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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 25 Documents
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Search results for , issue "Vol. 7 No. 2 (2021): April" : 25 Documents clear
Development of a PjBL Model Learning Program Plan based on a STEM Approach to Improve Students' Science Process Skills Muhammad Syukri; Dewi Agusti Yanti; Elmi Mahzum; Abdul Hamid
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 2 (2021): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i2.680

Abstract

The purpose of the research is to developing Learning Program Plan (LPP) with a PjBL model based on the STEM approach to improve the students’ science process skills in physics learning. This research refers to the development of ADDIE, namely: 1) Analysis, 2) Design, 3) Development, 4) Implementation and 5) Evaluation. The worthiness of the Learning Program Plan is measure by the result of the Learning Program Plan validation and the responding of the subject is 7 teachers. The result of all the Learning Program Plan showing average value is 4, that is the valid category.  The research design used in the study is Research and Developing (R&D). The research subject is 3 physics teachers at SMA Negeri 5 Banda Aceh, 1 physics teacher at SMA Negeri 1 Lawe Alas, 1 physics teacher at MA Negeri 1 Aceh Tenggara, and 2 physics teachers at SMA 3 Kutacane. Data of the research are questionnaires that are given to the teacher. Data management is carried out by Statistik analysis Likert scale. Questionnaire of the result showed until 89%. From both measures are found the development of Learning Program Plan model PjBL that teacher assessment result to Learning Program Plan with an average score 4.45  with the overall percentage based STEM approach to improving science process student skills in physics learning.
The Effect of Type and Duration of Seed Storage on Sugarcane Growth Parnidi Parnidi; Rully Hamida
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 2 (2021): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i2.579

Abstract

Sugarcane propagation is mostly done by stem cuttings aged 5 to 8 months. Sugarcane seeds in the form of stalks have limited storage capacity, the germination of seeds will decrease rapidly if the seeds are stored for too long time. The high weight and volume for the use of sugarcane seeds is one of the limiting factors if planting is to be carried out far from the seed breeding place. The purpose of this study was to determine the effect of the type and storage time of sugarcane seeds on the growth of sugarcane.The research was conducted at the Karangploso Experimental Garden Balittas in January-December 2016. The research was carried out in the field using a divided plot design with 3 replications. The main plot is the type of seed, namely B1 (bud sett) and B2 (bud chip). As subplots are the storage time P0 (without storage/control), P1 (24 hours storage), P2 (48 hours storage), and P3 (72 hours storage). The results showed that the germination power of bud set did not decrease significantly. The increase in germination and first count germination was noticeable at 24-72 h storage compared to control. The percentage of bud chip seed germination rate decreases with increasing storage time. In the polybags phase, the growth of bud sett seeds is faster than bud chip seeds. The growth of 3 months old plants after transplanting the number of seedlings of bud sets and bud chips was not significantly different. The variables of plant height, stem diameter and number of internodes were significantly different. All the observation variables at the age of 6 months showed no significant difference between bud set seeds and bud chip seeds.
Development of Guided Inquiry Model Tools Assisted Palm Fiber Composite Media in Sound Wave Material Selviana Haerani; Aris Doyan; Muhammad Taufik
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 2 (2021): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i2.562

Abstract

This study aims to determine the feasibility, practicality, and effectiveness of the development of inquiry model learning devices guided by palm fiber composite media in sound wave material. The research method used is the research and Development (R&D) method with a 4D model consisting of definition, design, development, and dissemination stage.  Learning tools developed in the form of syllabus, Learning Implementation Plan (RPP), Learner Worksheet (LKPD), test instruments, palm fiber composite media, and learning video. Validation results show the learning device components in the category are so valid that they are feasible for use in learning.  Reliability of syllabus, Learning Implementation Plan (RPP), Learner Worksheet (LKPD), test instruments, palm fiber composite media, and learning video above 75% show all components assessed to be in the reliable category. The results of teacher response, student response, and learning implementation are in the very practical category. Learners' learning outcomes increased with a gain of 0.63 in the medium category. Based on these results, it can be concluded that the learning device of the guided inquiry model assisted by palm fiber composite media in sound wave material is feasible, practical, and effective.
The Impact of Handbooks on the Concept Understanding and Learning Interests of Students on the Concept of Reaction Rate Zulham Handayani; A. Halim; Ibnu Khaldun
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 2 (2021): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i2.628

