One of the problems faced in Indonesia is the weakness of the learning process where currently students are not encouraged to develop their thinking skills, and learning in class is only directed at memorizing information without being required to understand what they remember. One way that is considered to be able to overcome problems in the teaching and learning process is by applying the SQ3…
The purpose of this research was to develop questions based on critical thinking skills in dynamic electricity material and to determine the feasibility of the questions that had been developed in terms of validity and reliability aspects. The questions developed in this study refer to six indicators of critical thinking based on Facione's opinion. This type of research is research and developm…
Pembelajaran pada abad 21 dituntut berbasis teknologi yang dicirikan dengan berkembangnya informasi secara digital. Proses pembelajaran memiliki beberapa unsur penting diantaranya metode dan bahan ajar yang digunakan. Guru sebagai pendidik harus berusaha menjadi fasilitator yang mampu menyediakan bahan ajar yang mudah diakses, salah satunya adalah pengembangan modul elektronik (e-modul). Salah …
The purpose of this study was to determine the effectiveness of the application of the Teams Games Tournament cooperative learning model, assisted by wordwall, on the conceptual understanding of grade 7 students at SMP Muhammadiyah 1 Pekanbaru. The type of research used was experimental research with a quasi-experimental "non-equivalent control group design" with the "posttest only control grou…
Model pembelajaran merupakan suatu bagian yang integral dari proses pendidikan disekolah dan mempunyai peranan yang sangat penting dan strategis dalam upaya membantu tercapainya tujuan pembelajaran yang efektif dan efisien. Fisika salah satu mata pelajaran di kurikulum 2013 yang harus dikuasi oleh siswa, karena pada hakikatnya pembelajaran fisika merupakan mata pelajaran yang wajib di SMA. Sela…
Concept understanding is an important component in science learning. The level of concept understanding can be used as a measure of success in learning. The selection of learning media and approaches when conducting learning is expected to increase students' understanding of concepts. This study aims to determine the increase in understanding of concepts when applying Go-Lab through an inquiry …
Science learning in junior high schools still uses traditional learning which places the teacher as the center (teacher centered) dominated by the lecture method. Students active in the class, the learning cycle 5e learning model is used with the help of a talking stick game. The purpose of this study was to determine differences in student learning outcomes with classes that apply the learning…
Pendidikan berperan penting dalam mengembangkan potensi peserta didik yang dilihat pada proses pembelajaran fisika. Serangkaian kegiatan pembelajaran pada dasarnya bertujuan untuk membantu mengembangkan peserta didik guna mampu memahami suatu konsep. Masih lemahnya pemahaman konsep diperkuat dengan hasil penelitian Purwaningtyas yang melakukan penelitian terhadap siswa kelas XI SMA Negeri 1 Pur…
Biomass-derived carbon materials having nanofiber structures play an important role in the development of green and sustainable energy technologies because of their natural abundance, high specific surface area, heteroatom content, and porous structure. Carbon materials with heteroatom doping can improve the performance of supercapacitor cells by adjusting the surface properties of carbon elect…
This research aims to describe the effectiveness of the application of KIT Science with a scientific approach in improving students' concept understanding. The design used is a quasi-experimental: Posttest only control group design. The population in this research were all seventh grade students of SMP Negeri 1 Bagan Sinembah Raya for the academic year 2022/2023 with a sample of 43 students con…
CTL-Based Physics Module on Newton’s Law Matterial thas has been developed as a solution to problems found through interview observations, namely learnin that is still mostly teacher-centerde and the use of modules in learning in high school is still rare. This study aims to determine the validity of the CTL-based module on Newton’s Law material and its effect on increasing student’s…
The effect of seawater intrusion on groundwater has been carried out in Tanjung Kapal Village, Rupat District by using the geoelectric method of the Schlumberger configuration. This study aims to determine the resistivity value, layer depth, thickness of the groundwater layer, determine the effect of seawater intrusion on groundwater and determine the water quality of residents' wells. Data pro…
The development of hydrogen plasma greatly expanded generated by microwave system has resulted in high energy efficiency. The application has a pioneer invention used at atmospheric pressure. In addition, microwave frequency of 2.45 GHz can assist decompose Carbon Dioxide and produce hydrogen as the main component of the fuel. Therefore, this frequency plays as important role as source of …
The ability to think critically is one of the competencies that must be possessed by students. The low ability to think critically becomes a problem that must be solved. Gender differences are one of the factors that influence in the formation of critical-thinking characters. To develop students' critical thinking skills, it is necessary to innovate learning by applying one of the learning mode…
Interactive learning media based on mobile learning on the android platform is a media designed to be used on android smartphones to support learning activities. In the learning media there are various materials, sample questions, and also practice questions. The material presented in the learning media is presented in the form of text books and also learning videos, so that it can facilitate s…
ABSTRACT Water pollution by heavy metals is a serious problem in human life and the lives of other living things in particular. The method that can be used is adsorption with Magnetic Nanoparticles. Magnetic nanoparticles were prepared from natural sand in Logas Village, Kuansing Regency using ball milling for 120 hours. The product from ball milling obtained was divided into 3 parts and then …
Yoghurt-curd is a fermented milk product that is favoured by people in the Kampar area. The quality of the curd depends on the number of bacteria and changes in the pH value. The addition of preservatives can increase the storage time of curd, but reduce the quality of the curd itself. This study aims to determine the quality degradation of the curd using the impedance measurement method. Chang…
This Research has carried out on natural sand originating from the Rokan river, Riau Province by converting it into magnetic iron oxide nanoparticles to determine changes in magnetic properties and particle size. Natural sand samples of the Rokan river were separated between magnetic and non-magnetic particles using an Iron Sand Separator (ISS). ISS products are further synthesized using ball m…
Disposal of industrial waste containing metallic Mercury causes water pollution that is harmful to human health. Colorimetric sensors using silver nanoparticles are the most promising alternative for detecting Mercury-contaminated water. In this study, silver nanoparticles (AgNO3) were synthesized by reacting silver nitrate solution with Matoa leaf extract (Pometia pinnanta) as a bioreducta…
Saat ini sistem hidung elektronik optik sedang dikembangkan sebagai alternatif dari sistem hidung elektronik semikonduktor. Sistem hidung elektronik optik telah banyak digunakan untuk mengestimasi kualitas buah seperti menentukan tingkat kematangan buah. Proses estimasi ini adalah bagian yang sangat penting dalam sistem sortasi buah secara otomatis. Pada penelitian ini sistem hidung elektronik …