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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 5,869 Documents
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SINTESIS BARIUM M-HEXAFERRITTE (BaFe12-xNixO19) DOPING LOGAM NIKEL DENGAN METODE KOPRESIPITASI Munib -; Susilawati -; Lalu Rudyat Telly Savalas
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 1 (2016): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i1.28

Abstract

Synthesis of Barium M-Hexaferrite (BaFe12-xNixO19) nickel metal doping have been done with co-precipitation method and its effect on temperature changes and substitution dopants. Basic materials used in the synthesis of BaCO3, FeCl3.6H2O, HCl, NH4OH and nickel metal. The process of synthesis of barium M-heksaferit conducted at the Faculty of Mathematics and Natural Sciences Analytical Laboratories Unram. This study used a variation of calcination temperature of 80, 400, 600 and 800°C for 4 hours with a variety of dopants 0; 0.4; 0.7 and 0.9. Synthesis results show that changes in the concentration of the dopant variables and calcination temperature indicate a tendency to change color to brown-black powder.Abstract: Barium Mhexaferrite, dopant, nickel, co-precipitation.
Validity of Assessment Attitude and Values System Based on Indonesian National Qualification Framework on Process Evaluation and Biological Learning Outcomes Siska Nerita; Annika Maizeli; Aulia Afza
Jurnal Penelitian Pendidikan IPA Vol. 6 No. 2 (2020): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v6i2.439

Abstract

In the subject of the Evaluation of Process and Outcome of Biological Learning (EPOBL), carried out by applying guided discovery methods and the use of handout based on guided discovery. Problems found in the lecture process are pre-existing assessments that are not in accordance with the lecture process with guided discovery methods that use handouts based on guided discovery. The purpose of this study is to produce an assessment based on the Indonesian National Qualifications Framework that valid in the EPOBL subject. This research is a development research using the Plomp model. The instrument used is a questionnaire validity assessment of attitude and values system. The data analysis technique uses the percentage formula. The results of the study showed that the value of the attitude and values system assessment was 95.83% with very valid criteria. It can be concluded that the assessment of attitudes and values system based on the Indonesian National Qualifications Framework in Process evaluation and biology learning outcomes is very valid
PENGARUH PENDEKATAN VAK (VISUALIZATION, AUDITORY, KINESTETIC) TERHADAP HASIL BELAJAR FISIKA SISWA SMPN 10 MATARAM TAHUN AJARAN 2013/2014 Siswadi -; Susilawati -; Hikmawati -
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 2 (2016): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i2.44

Abstract

This research aimed to examine the effect of VAK approach (Visualization, Auditory, Kinestetic) towards the result of learning physics of students at SMPN 10 Mataram in academic year 2013/2014. The kind of research used was experimental design with design of research was randomized posttest only control design. The sampling technique used was cluster random sampling. Population in this research was all the students from the eight grade at SMPN 10 Mataram, while the sample was 25 students of class VIII A as the experimental group and 27 students of class VIII B as the control group. The data obtained was analyzed by using t-test of two-tailed. t-count was 4.78 and t-table was 2.00 with significance level 0.05. Hence, t-table is smaller than t-count or t-count is bigger than t-table. It means that Null Hypothesis was rejected and Alternate Hypothesis was accepted. It means that the application of VAK Approach (Visualization, Auditory, Kinestetic) affects the results of learning physics of students.Keyword: VAK Approach
Validity of Ethnoscience Based Chemistry Learning Media Emphasizing Character Values and Conservation Behavior Rizki Utari; Yayuk Andayani; Lalu Rudyat Telly Savalas; Yunita Arian Sani Anwar
Jurnal Penelitian Pendidikan IPA Vol. 7 No. 1 (2021): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v7i1.469

