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Department of Physics, Universitas Negeri Gorontalo Lt.1 Gedung F.MIPA, Jl. Prof Dr. Ing B.J. Habibie, Desa Moutong, Kec. Tilongkabila, Kab. Bone Bolango, Provinsi Gorontalo 96119, Indonesia
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Jambura Physics Journal
Published by Universitas Negeri Gorontalo
ISSN : 26549107     EISSN : 27215687     DOI : https://doi.org/10.34312/jpj.v1i2
Core Subject : Science, Education,
Education Energy Materials Science & Nanotechnology Physics
The Jambura Physics Journal (JPJ) is the official journal of Physics Department, Faculty Mathematics and Natural Science, Universitas Negeri Gorontalo. JPJ is a peer-reviewed article publish articles twice a year in April and October. The research article submitted to this online journal will be peer-reviewed at least 2 (two) reviewers. The accepted research articles will be available online following the journal peer-reviewing process. The language used in this journal is English or Indonesia. The Jambura Physics Journal is an integrated forum for communicating scientific advances in the field of physics and education physics. The journal reports significant new findings related to physics applications and education physics, including learning media development, learning methods development, learning methods implementation, and several application of physics. The Jambura Physics Journal publishes comprehensive research articles and invited reviews by leading experts in the field. Papers will be selected that high scientific merit, impart important new knowledge, and are of high interest to physics and education physics community.
Arjuna Subject : Umum - Umum
Articles 6 Documents
 1 
Search results for , issue "Vol 3, No 2 (2021): October 2021" : 6 Documents clear
MENINGKATKAN HASIL BELAJAR SISWA DENGAN MENGGUNAKAN MODEL PROBLEM BASED LEARNINGI (PBL) PADA MATERI TEKANAN ZAT Meyko Adjilahu; Muhammad Yusuf; Tirtawaty Abdjul
Jambura Physics Journal Vol 3, No 2 (2021): October 2021
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v3i2.11513

Abstract

The Classroom Action Research (CAR) is aimed at improving students learning outcomes by using Problem Based Learning (PBL) model on Substance Pressure material in grade VIIIA of SMP Negeri 1 Dulupi. This Classroom Action Research was carried out from October 2019 to March 2020 in the even semester of 2019-2020 with the number of students who were subject to action as many as 25 people and carried out in 2 cycles. the result of the analysis showed that students learning outcomes from cycle I to cycle II has increased. In cycle I, students’ mastery learning only at 64%, with 16 total students who were completed and 9 students incomplete. After being given action in cycle II, there was an increase to 84%, with 21 total students who were completed and 4 students incomplete. Based on these data, it is concluded that Problem Based Learning (PBL) model can improve students learning outcomes
DEVELOPMENT OF MECHANICAL ENERGY TEACHING AIDS BASED ON ARDUINO UNO MICROCONTROLLER ASSISTED ULTRASONIC SENSORS AND LOAD CELLS Matsun Matsun; Boisandi Boisandi; Ira Nofita Sari; Soka Hadiati; Deden Hidayat
Jambura Physics Journal Vol 3, No 2 (2021): October 2021
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v3i2.11703

Abstract

The study aims to produce a mechanical energy prop by worthy using an Arduino Uno microcontroller assisted by an ultrasonic sensor and a load cell. The research method uses research and development design according to the ADDIE model which consists of 5 stages by analysis, design, development, implementation, and evaluation. The feasibility of mechanical energy props is determined according to experts. The research was carried out in 2021, a limited trial was carried out on students at SMA Negeri 3 Sungai Kakap. Research subjects' responses to the props are also known to use response questionnaires. The validation results of mechanical energy props based on the Arduino Uno microcontroller by two media experts obtained an average score of 95% in the excellent category and by two material expert validators, an average percentage of 97.21% was obtained in the excellent category. The response of research subjects to mechanical energy teaching aids based on the Arduino Uno microcontroller obtained an average score of 87.72% with an excellent category. Overall, mechanical energy teaching aids based on the Arduino Uno microcontroller assisted by an ultrasonic sensor and a load cell have been produced.
SYNTHESIS OF CARBON DOTS (CDS) AND DETERMINATION OF OPTICAL GAP ENERGY WITH TAUC PLOT METHOD Jumardin Jumardin; Akhiruddin Maddu; Koekoeh Santoso; Isnaeni Isnaeni
Jambura Physics Journal Vol 3, No 2 (2021): October 2021
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v3i2.11235

