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Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika

Gravity
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Published by Universitas Sultan Ageng Tirtayasa

ISSN : 2442515X EISSN : 25281976 DOI : http://dx.doi.org/10.30870/gravity.vxix

Core Subject : Science, Education,

Astronomy Earth & Planetary Sciences Education Materials Science & Nanotechnology Physics

The focuses of the manuscript received in the Gravity journal is limited to the topic: Physics Education (Media, Educational Policy, Assessment, Learning Model) Theoretical Physics Material Physics Earth and Environmental Physics Astrophysics Medical Physics Computational Physics and Instrumentation

Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)

Articles 208 Documents

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ANALISIS MISKONSEPSI KONSEP GAYA MENGGUNAKAN CERTAINTY OF RESPON INDEX (CRI) Surya Gumilar
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 2, No 1 (2016)
Publisher : Universitas Sultan Ageng Tirtayasa

Penelitian ini bertujuan untuk menganalisis miskonsepsi konsep gaya pada calon guru fisika. Sebanyak 24 calon guru fisika diberikan tes standar mengenai konsep gaya yaitu force concept inventory (FCI). Metode penelitian yang digunakan dalam penelitian ini merupakan metode penelitian deskriptif. Hasil data yang diperoleh kemudian di analisis menggunakan Certainty of Respond Index (CRI), dimana analisis terhadap data dibedakan kedalam tiga kategori yaitu tahu konsep, tidak tahu konsep, dan miskonsepsi. Hasil analisis data diperoleh bahwa rataan miskonsepsi 53%, tidak tahu konsep 24%, dan tahu konsep 23%. Analisis lebih lanjut terhadap beberapa butir soal diperoleh beberapa miskonspesi dengan tingkat miskonsepsi lebih dari 40%, yaitu: 1). kecepatan yang besar menimbulkan percepatan yang besar pula, 2). penjumlahan kecepatan dijumlahkan sama seperti penjumlahan biasa tanpa melibatkan arah, 3). kelajuan benda meningkat secara kontinu setelah menerima gaya sesaat, 4). kelajuan benda meningkat kemudian setelahnya menurun pada sistem yang dikenai gaya tetap, 5). gaya gravitasi berkurang dan meningkat pada sistem gerak yang dilempar dan jatuh kembali, 6). Resultan dua gaya yang membentuk sudut satu sama lain akan mempunyai resultan dengan arah berada tepat ditengah kedua gaya asal.

KUALITAS AIR BERDASARKAN UJI KANDUNGAN KLOROFIL-a DI SUNGAI TUTUPAN KECAMATAN JUAI KABUPATEN BALANGAN Aditya Rahman; Sasi Gendro Sari; Beby Rahmayanti
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 1, No 1 (2015)
Publisher : Universitas Sultan Ageng Tirtayasa

This research was done to explain the status of the Tutupan River by measuring chlorophyll-a and determining the relation between chlorophyll-a and physical-chemical factors. Purposive sampling method was used to determine water sampling, the measurement of enviromental factors as temperature, water velocity, water clarity, pH and DO, meanwhile parameters as TSS, BOD5, nitrate, nitrite, orthophosphate, was measured in laboratory. Analysis of chlorophyll-a was content used a spectrophotometer. Water samples were taken twice only at April and May, 2014. The results showed the amount of chlorophyll-a in April ranged between 0,13 and 0,77 mg / m³ and in May, it ranged from 0,02 and 0,08 mg / m³. Status of the Tutupan River quality are classified as oligotrofic or low fertility rates with chlorophyll-a content ranged from 0,02 to 0,77 mg / m³. The chlorophyll-a content only closely related to the water temperature in May, with correlatin factor 0,9.

Perbandingan Kekuatan Ikan Lemon (Lubia Caeruleus) Dengan Ikan Lele (Clarias Batrachus) Pada Tegangan 18 Volt Saolisa R; Ipah Fitra Syafira; Irnanda Sabila Rizki; Muhammad Aunurrofiq; Ervin Mardina; Mifa Maulida; Asep Saefullah; Dini Aliani
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 4, No 2 (2018)
Publisher : Universitas Sultan Ageng Tirtayasa

Ikan sebagai hewan air memiliki mekanisme fisiologis yang tidak dimiliki hewan darat. Ikan dapat merespon arus listrik karena memiliki organ elektroreseptor. Secara umum, elektroreseptor merupakan pengembangan dan modifikasi gurat sisi atau lateral line. Untuk mengetahui bahwa ikan dapat merespon arus listrik dilakukan penelitian dengan melakukan perbandingan ketahanan ikan lemon (Lubia caeruleus) dengan ikan lele pada tegangan 18 volt. Digunakan plat PCB sebagai pengantar arus listrik antara katoda dengan anoda pada dengan tegangan 18 volt, dengan medan listrik yang dihasilkan sebesar 171 v/m. Dari hasil pengamatan respon ikan terhadap medan listrik mempengaruhi perilaku ikan karena terinduksi oleh arus tersebut dan ikan menuju wilayah yang efektif dari elektroda. Ikan lele (Clarias batrachus) lebih kuat ketahanan tubuhnya dalam merespon arus listrik dibandingkan ikan lemon (Lubia caeruleus).

