Research on the crystalline size and particle size distribution of magnetic nanoparticles of beach sand Sungai Suci Bengkulu synthesized using 2-stage ball milling method has been done. The samples were characterized using X-Ray Diffractometer (XRD) and Particle Size Analyzer (PSA). Magnetic induction measurement on ball milling products has been carried out using Pasco magnetic probes. Ir…
ABSTRACT Silver nanoparticles have been synthesized based on Annona muricata fruit extract. The synthesis process started by mixing the solution Annona muricata fruit extract (50 g/L) and AgNO3 (0,01 M) with a volume variation of 10:30 (ml), 7:33 (ml) and 5:35 (ml) using a reduction method. The process optimization was mixed the synthesis volume of the two solutions and characterization of…
ABSTRACT The application of drying technology based on coconut waste has been carried out in drying the raw material for cow skin crackers by a home industry in the drying technology of the automation system and analyzing the rate of decrease in the moisture content of the raw material for cow skin crackers. The parameters measured were the moisture content and temperature of the drying eq…
ABSTRACT Interpretation of groundwater in Gean De Green Housing, Rimba Panjang Village, Tambang District, Kampar Regency has been carried out using geochemical and geoelectric methods of the Wenner-Schlumberger rule. This study aims to identify aquifer layers, determine flow patterns and quality of groundwater. Measurements were made on two tracks with a length of 115 meters for each track…
ABSTRACT Porous activated carbon monolith derived from renewable and environmentally friendly biomass of‘red shoots’ leaves (Syzygium oleana)was prepared for electrode material of supercapacitors. The raw materials were converted into biochar by using ZnCl2 impregnated and one-stage integrated pyrolysis. The samples were chemically activated using the 1 M ZnCl2, which was then convert…
The learning device developed is a physics learning tool based on the Novick model to improve students' conceptual understanding of class XI SMA on static fluid material, consisting of Learning Implementation Plans (RPP), Student Worksheets (LKPD), and concept understanding test instruments. The purpose of this research is to produce a valid Novick model-based physics learning device that is us…
This research aim to verify the practicality of learning media in dynamic fluid material which contains of experimental tools and students’ worksheet in Bernoulli’s law and the principal of continuity. Before the test of practicality, these experimental tools and students’ worksheet have been avowed valid of 3 validators which are physic education experts. Research approach that has …
This study was aimed to develop learning tools based on the Susan Loucks-Horsley Model on Vibration and wave material for class VIII in junior high school, to investigate the validity of learning devices that have been developed. The device development model used is the Research and Development (R & D) model with a design 4D developed by S. Thiagarajan, et al. Teaching tools developed in the fo…
Multimedia Interactive Learning Temperature and Heat previously had shortcomings, namely not yet integrating visualization of temperature conversion, expansion, Black Principle, and Heat transfer with material in one learning media, and not yet equipped with practice questions and evaluation questions for easy, medium, and difficult levels of difficulty. This study aims to develop interact…
The use of learning media is very necessary for the delivery of modules, especially on light modules and optical devices that can explain the concepts virtually. Therefore, the purpose of this study was to produce WEB media based on the Lectora inspire type 17 application on light materials and optical instruments in junior high schools and to determine the validity of the learning modules …
The aim of this research is to develop KUSUKA (Buku Saku Fisika) based on constructivism as a valid physics learning media in senior high school. This type of research is Research and Development (R&D) using the ADDIE ID model. The development of KUSUKA has been done by considering the pocketbook theory as a learning media and constructivism theory. The data was collected through the validation…
The materials learning physics in class XI senior high school is related to one of the topics on rotational dynamics and rigid-body balance which in fact still has obstacles. One of the problems is the limitations of the media and the lack of interest of students so that the material is generally difficult for students to understand. The use of media in the learning process can increase stu…
This study aims to generate an interactive e-module using kvisoft flipbook maker application to improve the students’ conceptual understanding and learning motivation on the redox material. This study is the students’ motivated by a lack of learning motivation and the students’ conceptual understanding of redox material and a lack of innovative or electronic-based teaching materials i.e. …
Every student is required to have scientific literacy and learning independence. Based on preliminary research, it is found that the scientific literacy skills and learning independence of students are still low. So, to increase the ability of scientific literacy and learning independence of students, it can be done by developing and using the specially developed e-module atomic structure m…
Mobile learning is a learning media that uses technological devices such as mobile phones, laptops, etc. With mobile learning, students can access educational content easily. The research conducted aims to make learning media in the form of mobile learning media substances and their characteristics that can be accessed boldly. The type of research used is Research and Development (R&D) using th…
Physics is an abstract lesson so that there are many misconceptions experienced by students, especially during the COVID-19 pandemic, especially business and energy materials. Therefore, the purpose of this research is to develop media in the form of interactive video using articulate storyline 3. The research method used is Research and Development (R&D) using the ADDIE model which is only lim…
The use of learning media is very important. However, learning media has not been used optimally. Based on the results of observations in one junior high school, students are still lacking in maximizing the learning media for environmental pollution. This is because students cannot directly observe the object of pollution during learning. For this reason, it is necessary to develop media and sc…
A Physics-Lab based physics learning module is a learning media that can help students do virtual experiments on dynamic electrical material for grade IX SMP. The module is build with a usage guide, brief materials, LKPD, and problems so it can improve student science process skills. The purpose of this research is to produce valid and worthy learning modules on dynamic electrical for class IX …
The Minister of Education and Culture of the Republic of Indonesia issued Circular Letter Number 4 of 2020 concerning the Implementation of Education Policies in the Emergency Period for the Spread of COVID-19, in the Circular it was explained that the learning process was carried out at home through online/distance learning. In addition, the purpose of Indonesian education as stated in the 4th…
The COVID-19 pandemic is a tragedy that grieves the entire population of the earth. All segments of human life on earth are disrupted, without exception education. On March 24, 2020 the Minister of Education and Culture of the Republic of Indonesia issued Circular Letter Number 4 of 2020 concerning the Implementation of Education Policies in the Emergency Period for the Spread of COVID, in the …