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Physics Communication
Published by Universitas Negeri Semarang
ISSN : 25285971     EISSN : 2528598X     DOI : https://doi.org/10.15294/physcomm
Core Subject : Science,
Physics
Physics Communication is devoted to reporting important new developments in the area of physics. Papers cover the fields of: atomic and molecular physics condensed matter and theory of statistical physics nuclear theory fluid theory and plasmas elementary particle physics and quantum field theory quantum mechanics and quantum optics theoretical astrophysics cosmology relativity Certain new interdisciplinary subjects such as theoretical biophysics, mathematical physics and computational physics are also incorporated.
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 168 Documents
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Multimedia-Based Discovery Learning Approach to Improve Critical Thinking Skills and Student Learning Outcomes Yuniarti, Nenik; Ellianawati, Ellianawati
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.11890

Abstract

The purpose of this study was conducted to determine the increase in critical thinking skills and student learning outcomes in multimedia-based elasticity learning and discovery learning. The type of research used is action class research with 3 cycles. Each cycle consists of 4 stages, namely planning (action), action (action), observation (observation) and reflection. The sample used was class XI IPA 2 SMA Negeri 2 Pekalongan. The critical thinking skills of students in cycle 1 are still in the low category, but the positive behavior of students has begun to appear. The participation of students in discussions increases. Critical thinking skills in cycle 2 increased with good categories. Students who are usually lazy have started to join the discussion. The increase in critical thinking skills occurred in the third cycle with the very good category, because in this cycle the discussion groups were divided based on the peer tutor principle. The percentage of student learning outcomes also increased to 74%. This increase can be seen in the acquisition of a gain value of 0.55 in the medium category. Multimedia-based learning with discovery learning models can be applied in learning physics so that it can improve student learning skills and outcomes
Development of a Five-Tier Diagnostic Test to Reveal the Student Concept in Fluids Setiawan, Doni; Eko Nugroho, Sunyoto; Made Darma Putra, Ngurah
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.21181

Abstract

This study aims to develop a five-tier form of fluid misconception diagnostic assessment and to reveal the profile of student’s conceptual understanding in maritime-based schools in the city of Tegal. This study used a 4D model (defining, designing, developing, and disseminating). The sampling technique used purposive sampling. The research samples were Bahari Vocational School Tegal, Al Maarif Vocational School Tegal, and Nahdlatul Ulama Senior High School Tegal. Methods of data collection used documentation, questionnaires, tests, and interviews. Expert validation states that the instrument was valid, has good readability, was easy to understand, and the sentence structure was correct. The reliability of the instrument is 0.958 and declared reliable. A total of 39 questions were categorized as medium, and one question was easy. The discrimination power of the questions obtained was that 30 questions were accepted, eight questions were received with a little improvement, and one question needed improvement. Seventy student misconceptions were identified from seven fluid sub-concepts. The biggest misconception, as much as 46.5% was found in the buoyancy sub-concept, while the smallest misconception was found in the application of Pascal's law at 35.2%. The most dominant misconception is that the deeper a point in the fluid is, the greater the buoyancy. Students assume that the greater the depth, the greater the fluid pressure, so that the buoyancy force is greater. Students believe that buoyancy is influenced by fluid pressure. This misconception is influenced by conceptual appreciation and intuition in daily life.
Analysis of Creative Thinking Skill and Student Learning Interest through Mind Mapping Based Creative Problem-Solving Learning Model Meiarti, Devi; Wiyanto, Wiyanto; Yulianti, Ian
Physics Communication Vol 4, No 1 (2020): February 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i1.23846

Abstract

Creative thinking skill is one of the most important skills in the learning process in 21st century. Creative thinking skills influenced by student’s learning interest. Therefore, creative thinking and learning interest must be cultivated through a proper learning process. This research aims to analyze student’s creative thinking skills and learning interest through mind mapping-based creative problem solving learning models. This research method used mixed methods with a sequential explanatory design. The population of this research was all students of class X with 30 students as the sample. The instrument used an essay test for creative thinking, an interview sheet, and learning interest questionnaire. The results of the n-gain alalysis showed an increase for each indicator of the creative thinking skills with an average of 71.73 included in the high criteria. As for the percentage of student’s learning interest is 79.17% which is included in good criteria. The results of the interview showed that there was different creative thinking patterns for each category where students in solving problems tended to begin by understanding the problem, linking scientific theory with their own knowledge, then developing it based on experience and reasoning. However, seen from the answers and interview results, students with very high creative thinking skills are better at providing ideas or conclusions than students with high, medium, and low categories. The results of the correlation analysis showed that there was a positive and significant relationship between student’s learning interest and four indicators of creative thinking skills.
Improved Understanding of Student's Learning Concept and Motivation in Inclined Plane Material by PhET Simulation Rohim, Ahmad Minanur; Ellianawati, Ellianawati
Physics Communication Vol 4, No 2 (2020): August 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i2.29310