Basic physics learning process in electrical engineering vocational education program using ispring presenter interactive powerpoints to improve student understanding Irwanto Irwanto
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 6, No 1 (2020)
Publisher : Universitas Sultan Ageng Tirtayasa

The Department of Vocational Education in Electrical Engineering (JPVTE) is one of the departments based in the Faculty of FKIP UNTIRTA. The physics course at JPVTE is a fundamental concept that must be understood by the first half of students Because students' understanding of physics is still lacking, especially in the idea of mechanics. The research objectives are (1) to Facilitate lecturers in the learning process in the classroom and (2) to improve student understanding in understanding the concepts of mechanics in physics learning. The research method used was descriptive qualitative. The techniques of data collection were observation, tests, and interviews. The analysis technique used is to Determine the percentage of conceptual understanding with a percentage description. The Obtained results are (1) Using the Interactive PowerPoint Point Presenter is very easy for physics lecturers to explain and provide basic concepts of understanding mechanics in interacting with students. (2) Interactive Powerpoint iSpring Presenter can improve students' knowledge in understanding the concept of mechanics included in the high category Because The learning is interactive and fun.

Implementation Of Project Based Learning Through Making A Video As The Alternative Assignment and Its Effect Toward Motivation and Comprehension of Students in SMA MADANIA BOGOR Yuvita Oktarisa
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 1, No 1 (2015)
Publisher : Universitas Sultan Ageng Tirtayasa

This research originated from the interviewing between the researcher as a physics teacher to some students about Physics assignments. Based on the interview, student felt so bored in doing their assignment and have no motivation in finishing it. Because there is no motivation in doing the assignment therefore the understanding of the students could not be increasing. Based on Curtis (2009:1) that motivation of the students could be increased by implementing Project Based learning (PBL). This research tried to see the influence of PBL toward the motivation and the understanding of the students. In this assignment students are asked to making a video about the application of Newton’s law of Motion in daily Life. From this video students analyzing why do the video can categorize as the application of Newton’s Law of Motion in daily Life. In making the video as the project, students are guided by the rubric, the timeline and also the goal of the project. Students have to finish their project in fifteen days, and teacher scored their project based on two criteria: the contents and presentation. Ten best video would be shown in front of the whole students in an event in the school. To see the understanding and the motivation of the students after finishing the project, the teacher gave the test and also the questionnaire about the project and their comprehension of Newton’s Law of Motion. According to the questionnaire we can see that more than 60% of the students agree that the project can increase their motivation and also their understanding. The increasing of students comprehension can be seen from the test that given to students. From this research we can inferred that project base learning can stimulus student’s motivation and also the understanding.

SIGNIFIKANSI DISCOVERY LEARNING vs GUIDED DISCOVERY LEARNING TERHADAP PENINGKATAN PEMAHAMAN KONSEP Riski Muliyani
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 4, No 1 (2018)
Publisher : Universitas Sultan Ageng Tirtayasa

ABSTRAK Penelitian ini bertujuan untuk mendapatkan gambaran tentang peningkatan pemahaman konsep melalui penerapan dua model pembelajaran (Discovery Learning_DL dan Guided Discovery Learning_GDL) pada kelompok yang berbeda dan signifikansi perbedaan peningkatan pemahaman konsep yang lebih signifikan diantara penerapan kedua model tersebut pada kelas yang telah di-treatment. Penelitian ini menggunakan pendekatan kuantitatif dimana desain yang dipakai ialah pretest-posttest control group design dengan menginovasi kelas kontrol menggunakan model pembelajaran GDL. Sampel yang dipakai menggunakan kluster acak dengan mempertimbangkan homogenitas antara kelas. Untuk mengukur peningkatan pemahaman konsep digunakan tes pemahaman konsep berbentuk pilihan ganda. Hasil analisis data menunjukkan bahwa model pembelajaran DL mampu meningkatkan pemahaman konsep dengan kategori sedang (rerata n-gain= 0,49) dan GDL tergolong kategori rendah (rerata n-gain = 0,23). Perhitungan uji statistik uji-t menunjukkan bahwa tidak terdapat perbedaan yang signifikan dalam peningkatan pemahaman konsep antara kelas yang mendapatkan pembelajaran model DL dengan kelas yang mendapatakan pembelajaran model GDL (sig.2-tailed: 0,183, = 5%). Diharapkan pada penelitian selanjutnya untuk memaksimalkan eksperimen pada kedua model agar mendapatkan hasil yang lebih baik dan diupayakan diuji pada konsep lainnya. ABSTRACTThis research aim to get description of the increasing conceptual understanding through implementation of two type learning model (Discovery Learning and Guided Discovery Learning) to two difference class and to know which the differences of mean more significant to increase conceptual understanding between DL and DL learning model. This research was used quantitative approach with pretest-posttest control group design. The control group class was learned by GDL model. Custer random sampling technique was used in this research with consideration the homogeneity of class. The measurement of conceptual understanding tested using a conceptual understanding test (multiple choice form). The result shown that mean of n-gain score of DL are medium category (n-gain score: 0,49) and GDL is low category ( n-gain score: 0,23). The calculation of parametric statistics (t-test) shown that there is no significant difference of the mean of the increasing conceptual understanding either DL class or GDL class (sig.2-tailed: 0,183). It recommended to further research to more optimize the experiment session for all of the model in order to achieve better result and able to apply these models to another concepts.

