seeds and Its Immobilization in Polyacrylamide Gel Zella Yaumin Nasry; Nyoman Maya Krisnawati; Erin Ryantin Gunawan; Jannatin ‘Ardhuha; Agus Abhi Purwoko; Lalu Rudyat Telly Savalas
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 3 (2022): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i3.1483

Abstract

In general, lipase enzymes are used in the form of free lipase enzymes which can only be used once and are less effective, so that their use is costly. Therefore, to maximize the use of the lipase enzyme, immobilization of the enzyme that allows multiple use is a choice. The purpose of this study was to determine the activity of the candlenut (Aleurites moluccana (L.) Wild) lipase in its free form and in immobilization form. The stability of the immobilized lipase enzyme with repeated use was also investigated. The enzyme was immobilized by trapping method using polyacrylamide gel. The immobilized lipase enzyme was characterized to determine its stability after repeated use with various gel concentrations. The crude extract of the lipase of candlenut seed sprouts had an activity of 2.32 U/mL, whereas the activity of the immobilized lipase enzyme in polyacrylamide gel at concentrations of 6%, 8%, and 10%, were 2.133; 2,259; and 2,311 U/mL, respectively. The optimum temperature for the immobilized lipase enzyme was 30 oC and the optimum pH was 7.5. After five time us usage, the immobilized enzyme showed activities of 49.49%, 72.60% and 86.53%, for 6%, 8% and 10% polyacrylamide gel, respectively. These results indicate that the immobilized lipase enzyme from seed sprouts of candlenut (Aleurites moluccana (L.) Wild) by trapping method using 10% polyacrylamide gel can maintain its stability after five times of use
Pre-Service Elementary Teacher in Global Warming and Environmental Health Issue: Attitude in Natural Science Learning Ilmi Zajuli Ichsan; Rika Sa'diyah; Nur Fadli Hazhar Fachrial; Ainur Rosyid; Rosa Susanti
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 3 (2022): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i3.1485

Abstract

Pre-service elementary teachers’ attitude in supporting the achievement of the ecosystem and environmental balance is necessary to implement. Most global warming topic taught in natural science learning has yet to be based on environmental orientation. This research purpose was to analyze pre-service elementary teachers’ attitudes in preventing global warming and environmental health issue. The research uses a descriptive method with the data collection technique of the survey. The research samples include 239 students of the Department of Elementary Teacher Education in Jakarta, Bogor, Depok, Tangerang, Bekasi (Jabodetabek) area. These students are pre-service elementary teachers. Data analysis used is by comparing the average score of each item and indicator. The research result indicates that the average score for attitudes is 87.33 suggesting that the attitude score is relatively high. The attitudes, however, have not been fully implemented in the form of attitudes to prevent global warming and environmental health issue.  Natural science learning plays a prominent role in providing understanding related to global warming. The research results also recommend the application of more applicable lecture activities to the pre-service elementary teachers to improve the pre-service teacher attitude in natural science learning. The research concludes that the score of the pre-service elementary teachers’ attitudes is within a high category
Pengujian Validitas dan Reliabilitas Instrumen Konsepsi Pembelajaran Kimia pada Masa Pandemi COVID-19 Menggunakan Pemodelan Rasch Alusti Cundo Manik; Hari Sutrisno; Ifan Rivaldo
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 3 (2022): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i3.1486

Abstract

This study aims to determine the validity and reliability of students' conception of chemistry learning instruments during the Covid-19 pandemic using Rasch modeling. The developed instrument consists of 24 items tested on 150 students from 3 selected schools classes X, XI, and XII MIPA State Senior High School in Tuban Regency for the 2021/2022 academic year. Two experts tested the content validity of the instrument while the construct validity and item reliability used the Rasch model with Winsteps Rasch software version 3.73. The analysis of the Rasch model used is in the form of item and person separation and reliability, correlation and point measure, Item fit, item rating scale functionality and unidimensionality. The results obtained indicate that the conceptual instrument for chemistry learning that has been developed is valid and reliable. However, the COLS4, COLS6, and COLS11 items are invalid and should be revised or removed
Meningkatkan Hasil Belajar Siswa melalui Pengembangan Perangkat Pembelajaran Berbasis Quantum Learning Pada Materi Hidrokarbon dan Minyak Bumi Muhammad Fakhrurrazi; Mohammad Masykuri; Sarwanto Sarwanto
Jurnal Penelitian Pendidikan IPA Vol. 8 No. 3 (2022): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v8i3.1495

Abstract

The study aims to develop a quantum learning-based learning instrument on hydrocarbon and petroleum; determine the feasibility of quantum learning-based learning instrument on hydrocarbon and petroleum, and determine the effectiveness of quantum learning-based learning instrument on hydrocarbon and petroleum to improve student's learning outcomes. This type of research is research and development (R&D) using the ADDIE model (analysis, design, development, implementation, and evaluation). The product developed consists of a syllabus, lesson plans, teaching materials, and assessment instruments. The validation results were analyzed using Aiken's validation obtained a validity coefficient of more than 0.80 or categorized as valid and suitable for use. The effectiveness test results were analyzed using SPSS22 obtained t-count > t-table, so it could conclude that quantum learning-based learning tools on hydrocarbon and petroleum materials were effective for improving student learning outcomes.

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