Pembelajaran Gerak Harmonik Sederhana Menggunakan Magnetometer pada Smartphone

Untuk memahami konsep gerak harmonik sederhana (GHS) di sekolah menengah atas dapat dilakukan melalui percobaan getaran pegas menggunakan magnetometer pada smartphone. Percobaan memerlukan aplikasi magnetometer pada smartphone android, magnet kancing, pegas, plastisin yang akan digunakan sebagai beban, mistar, dan holder stand smartphone. Magnet dan beban digantungkan pada ujung pegas dan ditarik sejauh 2 cm, sehingga pegas bergetar. Eksperimen dilakukan untuk lima beban yang berbeda  (30-gram, 40-gram, 50-gram, 60-gram, dan 70-gram). Sensor magnetometer yang diletakkan di bawah pegas akan menghasilkan visual gerak harmonik pegas dengan menampilkan grafik medan magnet (B) terhadap waktu (t). Melalui grafik B vs t dapat dianalisis pengertian GHS, gaya pemulih, satu getaran penuh, perioda, frekuensi, amplitude, hubungan perioda dengan massa dan menentukan nilai konstanta pegas. Diharapkan pemanfaatan sensor pada smartphone menjadi alternatif metoda eksperimen bagi guru dalam menyampaikan konsep abstrak kepada siswa

One Dimensional Motion with ICT Based Learning: Improving the Physics Teacher Candidates’ Science Process Skills and Attitudes

Education nowadays is demanded to produce students who have beneficial skills of the 21st century in dealing with problems in the era of information and digital technology. Therefore, it is necessary to change the emphasis of learning patterns. In this paper, the results of the application of 21st-century skills in learning Basic Physics 1 in the Physics Education Study Program, UIN Sunan Gunung Djati Bandung using a scientific approach is presented. Learning activities were conducted based on low budget materials and ICT in the form of tracker software. The results showed that students were skilled in using tracker (90%), had science processing skills (excellent 5.2%, good 74.0%, and fair 20.8%), and fostered curiosity (92.0%), careful attitude (92.2%), caring for the environment (73.0%), honest (93.0%), and cooperative (97.0%

Home-Made Simple Experiment to Measure Sound Intensity using Smartphones

The researchers present a simple experimental activity to measure the sound intensity level using an Android-based smartphone to prove the inverse square law and analyze the dependence of the sound intensity to the sound source frequency. The type of this study was quantitative research by conducting level of intensity experiment using a pair of smartphones with one smartphone functioning as the sound source using a tone generator free application (app) and the other smartphone functioning as the detector installed with Physics Toolbox sound meter application to measure the arriving sound intensity level. The smartphone functioning as the sound source was placed at a certain place labeled as the origin point (0.0), while the other smartphone as the detector was placed at various distances on the x-axis. In this study, the frequencies of the tone generator used were 500 Hz, 1000 Hz, and 2000 Hz. Then, the sound intensity level versus distance was analyzed to determine the compatibility between the experimental results using a smartphone and the prevailing theory, namely the inverse square model. The sound intensity level detected by the smartphone from 2,000 Hz resulted in the graph with smaller slope after passing 0.3 meters. The results follow the theorem of which the sound intensity level at the detector depends on the distance between the source and the detector based on the inverse square law. When the frequency of a source was changed (500 Hz, 1000 Hz and 2000), the sound intensity also changed. Higher frequency leads to a larger sound intensity. The experiment can thus be used to assist  high school students and physics undergraduates in understanding the inverse square law of sound or to study environmental noise with a simple and low-cost experiment

INSTAGRAM-ASSISTED LANGUAGE LEARNING IN ISLAMIC HIGHER EDUCATION: TOWARD ONLINE COLLABORATION

The purpose of this study is to investigate instagram use among English pre-service teachers (EPST) to support their language learning in a particular course. This study sought to explore the following research questions: (1) How do EPST explore instagram to accomplish Online Task-Based Language Learning (OTBLL)? (2) What contents are created and shared by EPST to accomplish OTBLL? To collect the data, this study applied observation and content analysis. In addition several tasks were designed to be accomplished by EPST. The findings shows that EPST were able to integrate both the ability to use instagram and the ability to integrate it for OTBLL. The contents that EPST created and shared met the requirement of OTBLL. The contents included several types: creating video to explain topic assigned, writing phonetic transcription, and other tasks. The results of this study are expected to contribute in improving EPST language skills and their ability to explore social media use for language learning. Being able to seize social media to support language learning is a necessary skill to be nurtured for future language teacher in the 21st century

Promoting mobile collaborative language learning in Islamic higher education

This study sought to explore students’ experience in using Instagram to participate in mobile collaborative language learning (MCLL). The contents they produced and shared, as well as their interaction and collaboration, were analyzed. The participants of this study were 110 students in an English education department, in three different classes,who all had taken a translation coursetheir third semester. Online tasks were assigned to students and they were required to produce, share, interact and collaborate to accomplish tasks. This study applied a qualitative method with case study research design using observation, focus group discussion and content analysis. Data were analyzed through stages namely categorization, reduction and interpretation. Results showed that the students were able to participate in MCLL using Instagram. They produced and shared contents that met the requirement of MCLL. The contents included English sentences for structural collaboration in terms of subject-verb agreement and English sentences for word meaning collaborations. They interacted with their peers by writing feedback and comments on the uploaded content. They collaborated with their peers by providing multiple interactions to accomplish tasks in MCLL like writing structural analysis, word meaning, paraphrasing sentences, and sentence translation.</span