Abstract

This study aims to obtain a valid chemistry learning device based on ethnoscience emphasizing character values and conservation behaviors. This study refers to the 4D model from Tiahgrajan, S. Semmel & Semmel which was modified into three stages, namely define, design, and develop. The chemistry learning kit that has been validated by three experts consisted of ethnics-based chemistry modules, lesson plans, student worksheets, and questionnaire sheets. The validity of chemistry learning devices was analyzed using the Aiken's V formula which was consulted to the criteria in the validity table. The results showed that the developed devices were appropriate for use in learning with an individual score of each component as follows: the implementation plan of learning got a score of 0.91 (very valid), the Chemistry module got a score of 0.91 (very valid), the student worksheet got a score of 0.89 (very valid), and the poll got a score of 0.72 (valid)
DEVELOPMENT OF LEARNING DEVICE OF EMPOWERMENT THROUGH THINKING NATURAL SCIENCE LEARNING IN ELEMENTARY SCHOOL Jamaluddin -; Agus Ramdani; Dadi Setiadi
Jurnal Penelitian Pendidikan IPA Vol. 4 No. 1 (2018): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v4i1.96

Abstract

The objectives of this study were to: (1) develop learning device for questioning empowerment thinking (PBMP) combined with cooperative strategies of TPS types and NHT types in science subjects in primary schools; (2) to know the different understanding of students' science concepts by applying the learning of PBMP, PBMP.TPS, PBMP.NHT and Conventional Strategy; (3) know the consistency of PBMP applications, PBMP.TPS, PBMP.NHT and Conventional Strategies. This research method: (1) research and development method to develop learning device; and (2) quasi experimental study to know the effect of applying learning tool to understanding student biology concept. To collect data using the science-biology concept test. Hypothesis test using covariance analysis technique (Ancova). The results of the research are: (1) This research produces learning device consisting of syllabus, PBMP learning plan, PBMP.TPS and PBMP.NHT. Learning device have the potential to improve understanding of science concepts in elementary schools in Mataram; (2) There is a significant difference in understanding the concepts of students following PBMP, PBMP.TPS, PBMP.NHT and conventional learning strategies
THE LEARNING TOOLS BASED ON THE REMAP TMPS MODEL (READING CONCEPT MAP TIMED PAIR SHARE) AND THE EFFECTIVENESS OF STUDENTS CRITICAL THINKING SKILLS Sariah Sariah; Jamaluddin Jamaluddin; Dadi Setiadi
Jurnal Penelitian Pendidikan IPA Vol. 4 No. 2 (2018): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v4i2.123

Abstract

This study aims to improve critical thinking skills through the application of science-based learning tools REMAP TMPS model ( Reading Concept Map Timed Pair Share ). The type of research was quasi experiment with One Group Pretest-Postest design . The population in this study were all students of class VII at SMPN 4 Pujut and SMPN 6 Pujut with sampling using purpusive sampling technique so that the samples taken are class VII-A at SMPN 4 Pujut and VII-B in SMPN 6 Pujut. instruments used to measure critical thinking skills in the form of answer-question as much as 10. The results showed the average N-gain class VII-A higher than class VII-B. This suggests that REMAP TMPS-based science learning tools has effective toword student critical thinking skills.
ANALISIS KANDUNGAN LOGAM BERAT Pb PADA SEDIMEN dan KERANG DARAH (Genus: Anadara) di PERAIRAN PANTAI LABUHAN TERENG KABUPATEN LOMBOK BARAT Meyla Fitri Handayani; Muhlis Muhlis; Erin Ryantin Gunawan
Jurnal Penelitian Pendidikan IPA Vol. 2 No. 2 (2016): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v2i2.204

Abstract

The aims of this research are to analyze the content of Lead in blood cockle (Genus: Anadara) at West Lombok Labuhan Tereng coastal waters. The content of lead in sediment and clams was analysis at Mataram University Analytical Laboratory by using wet digestion method and measured using atomic absorption spectrophotometer (AAS) in 283.3 nm wavelength. The results then compared with the sediments and clams standards applicable. Results of Pb in the sediment measurements show that the highest lead levels is 30.66 mg/kg found in around Dusun Cemara coast. The results obtained are still at the level targets under Dutch Quality Standards for Metals in sediments (IADC / CEDA), 1997. The highest Pb levels in blood clams is 13,075 mg/kg contained by a medium-sized (3.08 cm) of species A. antiquata around Kebon Talo estuary. These results are indicate that the levels of Pb in blood cockle is already distant exceeded the threshold of consumption under Indonesian National Standar, 2009 which is equals to 1.5 mg/kg, so the clams blood in coastal waters Labuhan Tereng should not be consumed greatly overheated because the accumulative character of Pb can be harmful for health.Keywords: Blood cockle, sediment, acumulation, lead
Aplikasi Pupuk Organik dan NPK untuk Meningkatkan Pertumbuhan Vegetatif dan Produksi Buah Terong Hijau Ahmad Raksun; Lalu Japa; I Gde Mertha
Jurnal Penelitian Pendidikan IPA Vol. 5 No. 2 (2019): July
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v5i2.188

