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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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Examining the Validity of Inquiry-Based Biology Learning Tools in Fostering Critical Thinking Ability Suputra, Gusti Ketut Alit; Rafika, Rafika; Palliwi, Effendi Dg; Nuraini, Nuraini; Khairunnisa, Khairunnisa
Jurnal Penelitian Pendidikan IPA Vol 9 No 6 (2023): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i6.4538

Abstract

Critical thinking skills are essential skills of the 21st century which are very important for students to master. Unfortunately, some research results show students' low critical thinking skills. One important component that supports the teaching of critical thinking for students is learning tools. The results of the preliminary study show the lack of learning tools that are oriented towards students' scientific activities so that it is suspected to be the cause of students' low critical thinking skills. This study aims to evaluate the validity of inquiry-based biology learning tools that can explicitly be used to teach critical thinking skills. This research is descriptive-evaluative research because it only evaluates the results of expert judgment on the validity of the developed learning tools. Two validators with professor qualifications were involved in this study to evaluate the validity of the product using the validation sheet instrument. The results showed that the learning tools developed in the form of lesson plans, learning materials, student worksheets, and critical thinking ability tests were generally stated to be valid (score = 3.65) and reliable (score = 0.93) used to teach students' critical thinking skills in system teaching materials Respiratory. Further research related to the practicality test and the effectiveness of the resulting device needs to be carried out in further research
Implementing Guided Inquiry-Based Biology Learning Tools to Enhance Students' Critical Thinking Skills Ali, Ali; Rafiqa, Rafiqa; Palliwi, Effendi Dg; Nuraini, Nuraini; Rahmadiani, Rahmadiani
Jurnal Penelitian Pendidikan IPA Vol 9 No 6 (2023): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i6.4541

Abstract

The implementation of biology learning in high school focuses more on mastering concepts and minimal processes. This can be seen from the tendency of teachers to use more teacher-oriented learning. This condition also occurs in SMA Negeri 4 Palu, causing low students' critical thinking skills. This study aims to implement guided inquiry-based biology learning tools to improve students' critical thinking skills on the respiratory system material. This research is a quantitative descriptive research with one group pretest-posttest design. This research involved 30 students of class XI SMA Negeri 4 Palu. The learning tools implemented in this study are lesson plans, student worksheets, and learning materials. Test instruments in the form of multiple choices and descriptions are used to measure cognitive learning outcomes and students' critical thinking skills. The implementation of learning and student learning activities were also identified in this study using observation sheets carried out by 2 observers. Data were analyzed descriptively using the n-gain equation. Based on the results of the study it was found that (a) the implementation of learning was good (3.6); (b) The frequency of activities that stand out is that they can improve students' critical thinking skills (c) positive student responses (82); (d) students' critical thinking skills increased (N-gain; 0.76 with high criteria). Based on the results of the study it can be concluded that the guided inquiry learning model can improve the critical thinking skills of class XI students at SMA Negeri 4 Palu
The Influence of Problem Based Learning (PBL) Model on Students Learning Outcome Susilawati Susilawati; Aris Doyan
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.4587

Abstract

This study aims to determine the effect of problem based learning models assisted by PhET simulations on student learning outcomes in wave material. This research is a type of quasi-experimental research with nonequivalent control group design. The population in this study were all students of class XI MAN 1 Mataram. The research samples were students in class XI MIPA 3 with a total of 31 people as the control class and students in class XI MIPA 4 with a total of 29 students as the experimental class. The test instrument used is in the form of multiple choice questions. The results of the analysis show that the average score of physics learning outcomes in the psychomotor domain in the experimental class is 3.43, while for the control class the average value is 3.06. Analysis of physics learning outcomes in the affective domain of the experimental class was 3.34, while for the control class the average value was 3.13. The results of the questionnaire analysis of student responses in the experimental class obtained an average of 63.63. The results of testing the hypothesis using the t-test obtained a tcount of 6.45 and a ttable of 2.00. Thus the value of tcount is greater than ttable then Ha is accepted and H0 is rejected. This means that there is an influence of the problem-based learning model assisted by PhET simulations on student learning outcomes in wave material.
Analysis of River Water Quality Based on Pollution Index Water Quality Status, Lombok District, NTB Supardiono Supardiono; Gito Hadiprayitno; Jono Irawan; Lalu Adi Gunawan
Jurnal Penelitian Pendidikan IPA Vol 9 No 3 (2023): March
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i3.4591