PEMANFAATAN MEDIA SOFTWARE TRACKER UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR KRITIS PESERTA DIDIK PADA MATERI IMPULS DAN MOMENTUM DI SMKN 1 SOREANG

This study originated from the lack of utilization of learning media during the learning process. Teaching methods used by teachers are less varied so that learners are only trained in cognitive abilities only while for high-level thinking skills such as critical thinking ability is still low. One alternative that can be done to improve the skills of critical thinking is to utilize the Software Tracker media. This study aims to determine the improvement of critical thinking skills of learners through the use of Software Tracker media on the material impulse and momentum. The research method used is Pre-Experiment with design One-Group Pretest-Posttest Design. The sample of this research using Purposive Sampling technique. The research instrument used in this research is the critical thinking skills of the students of impulse material and momentum to measure the critical thinking ability of learners. The data analysis technique uses normality test, and t test to normalized n-gain value from pretest and posttest value of learners using Microsoft Excel. The results showed that the critical thinking skills of learners increased after utilizing the Software Tracker media during learning. The result of this research is proved from the significant value of ttable test of 1.691 while t count is 24.53 which means H0 is rejected and Ha accepted. The results of this study indicate that the use of Software Tracker media on the material impulse and momentum have a positive impact on improving the critical thinking skills of learners

The Utilization of Low-cost and Simple Materials on Physics Learning

Media made from low-cost and simple materials is one solution to overcome the limitations of physics laboratory facilities. This paper aims to describe the use of low-cost and simple media from a teacher's perspective as a learning planner. The results showed that in the utilization of media made from low-cost and simple materials, information literacy skills, the involvement of other experts such as universities as a teacher partner, good English skills, and involvement of learners were all required. Selection of low-cost media is based on consideration of time, cost, availability of tools and materials and conformity with teaching materials. The impact on learning shows an increase in cognitive learning outcomes of learners

Pedagogical Review of Edulogy LMS: Case Study on Indonesian Educational System

Abstrak: Learning Management System (LMS) menjadi salah satu alternative pembelajaran yang memungkinkan guru dan siswa berinteraksi secara sistematis. Selain itu, LMS juga menggambarkan solusi digitaliasasi sistem pendidikan. Penelitian ini bertujuan untuk menganalisis aspek pedagogis dalam LMS Edulogy. Metoda penelitian yang digunakan adalah studi kasus pada dua dashboard LMS Edulogy yaitu dashboard wakil kepala bidang kurikulum dan dashboard guru. Selain itu, repon pengguna juga dikumpulkan melalui penyebaran angket kepada 144 guru dan 8 wakil kepala bidang kurikulum. Hasil penelitian menunjukan bahwa LMS Edulogy cukup baik dalam memfasilitasi wakil kepala bidang kurikulum dan guru dalam menjalankan tugasnya. Sebanyak 64.44% tugas wakil kepala bidang kurikulum dan 60% tugas guru sudah terfasilitasi dalam LMS Edulogy. Secara keseluruhan, tingkat kepuasaan pada LMS Edulogy tergolong baik dimana 75% dari wakil kepala sekolah bidang kurikulum menyatakan puas dan 67.64% guru menyatakan puas. Hasil penelitian ini diharapkan dapat menjadi rujukan pengembangan berikutnya terkait LMS dan menjadi bahan pertimbangan untuk menggunakan LMS Edulogy. Abstract: Learning Management System (LMS) was an alternative learning where teachers and students interacted systematically. Besides, LMS also described the digitalization solutions of the education system. This study aimed to analyze the pedagogical aspects of LMS Edulogy. The research meth-od used was a case study on two LMS Edulogy dashboards, namely the dashboard of the vice principal of curriculum and the dashboard of the teacher. In addition, user responses were also collected by distributing questionnaires to 144 teachers and 8 vice-principals of the curriculum. The results showed that the LMS Edulogy was quite good at facilitating the vice principal of the curriculum and teachers in carrying out their duties. As many as 64.44% of the duties of the vice principal of curriculum and 60% of the duties of the teachers have been facilitated in LMS Edulogy. Overall, the level of satisfaction at LMS Edulogy classified as good where 75% of the vice principal in the curriculum field are satisfied and 67.64% of the teachers were expressed satisfaction. The results of this study were expected to be a reference for the next development related to LMS and become a considera-tion for using LMS Edulogy.

Constant speed motion analysis using a smartphone magnetometer

This study demonstrated that the constant average speed of a dynamic car could be measured and calculated using the smartphone magnetometer. The apparatus setup was built using a dynamic car, a linear track up to 1.50 m, a bunch of magnets, and a smartphone magnetometer application. The smartphone magnetometer application, ‘Physics Toolbox Suite’, was free for the experiment. The magnet and smartphone magnetometer were attached on a linear track and dynamic car, respectively. When the dynamic car are moving on the car track, the smartphone magnetometer will measure the magnetic feld value versus the time relation. The magnetic feld value will fluctuate, increasing when close to the magnet or decrease when the distance from the magnet increases. The magnetic feld properties (peaks time) versus the magnet distance position were analyzed using linear ftting, and we fnd the average speed of the dynamic car. We hope that this magnetometer experiment will be valuably used in general physics laboratories