Abstract

Abstract: Research has been conducted on the application of organic and NPK fertilizer to increase the growth and yield of green eggplant which aims to find out (1) the influence of organic fertilizer on vegetative growth and yield of Green eggplant, (2) the effect of NPK fertilizer on vegetative growth and yield of Green Eggplant, (3) the effect of interaction between organic fertilizer and NPK fertilizer on vegetative growth and yield of Green Eggplant. A Factorial design was used which consisted of 2 factors. The first factor is the dose of organic fertilizer and the second factor is the dose of NPK fertilizer. The treatment of organic fertilizer consists of 4 levels, namely: P0 = without giving organic fertilizer (control), P1 = giving 0.5 kg organic fertilizer /1 m2 land, P2 = giving 1.0 kg organic fertilizer /1 m2 land, P3 = giving 1.5 kg organic fertilizer/1 m2 land. NPK fertilizer consists of 5 levels namely: N0 = without NPK fertilizer (control), N1 = giving 5 gr NPK fertilizer/plant, P2 = giving 10 gr NPK fertilizer/plant, P3 = giving 15 gr NPK fertilizer/plant, P4 = giving 20 gr NPK fertilizer/plant. Growth parameters were stem height and length of green eggplant leaves. Yield parameters were fruit length and green eggplant fruit weight. Data were analyzed by using ANOVA. The results showed that the application of organic fertilizer has a significant effect on the growth and yield of green eggplant. The application of NPK fertilizer has a significant effect on the growth and yield of green eggplant. The interaction of organic fertilizer and NPK fertilizer did not significantly affect the growth and yield of green eggplant. Key Words: organic fertilizer; NPK fertilizer; growth and production of green eggplant.
Analisis Kemampuan Literasi Sains Siswa SMP pada Materi Sirkulasi Darah Siti Hardiyanti Hasasiyah; Bagus Addin Hutomo; Bambang Subali; Putut Marwoto
Jurnal Penelitian Pendidikan IPA Vol. 6 No. 1 (2020): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v6i1.193

Abstract

Science literacy is the ability to use scientific knowledge to identify questions, explain scientific phenomena that occur using contextual facts. The circulation theme is one of the themes of contextual learning that is very closely related to everyday life. This study aims to determine the scientific literacy skills of students in blood circulation material at the junior high school level. The research method used was descriptive qualitative with scientific literacy instruments in the form of tests with research subjects 38 students of SMP N 4 Belik class VIIID academic year 2018/2019. The results of this study indicate that students' literacy skills in the category are low. This can be seen from the aspect of identifying valid scientific opinions (58%), understanding the design elements of the research findings (24%), being able to solve questions based on scientific phenomena (32%), understanding and interpreting basic statistics (21%) and students able to make inferences, predictions, and draw conclusions based on data (39%). The value obtained by students is divided into four categories of values obtained by students, which are very low, low, sufficient, and high based on the results of research, the average literacy skills of students in the low category. The conclusion of this study is that the science literacy skills of junior high school students are low on aspects of understanding and interpreting basic statistics. Keywords: Science Literacy, Contextual, Blood Circulation
PENGUKURAN e/m elektron MENGGUNAKAN TABUNG TELEVISI (TV) DAN KUMPARAN HELMHOLTZ Elyakim N. S. Patty; Endiyas Waluyo; Liefson Jacobus
Jurnal Penelitian Pendidikan IPA Vol. 1 No. 1 (2015): January
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v1i1.12

Abstract

The purpose of this research is to determine the comparison value between e/m of electrons in the use of CRO television tube and use to examine the quality of the experimental method that was is by comparing the experimental method from J. J. Thomson. This research regarded as an experimental method, conducted by measuring the different of light points on the screen television tube to get the radius of electron motion. The data interpreted into a graph to a quaeter radius of current on the coil magnetic field Helmohltz I (amperes). This graph is used to find e/m value of electron and the result is:

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