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Jurnal Pendidikan Fisika dan Keilmuan (JPFK)
Published by Universitas PGRI Madiun
ISSN : 24428868     EISSN : 2442904X     DOI : -
Core Subject : Science, Education,
Astronomy Education Physics
Jurnal Pendidikan Fisika dan Keilmuan (JPFK) with registered number ISSN 2442-8868 (printed), ISSN 2442-904X(online) is scientific journals which publish articles from the fields of physics and physics education. JPFK will publish in two times issues Volume 1, Numbered: 1-2 are scheduled for publication: March and September.
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol 7, No 1 (2021)" : 7 Documents clear
Effectiveness of Catching Free Radicals in Cigarette Smoke with Biofilters Made from Bidara Leaf Powder Mulyono, Agus; sasmitaninghidayah, wiwis
Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Vol 7, No 1 (2021)
Publisher : UNIVERISTAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/jpfk.v7i1.9524

Abstract

A number of diseases have been stigmatized as a side effect of smoking and its smoke. Reducing the dangers of smoking by capturing radioactive substances from cigarette smoke is one way to reduce or reduce the level of danger. This study aims to make a filter made from bidara leaf powder to bind free radicals in cigarette smoke. Bidara leaf powder with PEG solution was mixed and stirred until homogeneous with variations in the mass of bidara powder 0.7 grams, 0.8 grams, 0.8 grams, 0.9 grams and 1 gram. The product was molded with a 0.7 cm diameter pipe hose, allowed to dry before being removed from the mold, and heated at a temperature of 105o C for 20 minutes. Biofilter matrix using polyethylene glycol (PEG) and egg white, bidara leaf powder as a biofilter filler. The physical characteristics of the membrane were obtained by conducting density and porosity tests with SEM. The effectiveness of the biofilter membrane is known by passing cigarette smoke, then the number of free radicals trapped in the biofilter is analyzed using ESR. The results showed that the use of a biofilter made from bidara leaf powder with a mass of 0.9 grams with an egg white matrix was able to bind 85.7% of free radicals (C, O2-, C, Peroxy, CO2-, and Hydroperoxides) with 100% effectiveness, density. 0.893 g/cm3 and porosity 0.6788%. Testing the characteristics of the biofilter with SEM (Scanning Electron Microscopy) shows the size of the biofilter pores between 2-3 m, while the size of free radicals in cigarette smoke ranges from 20-430 nm. This indicates that the ability to bind free radicals in cigarette smoke is influenced by the antioxidant activity of bidara leaf powder (filler biofilter).
Comparison of Perception and Implementation of Mathematical Physics for Matrices Astalini, Astalini; Darmaji, Darmaji; Kurniawan, Dwi Agus; Simamora, Nadia Natalia
Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Vol 7, No 1 (2021)
Publisher : UNIVERISTAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/jpfk.v7i1.9509

Abstract

Perception is a person's assessment of the object or information. The purpose of this study was to determine how students perceive and see which students have a positive perception of the e-module physics-mathematics matrix based on gender differences. The type of research used is survey research. The research approach used is quantitative research. The research population is Jambi University physics education students with a total sample of 120 students. The data analysis technique used is descriptive statistical data analysis and inferential data analysis with Anova and post hoc Tukey B tests. The results of the study through the Anova test showed that female students and male students obtained sig. smaller than 0.05, namely 0.001 and 0.037, which means that the perception is significantly different from the post hoc results of the Anova test as a whole, indicating that the average perception does not have a significant difference. Male students have a more positive perception than female students. Gender differences that exist in students have an influence on student perceptions. Student perceptions can be used as a guide for lecturers to choose learning media that will be used in the classroom. This research can be used as a guideline for the development of student perception assessments on the mathematical physics e-module in the future with an update in this study, namely student perceptions of the mathematics physics e-module based on gender differences.
Preliminary Design of Kit Kinematics Learning Tools assisted by Phyphox Mobile Apps Fatmawati, Intan; Sulisworo, Dwi
Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Vol 7, No 1 (2021)
Publisher : UNIVERISTAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/jpfk.v7i1.9955

Abstract

Integration of learning tools with information technology can enrich the learning experience, including in learning physics. This research is the development of kinematics learning tools assisted by Phypox to support the improvement of scientific thinking skills. The scope of kinematics material is horizontal straight motion, vertical straight motion, and circular motion. In this study, the initial design process and design evaluation were carried out. Evaluation of the initial design was carried out by five experts and data were collected using a questionnaire. Data analysis used Content Validity Ratio (CVR) and Content Validity Index (CVI). The analyzed aspects include six indicators, namely: the functional relationship between components, component completeness, work order, practicality, efficiency, and effectiveness. The results of this study indicate that the initial design of the kinematics learning device is in a good category (CVR = 5.60; CVI = 0.93). Thus, this learning tool can be further tested on relevant students. The impact of the use of this tool will not only increase science skills, with certain learning strategies it can also grow the skills of working together and critical thinking.
Using of geogebra software to improve understanding of vector and kinematic concepts in online physics course Jeffry Handhika*; Mislan Sasono
Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Vol 7, No 1 (2021)
Publisher : UNIVERISTAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/jpfk.v7i1.8619

