Four-Tier Heat and Temperature Diagnostic Test (4T-HTDT) to Identify Student Misconceptions

There are limited studies on the diagnosis of heat and temperature misconceptions using a four-tier instrument diagnostic test. Therefore, this study aims to identify misconceptions in heat and temperature material. The survey research was conducted on 164 students at SMAN 2 Bantul. Students were selected using a convenience sampling technique. Identification of student misconceptions using the Four Tier Heat and Temperature Diagnostic Test (4T-HTDT). Students' conceptual understanding is calculated using the percentage technique. The results of this study indicate that there are still many students who have misconceptions on the concept of "heat-temperature as an extensive quantity" and "heat-temperature depends on material objects". The findings are expected to be a strategic step for designing appropriate remedial teaching.

M Model Pembelajaran APPOSITE Berbantuan Video Animasi dalam Meningkatkan Hasil Belajar dan Kemampuan Berpikir Tingkat Tinggi Siswa pada Materi Fluida Statis

Application of learning model APPOSITE (Application of Step Instruction and Elaboration) with animation videos on this research have to purpose a differents enhancement study result and higher order thinking skill (HOTS) student on fluida statis. Research types is pre-experiment with one group pretes-posttes design. research subject is XI MIPA 6 Student of senior high school 1 Pesanggaran Banyuwangi, with one class experiment which choosed by Fisika’s teacher. Acquisition technique data is interview, documentation, pretes, student worksheet, and posttes. Analysis technique data research is use descriptive analysis to know higher order thinking skill, t-test to know enhancement study result of APPOSITE model with videos animation. Subsequently supported with account n-gain from pretes-posttes score experiment class. Based on result this research, APPOSITE learning model with animation video have a good effect and enhancement higher order thinking skill (HOTS) student, and model is effective enough to enhancement study result student. This is also supported of the result n-gain is obtained 0,639.

Desain Rancang Bangun Trainer Kit untuk Menentukan Pengaruh Jenis Bahan Tali Terhadap Cepat Rambat Gelombang

The aim of the research is to establish the design of the trainer kit project to determine the effect of the rope material type toward the rope wave velocity and the effect of the type of nylon, raffia, polyester, hemp and chinnese satin rope materials on the velocity of rope wave propagation. The research method used is the Research and Development method using Nieveen design. The development of trainer kit uses an Arduino UNO microcontroller equipped with a proximity sensor HC-SR04 for measuring the rope wavelength. One point of the rope is tied with a timer ticker and the other is tied to a hanging load which is resting on a pulley. When the power supply is turned on, the timer ticker will vibrate to move the rope that has been tied. The rope will form a transverse wave. The result of this research, the design of trainer kit is development by using micro-controlled Arduino UNO and a proximity sensor HC-SR04 can be declared as a valid result. There are mass convention impacts of the type of rope likely nylon, polyester, raffia, hemp and chinese satin toward the rope wave velocity.

Keterampilan Proses Sains Mahasiswa Pendidikan Fisika STKIP Nurul Huda pada Mata Kuliah Optika

This study aims to determine the Science Process Skills (KPS) of Physics Education Study Program Students in the Optics Subject. This research uses a descriptive method. The analyzed consists of 9 indicators including observing, clarifying, interpreting data, predicting, hypothesizing, analyzing, planning, experimenting / researching, using tools and materials, applying concepts and communicating. The results showed that the Science Process Skills as a whole obtained an average score of 84.10% in the very good category. Thus it is very clear that KPS Physics Education student STKIP Nurul Huda has excellent skills so that it has a positive effect on the development of student thinking patterns and attitudes which will ultimately have an impact on student success in learning..

Peningkatan Level Pemahaman Konsep Teori Kinetik Gas Mahasiswa Calon Guru Fisika Melalui Metode Demontrasi Interaktif dengan Bantuan Ragam Media Visual

The research on increasing the level of understanding of the kinetic theory of gases concepts for prospective physics teacher students through interactive demonstration methods with the help of a variety of visual media has been carried out. This study aims to determine the increase in the level of students’ understanding of the kinetic theory of gases concept through interactive demonstration methods with the help of various visual media. The method used was pre-experimental with one group pretest-posttest design. The research subjects were 76 prospective physics teacher students at a university in the city of Makassar, South Sulawesi. The test instrument used was a concept understanding level test in the form of an essay consisted of three questions. The results showed that most of the students reached a complete understanding level of the kinetic theory of gases after attending a basic physics course through interactive demonstration methods with the help of various visual media. Thus, the level of students’ understanding of kinetic theory of gases concept has increased through interactive demonstration methods with the help of various visual media.