Abstract

This study aims to determine the impact of pocket books on conceptual understanding and student interest in learning. The research method used is quasi experimental using the nonequivalent control group design. The population in this study were students of class XI MIPA SMA Negeri 1 Jaya. The number of samples consisted of 60 people, each class consisting of 30 students. The research instruments used were test questions and questionnaires. The data analysis technique used the conceptual understanding through the N-Gain test and the independent sample t-test, while the interest in learning used the percentage formula. The results of the N-gain test for understanding the concept obtained that the average experimental class was higher than the control class, each class belonging to the criteria for moderate improvement. The results of the independent sample t-test showed that there was a significant difference between the students' conceptual understanding of the experimental class and the control class. The results of interest in learning from each subscale: family support, teacher influence, and learning experience in class in the experimental class obtained a very high category. Meanwhile, on the subscale the attitudes of friends towards chemistry learning and the influence of informal learning were high. For the control class, the category obtained on the family support subscale is high, while the subscale for friends' attitudes towards chemistry learning, teacher influence, informal learning experiences, and classroom learning experiences is in the moderate category. The average percentage of learning interest in the experimental class was obtained in the very high category, while the control class was in the medium category. The conclusion of this study is that the impact of using pocket books on chemistry learning can improve students' understanding of concepts and interest in learning
The Effectiveness of Learning Tools Using the 5E Learning Cycle Model to Improve Mastery of Concepts and Generic Science Skills Ihda Shoumi Nurdini; Suyatno Sutoyo; Pirim Setiarso
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 2 (2021): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i2.672

Abstract

This study aims to determine the effectiveness of learning devices using the 5E learning cycle model to improve students' mastery of concepts and generic science skills in electrolyte and non-electrolyte solutions. This research is a type of pre-experimental research with one group pretest-posttest design research design. The research subjects were 21 students of class X MIPA-1 MA YKUI Maskumambang, Gresik, East Java. The methods used in data collection include validation and tests. The research data were analyzed descriptively and the n-gain analysis was used to determine the increase in students' mastery of concepts and generic science skills. The results showed: (1) students' mastery of concepts in electrolyte and non-electrolyte solutions was 0.8 with high criteria; (2) The average score of the students' mastery of concepts on electrolyte and non-electrolyte solutions was 89; (3) Increasing students' generic science skills on electrolyte and non-electrolyte solution material by 0.8 with high criteria; and (4) The average value of generic science skills for observation skills is 96 with predicate A. Based on the results of this study, it can be concluded that the learning device using the 5E learning cycle model is effective in improving students' mastery of concepts and skills in electrolyte and non-electrolyte solution material
Phytochemical Screening and Activity Test of Antioxidant Ethanol Extract of Buni Leaves (Antidesma bunius L. Spreng) Using DPPH Method Dewa Ayu Puspaning Kumaradewi; Windah Anugrah Subaidah; Yayuk Andayani; Ali Al-Mokaram
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 2 (2021): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i2.675

Abstract

Research on phytochemical screening and antioxidant activity testing of the ethanol extract of buni leaves (Antidesma bunius L. Spreng) has been carried out. This study aims to identify secondary metabolite compounds contained in buni leaf plants to see the activity of the ethanol extract of buni leaves using the DPPH method. Buni leaves were extracted in 96% ethanol by maceration method, then evaporated using a rotary evaporator. The results of thick extract were screened for phytochemicals such as phenolics, tannins, flavonoids, saponins, alkaloids, steroids and terpenoids using a qualitative color test method and carrying out antioxidant activity using a UV-Vis spectrophotometer with Vitamin C as a comparison. The results showed that the ethanol extract of buni leaves contained phenolic compounds, tannins, flavonoids, saponins, alkaloids, steroids and terpenoids as well as IC50 Vitamin C of 5.22 ppm which is classified as a very strong antioxidant, while the IC50 of buni leaves ethanol extract is lower at 61, 8 ppm which is classified as a strong antioxidant
Analysis of Internet Media Use of Student Biology Learning Interest During COVID-19 Sabrina Nuraisyah; Risma Delima Harahap; Dahrul Aman Harahap
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 2 (2021): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i2.624