Abstract

This research is aimed to improve the understanding of the concept and the motivation of learning physics students on inclined plane material class of Eighth grade of MTs NU I'anatuth-Thullab Mutih Kulon Demak School Year of 2020/2021. This study conducted at the eighth grade of students as the subject consisting of 29 students. This class action research was conducted as much as one cycle consisting of three meetings. The results of pretest data were given moments before the implementation of virtual laboratory media. Based on PhET (Physics Education Technology) simulation, the researcher got different results with the posttest given after the implementation of learning using virtual laboratory media by using PhET. The results of the pretest reached 25% on understanding of student concepts, and there was increased after using the media through posttest which is 75%. There was increased on percentage through understanding of student concepts in inclined plane materials using virtual laboratory media by 50%, the percentage of student learning motivation increased on inclined plane material by 28%, and in the data after using virtual laboratory media got a good category at 76%.
Effectiveness of Physics Learning Using PBL Assisted by PhET Virtual Laboratory Maulani, Nofrina; Linuwih, Suharto; Sulhadi, Sulhadi
Physics Communication Vol 4, No 2 (2020): August 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i2.31081

Abstract

This research is motivated by the lack of digital literacy and the complexity of students in the process of teaching and learning activities. In the learning process during PPKM (Enforcement of Community Activity Restrictions) students do online learning at home, often students who are not active are found. In this case, the teacher's role changes from the main role of providing information to being a facilitator in thinking, reflecting and collaborating findings. The use of PhET virtual laboratory media can help improve technological literacy. The purpose of this study was to analyze the effectiveness of the Problem Based Leaning model assisted by the PhET virtual laboratory on student learning outcomes. PhET simulation is an interactive animation that is accessed online and offline using Java and Flash software. The method used is quantitative research with a one-shot case study design. Class X MIPA 7 was used as the experimental class and class X MIPA 8 was used as the control class. The effectiveness of the Problem Based Leaning model assisted by the PhET virtual laboratory in the experimental class obtained a classical completeness score of 83%, while the control class was far below the classical completeness value of 55%.
Analysis of Student Problem Solving Skills in Harmonic Motion Materials Fitroh, Ummi Nuzulul; Rusilowati, Ani; Darsono, Teguh; Marwoto, Putut; Mindyarto, Budi Naini
Physics Communication Vol 4, No 2 (2020): August 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i2.31174

Abstract

The purpose of this research is to analyze the problem solving ability of harmonic motion material. Problem solving skills are one of the important components of learning. Therefore, it is necessary to analyze the extent of student problem solving skills. The method used in this study is a descriptive analysis method with data collection techniques using the instrument of the description problem along with aspects of problem solving capability assessment. The subjects of this study were 24 physics education students who had obtained harmonic motion material. The results showed that students had difficulty in harmonic motion material. In the first phase of useful description, the average problem-solving ability of students was only 41.21%. The second stage of physics approach,the average student ability of 32.24%. The third phase of the specific application of physics, the average student's ability is only 14.21%. The fourth stage of mathematical procedure,student ability by 10.11%, the fifth stage of logical progession averages student ability by 2.23%. Therefore, it can be said that problem solving skills are still relatively low, so learning is needed that can improve students' problem solving skills. Based on the results of the analysis, it can be concluded that the most common mistakes made by students in solving physics problems are errors in the process of conveying results and assessing solutions. Mistakes that are rarely made by students are mistakes in understanding problems by using correct representations.
Misconception Profile of Newton’s Law Concept Using Certainty of Response Index (CRI) Mushthofa, Zayyinul; Rusilowati, Ani; Sulhadi, Sulhadi; Marwoto, Putut; Mindyarto, Budi Naini
Physics Communication Vol 4, No 2 (2020): August 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i2.30399