Abstract

Leneng River is one of the rivers in Praya City, Central Lombok Regency, which receives domestic, agricultural, and household industrial waste. Various community activities along the banks of the Leneng River have affected river water quality. Some communities on the banks of the Leneng River, from upstream to downstream, still use river water for their daily needs. This study aims to 1) analyze the water quality of the Leneng River in terms of environmental parameters (Physical, chemical, and biological) and 2) Determine the level of pollution of the Leneng River water using the Pollution Index (IP) method. River water quality measurements were carried out at 3 (three) sample points. Parameters measured and observed were physical parameters, namely Total Solid Suspend (TSS); chemical parameters, namely pH, Total Phosphate (T.PO4), Biological Oxygen Demand (BOD), Chemical Oxygen Demand (COD), Dissolved Oxygen (DO), and biological parameters namely Total coliform and Fecal Coliform. This type of research is survey research with a quantitative descriptive approach. The results showed that the TSS value at sample point 1 (upstream) exceeded the required quality standard; the highest TSS concentration value was 54 mg/L, and the lowest at sample point 2 (middle section) was 2.50 mg/L. Value parameter concentration pH 7.7-8.7, T.PO4 value 0.05 mg/L-0.29 mg/L, BOD value 0.17-0.42 mg/L, COD concentration value 8 mg/L -9mg/L, and DO value of 6.07 mg/L-7.57 mg/L, this shows that the concentration for chemical parameters still meets the class I water quality standards according to PP 22 of 2021, while the total coliform parameter value and Facel coliform have exceeded class I water quality standards. The total coliform concentration value is 10,000 - 20,000 MPN/100 mL, and the Fecal coliform value is 600 MPN/100 mL – 2,500 MPN/100 mL, while based on the Pollution Index (IP) quality status water in the upstream with a value of 2.84, the middle part of 1.97, and the downstream part of 2.84, this shows a decrease in water quality from upstream to downstream of the river, with a level of pollution in the lightly polluted category.
Medicinal Plant Used by Indigenous People Namely Suku Anak Dalam (SAD) in Nyogan Village Jambi Province Upik Yelianti; Muswita Muswita; Dara Mutiara Aswan
Jurnal Penelitian Pendidikan IPA Vol 9 No 2 (2023): February
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i2.1008

Abstract

Medicinal plants have long been known and used by the people of Indonesia and are still used today because they rarely cause side effects. One community that still uses plants as traditional medicine is the Suku Anak Dalam (Anak Dalam Tribe) (SAD) which lives in Nyogan Village, Mestong District, Jambi. As a result of the land use change in Jambi, where the forest has shifted to oil palm plantations, the forest as a habitat for medicinal plants is also decreasing, and there is even a concern that there will be a loss of germplasm. This research aimed to find out medicinal plants used by SAD in traditional medicine. This research is qualitative research with in-depth interviews and observation to collect data. The results showed that there were about 17 plants used as traditional medicine by SAD in Nyogan Village. Of the 17 plant species, four plant species were classified rare, namely Mampat wood (Cratoxylum arborescens (Vahl.) Blume), Putat wood (Planchonia valida [B.]), Brumbung wood (Adina minutiflora Val; Pertusadina spp), Bulian wood (Eusideroxylon zwageri L.). The parts of the plant that are often used for traditional medicine are bark, leaves, and plant roots, as internal medicine (oral) and external medicine. The results of this research provide an overview of medicinal plants that are still used by SAD so that they can be preserved in the future
Pengembangan Media Pembelajaran Berbasis Google Sites pada Materi Ikatan Kimia Bermuatan Multi Level Representasi Kimia Danin, Veni Jumila; Kamaludin, Agus
Jurnal Penelitian Pendidikan IPA Vol 9 No 9 (2023): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i9.1552

Abstract

Website-based online learning media are needed by students to make it easier to understand multilevel representations of chemistry during the COVID-19 pandemic. This study aims to develop learning media based on google sites on chemical bonding material containing multilevel chemical representations and determine product quality. This media development adapts the 4-D development model, consisting of four stages: define, design, development, and disseminate. Quality assessment was carried out by material experts, media experts, chemistry teachers, and students responded. The research instrument was a product quality assessment sheet and student response sheets. The results showed that the quality of the media developed based on the assessment by the media obtained an ideal percentage of 97.5% in the excellent category, material experts obtained an ideal percentage of 85% in the excellent category, and chemistry teachers obtained an ideal percentage of 97% in the excellent category. Learning media based on google sites on chemical bonding material containing multilevel chemical representations also responded positively with a percentage of 93.75%. It can be concluded that the developed media is suitable for use in the learning process to improve students' multi-representation abilities on chemical bonding material.
Pengaruh Pendekatan Etnosains melalui Model Problem Basedlearning terhadap Kemampuan Literasi Sains Padamateri Larutan Penyangga Aulia Sanova; Affan Malik; H.R Yuniarccih S
Jurnal Penelitian Pendidikan IPA Vol 9 No 7 (2023): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i7.1612