Assessment processes and characteristics of pineapple leaf fiber woven fabric (Ananas comosus (L.) Merr.) And ambon banana stem midrib (Musa paradisiaca var. sapientum(L.) Kunt.) Asri Widyasanti; Sita Halimatus Sa’diyah; Ahmad Thoriq
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 6, No 1 (2020)
Publisher : Universitas Sultan Ageng Tirtayasa

Pineapple leaves and banana stem midribs are agricultural wastes that can be used as natural fibers and processed into fabric. The fabric processed by the woven method. The aims of this research were to analyze the stages of the production process of making woven fabric from pineapple leaf fibers and Ambon banana stem midribs and to analyze the characteristics of fabrics from pineapple leaf fibers and Ambon banana stem midribs. The method used was the experiment method. The process of made woven fabric was used handloom. The result of this research that have the best woven fabric was fabric from pineapple leaf fibers with the L* 64.33; a* 0.75; b* 15.83; H 87.26; tensile strength 53.34 kgf (weft); 23.95 kgf (warp); elongation value 10.77% (weft); 56.27% (warp); tear strength 28.42 kgf (weft); 3.73 kgf (warp); air permeability 133.80 cm3/cm2/s. The value of tensile strength and tear strength was in accordance with Indonesian National Standard 08-0056-2006 woven fabric quality requirements for suit. The use of fabric from nature fibers suggested for raw material of craft.

PENERAPAN PENDEKATAN DEMONSTRASI INTERAKTIF UNTUK MENINGKATKAN KETERAMPILAN DASAR PROSES SAINS SISWA Rahmat Rizal; Andi Suhandi
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 3, No 1 (2017)
Publisher : Universitas Sultan Ageng Tirtayasa

UJI KELAYAKAN SISTEM PEMBELAJARAN TERPADU (SIPANTER) BERBASIS MOODLE Syamsul Bahri; Mitra Rahayu; Merta Simbolon
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 7, No 1 (2021)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v7i1.9565

Moodle-based Learning System Development or sistem pembelajaran terpadu (SiPanTer) aims to determine the feasibility of e-learning being developed. The feasibility of e-learning is based on expert validation results, namely information and communication engineering experts. The research and development model used is the Borg and Gall model adapted by Sugyono. The research and development stage consists of 10 steps, namely 1) analysis of potential and problems; 2) data collection; 3) product design; 4) design validation; 5) design revision; 6) product trials; 7) product revision; 8) trial use; 9) product revision; and 10) products. The data collection technique was carried out using expert validation sheets and teacher and lecturer response questionnaires with descriptive quantitative analysis techniques. The analysis of validator assessments and the responses of teachers and lecturers in limited trials and extensive trials state that the e-learning developed is suitable for general use, both on campus and at school, especially in Merauke Regency.

Introduction to the development of integrated science teaching materials based on inquiry labs to improve students' science literacy Yusmanila Yusmanila; Zaturrahmi Zaturrahmi
Gravity : Jurnal Ilmiah Penelitian dan Pembelajaran Fisika Vol 6, No 2 (2020)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/gravity.v6i2.8803

The purpose of this study was to describe the science learning process and the teaching materials used by teachers in science learning. The type of research to be conducted is descriptive quantitative research. Respondents in this study were 26 students of class VIIIA MtsN 6 Sijunjung. The research instrument was in the form of a questionnaire filled out by students and an interview sheet with the educator. The result of the research is that the science learning process is more predominantly carried out through the lecture method compared to the experimental / practicum / inquiry labs method by 83% and the teaching materials most often used by teachers in science learning are textbooks by 85%. Science learning has not facilitated students to have scientific literacy because science learning is more often carried out by the lecture method. Thus, teachers need to develop appropriate teaching materials in order to increase students' motivation and scientific literacy.

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Home Page

OAI Link

Editorial Team

Contact

Reviewer

Google Scholar

Contact Name Yudi Guntara

Contact Email guntaray@untirta.ac.id

Phone +6281327787035

Journal Mail Official gravity@untirta.ac.id

Editorial Address Departemen of Physics Education Faculty of Teacher Training and Education Universitas Sultan Ageng Tirtayasa Jl. Raya Ciwaru No. 25, Sempu, Kota Serang, Banten, 42117.

Location Kab. serang, Banten INDONESIA

Abstract

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Abstract

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Abstract

Abstract

Contact Name
Yudi Guntara

Contact Email
guntaray@untirta.ac.id

Phone
+6281327787035

Journal Mail Official
gravity@untirta.ac.id

Editorial Address
Departemen of Physics Education Faculty of Teacher Training and Education Universitas Sultan Ageng Tirtayasa Jl. Raya Ciwaru No. 25, Sempu, Kota Serang, Banten, 42117.

Location
Kab. serang,

Banten

INDONESIA