Abstract

Misconception is an understanding that is believed to be correct but not according to the understanding of the experts. Misconceptions can occur because students build their knowledge gained from daily activities. This study aims to identify misconceptions about Newton's law concept and the causes of the misconceptions. The research type is descriptive quantitative. A total of 30 students of SMA Multazam IBS Semarang were given a true-false objective test and drew a style diagram accompanied by a certainty of response index (CRI). The cause of the misconception was obtained by interviewing 4 students. The results obtained were as many as 20.99% of students experienced misconceptions, 9.99% of students understood the concept, and 69.02% did not understand the concept of Newton's law concept. The most common misconception is that students think that heavier objects will fall faster than lighter objects. The cause of students experiencing misconceptions is the understanding they build themselves; students' carelessness in choosing answers; low reasoning ability; and forget the material that has been delivered.
Analysis of the Try Out Problem for the National Examination of Natural Sciences Physics Type HOTS Heryanto, Wawan Prasetyo; Supriyadi, Supriyadi; Darsono, Teguh
Physics Communication Vol 4, No 2 (2020): August 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i2.30995

Abstract

This research's aim is to know about HOTS questions of Physics in try out of National Examination and HOTS's students of Junior High School Muhammadiyah 1 Wonosobo. The research type was descriptive research, and the research used analysis technique. This technique is done by analyze question documents and students' answer sheet of trying out of Physics National Examination HOTS students of Muhammadiyah 1 Wonosobo junior high school. The subjects in this study were students of class IX Muhammadiyah 1 Wonosobo junior high school in the academic year 2019/2020 with 126 students. The data obtained in the form of a percentage of HOTS type questions and the percentage of students absorption of the results of working out the try out problem. Based on the analysis of the data that has been done, obtained by the category of HOTS is 23.5%, namely in the C4 aspects and the absorption of students by 28.5% with the category is not good. Therefore, it can be concluded that type of HOTS questions in the tryout of Physics National Examination has poor distribution.
Analysis of Student Problem Solving Skills in Harmonic Motion Materials Fitroh, Ummi Nuzulul; Rusilowati, Ani; Darsono, Teguh; Marwoto, Putut; Mindyarto, Budi Naini
Physics Communication Vol 4, No 2 (2020): August 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i2.31174

Abstract

The purpose of this research is to analyze the problem solving ability of harmonic motion material. Problem solving skills are one of the important components of learning. Therefore, it is necessary to analyze the extent of student problem solving skills. The method used in this study is a descriptive analysis method with data collection techniques using the instrument of the description problem along with aspects of problem solving capability assessment. The subjects of this study were 24 physics education students who had obtained harmonic motion material. The results showed that students had difficulty in harmonic motion material. In the first phase of useful description, the average problem-solving ability of students was only 41.21%. The second stage of physics approach,the average student ability of 32.24%. The third phase of the specific application of physics, the average student's ability is only 14.21%. The fourth stage of mathematical procedure,student ability by 10.11%, the fifth stage of logical progession averages student ability by 2.23%. Therefore, it can be said that problem solving skills are still relatively low, so learning is needed that can improve students' problem solving skills. Based on the results of the analysis, it can be concluded that the most common mistakes made by students in solving physics problems are errors in the process of conveying results and assessing solutions. Mistakes that are rarely made by students are mistakes in understanding problems by using correct representations.
Misconception Profile of Newton’s Law Concept Using Certainty of Response Index (CRI) Mushthofa, Zayyinul; Rusilowati, Ani; Sulhadi, Sulhadi; Marwoto, Putut; Mindyarto, Budi Naini
Physics Communication Vol 4, No 2 (2020): August 2020
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/physcomm.v4i2.30399

Abstract

Misconception is an understanding that is believed to be correct but not according to the understanding of the experts. Misconceptions can occur because students build their knowledge gained from daily activities. This study aims to identify misconceptions about Newton's law concept and the causes of the misconceptions. The research type is descriptive quantitative. A total of 30 students of SMA Multazam IBS Semarang were given a true-false objective test and drew a style diagram accompanied by a certainty of response index (CRI). The cause of the misconception was obtained by interviewing 4 students. The results obtained were as many as 20.99% of students experienced misconceptions, 9.99% of students understood the concept, and 69.02% did not understand the concept of Newton's law concept. The most common misconception is that students think that heavier objects will fall faster than lighter objects. The cause of students experiencing misconceptions is the understanding they build themselves; students' carelessness in choosing answers; low reasoning ability; and forget the material that has been delivered.

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