Abstract

The aim of this study was to see the impact of the ethnoscience approach with a problem-based learning model on students' scientific reading skills of buffer solution material in class XI SMA. N 3 Jambi City. The approach used in this study is a quantitative one using a quasi-experimental design with a pre-test design for a first group to test first. The instrument used in this study was an essay test consisting of 9 questions and an assessment tool for student activities as supporting data. The results of the data analysis show that the use of an ethnographic approach with a problem-based learning model has an effect on students' scientific reading skills, as shown by an increase in the average results. average of the test before and after the test, i.e. 51.4% - 76.4%. Based on the obtained data, the result of tcount calculation is 10,4264 and t-table is 2.1098 with actual level = 5%.  
Synthesis and Characterization of Biodegradable Plastic from Tropical Marine Microalgae Navicula sp. TAD01 Telussa, Ivon; Tanasale, Matheis F.J.D.P; Madja, Ali Ridho Arif
Jurnal Penelitian Pendidikan IPA Vol 9 No 9 (2023): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i9.2107

Abstract

The use of plastics made from petrochemicals has a bad environmental impact. One of the efforts to overcome this is using microalgae Navicula sp. as a raw material for making biodegradable plastics. Navicula sp. TAD01 is a type of marine microalgae that is spread Inner Bay of Ambon and can be used to manufacture biodegradable plastics. In this study, biodegradable plastic was synthesized from the biomass of Navicula sp. TAD01, characterization and degradation test. The method used in this research includes three stages. Navicula sp. TAD01 cells were grown in the first stage to obtain biomass. The second stage is making biodegradable plastic from the biomass of Navicula sp.  TAD01. The last step is to characterize biodegradable plastics and perform a degradation test. Cultivation of Navicula sp. TAD01 obtained dry biomass of 6.4398 grams, with a productivity value of 0.0524 gL-1h-1. The biodegradable plastic made has a slippery texture and a greenish opaque color with a thickness of 0.05 mm. It has tensile strength and elongation values at break of 1.36 MPa and 30.7%, respectively. The results of the analysis of the biodegradation test on this biodegradable plastic film have a mass loss percentage value of 85.27% with an immersion time of 10 days. This shows that Navicula sp TAD01 has the potential to be used as an ingredient in the manufacture of biodegradable plastics that can degrade well
Development of Wood and Pulp Chemicals in Wood Sub Materials and Fiber Morphology as Teaching Material Supplements Ressa Maria Lestari; Christa Rieza; Ayu Agustin; Sanjaya; Andi Suharman; Muhammad Hadeli; Diah Kartika Sari; Eka Ad’hiya
Jurnal Penelitian Pendidikan IPA Vol 9 No 7 (2023): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i7.2253

Abstract

This development research aims to develop wood and pulp chemicals in wood and fiber morphology as supplementary teaching materials for students of the Chemical Education study program at Sriwijaya University using the 4STMD (Four Step Teaching Materials Development) method. The steps of the 4STMD method, namely the first stage is the selection stage, carried out by analyzing needs, curriculum and analyzing the material by looking for references in various sources. The second stage, namely the structuring stage, is carried out by adding or subtracting material and compiling the material. The third stage is the characterization stage, carried out by developing the results of material analysis. The fourth stage is the didactic reduction stage, but the researcher did not carry out the didactic reduction stage. Data collection techniques used in the form of interviews, pre-research questionnaires and validation questionnaires. In the material validation test, the validity of teaching materials was obtained based on the Aiken coefficient of 0.75 which was categorized as high. Based on these results, it shows that the development of wood and pulp chemicals in wood sub-materials and fiber morphology has met the valid criteria.
Development of Problem-Based Learning-Based E-Modules Using Adobe Flash Professional CS6 Auliani Arafah; Moralita Chatri; Abdul Razak; Violita Violita
Jurnal Penelitian Pendidikan IPA Vol 9 No 1 (2023): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i1.2332

Abstract

Based on data analysis from observations and interviews with science teachers at SMPN 22 Padang, it can be seen that the student learning process is still passive, and students' interest and motivation in learning are still lacking. Textbooks are the main teaching materials used by both teachers and students. These problems make it difficult for teachers to carry out the learning process, causing students to have difficulty understanding the learning material. This study aims to produce an e-module based on problem-based learning using Adobe Flash Professional CS6 which is valid, practical, and effective for class VIII SMP students. This type of research is design and development research that uses the Plomp development model. The research data were obtained from validity, practicality, and effectiveness tests. Based on the results of the study, showed that the e-module based on problem-based learning had a validity value of 84.24% with very valid criteria based on the validator's assessment. The results of the practicality assessment by the teacher are 90.68% and the results of the practicality assessment by the students are 87.72% with very practical criteria. Problem-based learning-based e-modules that have been developed have effectiveness with very effective categories in terms of competency assessment in the cognitive domain, affective domain, psychomotor domain, and student learning activities

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