Abstract

This research aims to improve understanding of vector and kinematics concepts with Geogebra software in online learning (online using e-Learning UNIPMA (e-LMA). The method used in this research is a descriptive conducted on four students who took fundamental physics for the 2019/2020 academic year. The research steps are described as follows 1) creating a profile and analyzing understanding of vector concepts and kinematics before implementing e-LMA, (2) describing the learning process through e-LMA, (3) creating a profile, and analyze students' understanding of vector concepts and kinematics after the implementation of e-LMA. E-LMA-assisted learning by integrating materials and assignments with GeoGebra software can improve understanding of vector and kinematic concepts
Application of Multisim Software in Wave Rectifier Circuit Learning and its influence based on Students' Visual Spatial Ability Wahyudi, Wahyudi; Boisandi, Boisandi; Nurhayati, Nurhayati
Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Vol 7, No 1 (2021)
Publisher : UNIVERISTAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/jpfk.v7i1.9068

Abstract

This study aims to determine the effect of the National Instruments (NI) Multisim Software on students’ mastery of the wave rectifier circuit viewed from students' visual-spatial abilities (KVS). A pre-experimental design was used in this study. The sample of this research was students of the Physics Education Study Program taking the Basic Electronics I course selected through saturated sampling technique. The data collection tools were in the form of a visual-spatial ability test instrument and the wave rectifier circuit mastery test instrument. Correlation tests, multiple regression, and independent-sample t-test were used to determine the effect of spatial-visual ability on the learning outcomes of the wave rectifier circuit through the application of the National Instruments Multisim Software. The results obtained indicate that: 1) Student learning outcomes on the wave rectifier circuit material by using the NI-Multisim Software has in the sufficient category; 2) Students' visual-spatial ability on the KVS-interpretation has very high-category, KVS-series pattern has high-category, KVS-reflection has high-category, KVS-rotation has high-category, KVS-projection has high-category, and KVS-drawing has medium-category; 3) The ability of students' spatial visibility has a positive and significant correlation to student learning outcomes and has an influence contribution of 76.20% to learning outcomes; 4) The learning outcomes of students who have KVS-high are better than the average learning outcomes of students who have KVS-low in learning the wave rectifier series material using the NI-Multisim software.
Detecting Student Misconceptions about Physics Using Three Tier Diagnostic Test with Analysis Certainty of Response Index Makhrus, Muh.; Hidayatullah, Zul
Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Vol 7, No 1 (2021)
Publisher : UNIVERISTAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/jpfk.v7i1.8503

Abstract

Misconceptions are an obstacle in the learning process, especially in physics. One way to detect misconceptions is to use a three-tier diagnostic test and analyze it using the Certainty of Response Index (CRI). The purpose of this study was to detect students' misconceptions on straight motion material using a three-tier diagnostic test with CRI analysis. This type of research is descriptive research. The sample in this study was taken from students at three high schools in East Lombok district, NTB. The number of samples in this study was 132 students. This test instrument consists of 10 question items. The results showed that students still experienced many misconceptions in straight motion material.
Development of Quizizz-Based Interactive Questions to Measure Scientific Reasoning Skills Malik, Adam; Setiawan, Yusuf; Setya, Winda
Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Vol 7, No 1 (2021)
Publisher : UNIVERISTAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/jpfk.v7i1.9474

Abstract

This study aims to determine the feasibility level, students' scientific reasoning abilities, and students' responses to the use of quizizz-based interactive questions in measuring students' scientific reasoning skills. This research method uses the 4D model (Define, Design, Development, and Dissemination). The results showed that quizizz-based interactive questions to measure scientific reasoning skills developed were declared very feasible by the validators at a percentage of 82.6%. The results of the percentage of students' scientific reasoning skills on conservation reasoning indicators are 25%, probabilistic reasoning 20.83%, proportional reasoning 8.33%, correlation reasoning 4.17%, variable reasoning 8.33%, and hypothesis-deductive reasoning 12.50 %. The question has positive response criteria as seen from the results of the assessment of students by 88% with very interesting interpretations. Thus, it can be concluded that quizizz-based interactive questions to measure scientific reasoning skills are very feasible to use and get a positive response from students.

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