Abstract

The purpose of this study is to find out the influence of internet media on students' learning interests in State Senior High School 2 South Rantau during Covid-19. Internet media has a very important role to foster students' learning interest during COVID-19. This research is qualitative descriptive research where the data source of this research is students. The tools used in collecting data are questionnaires and documentation. The sampling techniques used in this research are purposive. Samples from this study were students of grade XII Science-1 and XII Science-2, each class of 32 students. The results of the poll for learning interests showed that the utilization of internet media is in a high category of 52.3%. Interest in utilizing internet media to learn is in a very less supportive category of 32.5%. Students' desire to learn was in the less good category of 8.7%. Student involvement in learning is in a very supportive category of 6.5%. The results of this study show that there is a positive and negative impact of internet media on students' learning interests
Continuous Development and Cultivation of Soybean as A Result of Multigamma Irradiation through Final Purifying Method Bartholomeus Pasangka; Irvandi Gorby
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 2 (2021): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i2.611

Abstract

Soybean was the first legumes in Indonesia with production more decreased, while fulfill of public societies were increased. In order that, it was necessary developed and cultivated with technology application. The main problem investigated in this work was the continuous development of Soybean as a result of multi-gamma irradiation on the first year of research. On the second, third, and the fourth year of research, varieties of mutants were purified by carefully selection while growth of plant until to harvest. The selection type was individual selections. In the same time was done multi-locations test. This work obtained five variations of superior varieties of mutant after purifying, which production range about 3.58 -5.12 t/ha, and the total average production about 4.48 t/ha. Range production of initial variety about 1.96-2.61 t/ha and average production of initial (control) soybean about 2.40 t/ha. Percentage rate production of superior selected mutant variety after purifying about 46.47%
Students’ Conceptual Understanding through Implementation of LiveWire in Basic Electronics Virtual Experiment Muh. Makhrus; Wahyudi Wahyudi; Muhammad Zuhdi
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 2 (2021): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i2.705

Abstract

As a result of Covid-19, the learning system has changed towards online learning. Practicum activities encountered obstacles and had to be replaced by virtual experiments. This study aims to see the role of virtual experiments during online learning in basic electronics courses and to describe students' conceptual understanding. The subject in this study amounted to 56 students. The research data collection instrument used a conceptual understanding test. Data were analyzed by descriptive statistics This virtual experiment using the LiveWire application. The results showed that virtual experiments carried out during online learning were able to help students' practicum activities and most students had a high category understanding of concepts after learning. This shows that virtual experiments with LiveWire can be used as an alternative to assist practicum activities when doing online learning.
The Effect of Search, Solve, Create and Share Learning Models to Improve Students 'Critical Thinking Skills on Acid and Basic Titration Materials Siti Nur Arisa; Ibnu Khaldun; Safrida Safrida
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 2 (2021): April
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i2.625

Abstract

This study aims to determine the improvement of students 'critical thinking skills in the acid-base titration material and to know the description of students' responses to learning to search, solve, create, and share. This study used an experimental method, comparing the experimental group with the control group through the pretest-posttest design, carried out at MAN 1 Aceh Barat. The sample selection used purposive sampling technique. The study population was class XI-IPA for the 2019/2020 school year and the samples were class XI-IPA2 (experimental group) and XI-IPA6 (control group). Data collection was carried out by giving a pretest and posttest to determine the increase in critical thinking skills. The results showed that the experimental group had an increase in the critical thinking component focusing on indicator questions with an average N-gain percentage of 74.58% in the high category, while other critical thinking components experienced an increase in the moderate category. Based on the t test, the posttest value of the experimental and control groups has a significant difference with tcount 2.107> ttable 2.093. This difference is influenced by the search, solve, create, and share model of the acid-base titration material in the experimental group. Students gave positive responses to learning to search, solve, create, and share with a percentage of 81.7% with the interested category. So, it is concluded that learning the search, solve, create, and share model can improve students' critical thinking skills on acid-base titration material

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