Abstract

Carbon Dots (CDs) which have been synthesized using the laser ablation method show the presence of UV-Vis absorption in the wavelength range of 303 nm to 333 nm for absorbance and 495 nm to 503 nm for fluorescence. Changes in the time duration 1, 2, 3 hours of CDs resulted in changes in the optical energy gap. The optical energy gap valuesare distinguished by the type of indirect transition (n=2) is 3.40 eV (1 hour), 3.15 eV (2 hour), 2.85 eV (3 hour) and direct transition (n=1/2) is 2.58 eV (1 hour), 2.31 eV (2 hour), 1.70 eV (1 hour).
PURIFICATION OF DUG WELL WATER USING ACTIVATED CARBON MADE FROM SAGO FIBER WASTE Desprianto Desprianto; Idawati Supu; Ika Suliawati; Juwita Juwita; Erfiana Erfiana
Jambura Physics Journal Vol 3, No 2 (2021): October 2021
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v3i2.11665

Abstract

The sago fiber waste is promising as an active carbon material which has a high adsorption in purifying water process. The objective of this research was to make activated carbon from sago fiber waste to be applied for water purification and iron (Fe) adsorption with various of contact time. The carbon activation process uses Phosphoric Acid (H3PO4) and calcined at 800 °C for 2 hours. After drying, then analyzed the water content and ash content. Furthermore, surface morphology testing was carried out using SEM. The application of activated carbon was carried out in dig well water purification and filtering iron (Fe) based on variations in contact time of 10 minutes, 20 minutes, 30 minutes and 40 minutes. Analysis of water content of activated carbon was carried out 3 times with an average value of 3.9662%. Ash content analysis aims to determine the metal oxide content in activated carbon. Analysis of the ash content of activated carbon was carried out 3 times with an average value of 5.3239%. The average value of ash content meets the quality standards of activated carbon SNI 06-3730-1995 where the standard value of ash content for powdered activated carbon is a maximum of 10%. SEM test results show that the surface of the activated carbon is porous but the size is not uniform. The level of Ferrium (Fe) in water that has gone through the purification process using activated carbon. The most effective contact time was obtained, namely 20 minutes and had met the threshold requirements for water turbidity levels according to Minister of Indonesia health. This means that activated carbon from sago fiber is able to adsorb the material contained in water and also very capable in  picking up some bad contents of cloudy and polluted water.
PENGARUH PENERAPAN MICROSOFT TEAMS TERHADAP KEMAMPUAN PEMECAHAN MASALAH SISWA DENGAN MENGGUNAKAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING PADA MATERI GETARAN HARMONIS Indrawan Hermanto Abdjul; Mohamad Jahja; Abd Wahidin Nuayi; Asri Arbie
Jambura Physics Journal Vol 3, No 2 (2021): October 2021
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v3i2.11229

Abstract

This study aims to discover the influence of the Microsoft Teams implementation on students' problem-solving ability by using a problem-based learning model on the harmonic motion topic. This research is conducted in the odd semester of the 2020/2021 academic year. This study applies the experimental method. The study takes place at SMA Negeri 1 Popayato in grade XI with research subjects are XI IPA 1 graders amounted to 20 students’ and XI IPA 3 graders amounted to 20 students. The data collection uses were the assessment of students' test results. However, the data analysis in this study uses the t-test. Based on the hypothesis test, it is obtained that  8.340 greater than  2.024 with a significance level of α = 0.05, then Ho was rejected and H1 was accepted, so it can be concluded that there is a significant effect on students' problem-solving abilities using Microsoft Teams on the Problem Based Learning model.
PENERAPAN PEMBELAJARAN BERBASIS KEARIFAN LOKAL TERHADAP KETERAMPILAN PROSES SAINS SISWA Tirtawaty Abdjul; Nancy Katili
Jambura Physics Journal Vol 3, No 2 (2021): October 2021
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34312/jpj.v3i2.11166

Abstract

This study aims to see the effect of applying local wisdom-based learning on science process skills in class XI high school heat concept. The method in this study is an experimental method with the type of Pre-Experimental Design. This research belongs to the type of quantitative descriptive research with the research design of One-Group Pretest-Posttest Design. The research was conducted in the Odd Semester of the 2019/2020 Academic Year in class XIA students of SMA Negeri 1 Paguat with a total of 20 students. Based on the results of the research, it was found that the average results of students' science process skills when given a pre-test was 15.44 (very poor) and when given a post-test it was 92.01 (very good). The results of the N-Gain test analysis were obtained for indicators of observing, classifying, communicating, and drawing conclusions to get an average of 0.87 (high category). Based on the results of research that has been carried out by researchers and other researchers, it can be concluded that learning based on local wisdom affects the science process skills of class XI students of SMA Negeri 1 Paguwat in learning physics, especially on the concept of heat.

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