Pengukuran Kecerahan Langit Arah Zenit di Medan dan Serdang Bedagai Menggunakan Sky Quality Meter

Light pollution is a worldwide problem that affects fewer stars that can be seen at night. This study aims to measure the brightness of the sky in the zenith direction to minimize the effect of light pollution in observing celestial bodies. The research used the observation method of sky brightness level with SQM. Measurement of sky brightness was carried out in two places, namely in Medan and Serdang Bedagai. The SQM is mounted in a zenith direction and set to retrieve data every two seconds. Observations were made on November 10-13, 2018, during the new moon phase. The average value of sky brightness obtained in Medan is 18.05 mpsas and the NELM value is 4.00. Based on the Bortle scale, Medan is included in the ninth class area, namely the inner-city sky. Meanwhile, the average value of sky brightness obtained in Serdang Bedagai is 19.69 mpsas and the NELM value is 5.26. Based on the Bortle scale, Serdang Bedagai belongs to the sixth class area, namely bright suburban sky.

Analisis Kemampuan Self Regulation Siswa pada Pembelajaran Sains saat PJJ Online di Era Pandemi Covid-19

This study aims to determine students' self regulation during the Covid-19 pandemic at islamic senior high school in Kabupaten Karawang, West Java. The research method used descriptive method and data collection techniques using a survey through Google Form. The research subjects were Grade X,XI,XII . The results showed that the skill of students’ self regulation was in the high category with presentage of 17%, medium category 69% and high catogory 14%. Based on three components of self-regulation, majority of students were in medium category (cognitive 66%, behavior 62% dan motivation 50%). Analysis also have done to measure the skill of students’ self regulation before and after online learning. Majority of the students were ini medium category (preparation 76%, implementation 53%, reflection 64%). The result of the reasearch show that the students need more effort to enhance the skill of self regulation, to be success in online learning.

Pembuatan Sistem Perancang Peredam Kebisingan

One of the problems experienced by the community, whether at home or at work, was the disruption in the sense of concentration caused by noise. This study aims to measure noise as well as provide materials to reduce noise in the area. The time for data collection was one day, carried out for 4 samples of data collection based on a reference from the Ministry of Environment, no: Kep-48 / MENLH / 11/1996. The measurement method also using SNI standard number 7231 in 2009. Then based on the noise value displayed on the instrument, material recommendations will be given based on the value of Noise Reduction Coefficient (NRC), Sound Transmission Coefficient (STC) and Loss Factor. The results of noise measurements at the AT-Taqwa Mosque are 77.1 dB and the recommended material recommended by the tool is Acourete Perfowood - Acoustic Panel 881 with NRC 0.375. While the measurement at the Musholla at Pasar Minggu station is 76.8 dB and the recommended material recommended by the tool is Accourete Fiber 300 with an NRC of 0.44.

Pengembangan Alat Uji Efisiensi Lampu Berbasis Mikrokontroller Arduino Uno untuk Evaluasi Tingkat Pencahayaan Lampu Meja Belajar di Laboratorium Fisika-Mekatronika Politeknik STTT Bandung

In this research, a light efficiency test tool has been designed using an Arduino UNO microcontroller to provide an understanding of the use of the ohm law application in basic physics practicum. This lamp efficiency test prototype uses an LDR sensor device and a resistor connected to the Arduino microcontroller as a light intensity detector, while the variation of electrical power is used by an AC variac with the lamp distance to the sensor having a constant value. The experimental results showed that the efficiency of the lamp can be obtained through a gradient of the luminosity curve on electric power. The efficiency of the lamp is 16.935 lm/watt and the average resistance can be obtained on 983.01 which the intensity in lux is 337,05 lux on 157,68 Lm and the maximum intensity in lux can be obtained on 453,35 lux on 208,54 Lm.

Pengembangan E-UKBM Dengan Aplikasi Kvisoft Flipbook Maker dalam Pembelajaran Fisika untuk Meningkatkan Kemampuan Problem Solving Peserta Didik

The Self-Study Activity Unit Electronic (E-UKBM) is a small learning unit that orderly arranged from easy to difficult level based on e-learning using kvisoft flipbook maker application as the development of teaching material through interactive teaching media to improve students problem solving skill. E-UKBM has the characteristic of learning tool to achieve competency of knowledge and skill on teaching process using Sistem Kredit Semester (SKS). The aim of the use of E-UKBM is to improve students problem solving ability. This type of research develops the result of Plomp’s research design model, (1) Preliminary Investigation, (2) Design, (3) Realization/Contruction, (4) Tes, Evaluation, and Revision, (5) Implementation. The sample of this research is students of X MIA 3 SMA N 1 Purworejo. This data analysis was done by using the validity and reliability test, the problem solving ability test using the pre-test and post-test. The result of this study indicate that E-UKBM is valid, practical, and effective so that it is feasible to improve students problem solving ability.