This study aims to determine how to design air arduino particle, temperature and humidity particle detector based on arduino microcontroller and determine the level of validity and practicality of air dust particle, temperature and humidity detection instruments in the learning of environmental pollution and global warming in junior high schools. The research method used is research and develop…
The purpose of this study is to describe the improvement of student creative thinking abilities and the creativity of the eighth grade students of SMP YLPI Pekanbaru by using physics tree media in learning physics. The method used in this research is Quasi Experiment with Posttest-Only Design. This research was conducted in two classes that were given different treatments. The average results o…
This study aims to produce a multi-representation module based on High Order Thinking Skills (HOT) that is valid on straight motion material and can be used in learning. The type of research that will be used is research and development (according to Sugiyono). The object of this research is a multi-representation module based on High Order Thingking Skills (HOTS) on straight motion material. T…
Concept mastery is the ability of students to understand science scientifically both concepts in theory and their application in everyday life. The SSCS learning model is able to improve students' concept mastery abilities. The method used to measure the level of mastery of student concepts is done by applying Bloom's taxonomy to the categories of remembering, understanding, applying, analyzing…
Pekanbaru is an area that tends to experience the effects of air pollution due to haze and dust in the dry season, causing the need for early understanding for students at school. For this reason, experimental media need to be specifically designed for learning physics physics about environmental pollution and global warming in secondary schools. The purpose of this study is to analyze the desi…
This study aims to describe the cognitive learning outcomes of students with the application of brainstorming on global warming material in class VII SMP 13 Pekanbaru. This type of research is a pre experiment with the research design is intact group comparison. The subject of the research was VII grade students of SMP Negeri 13 Pekanbaru in Academic Year 2018/2019. The instrument used to colle…
This study aims to describe the cognitive abilities of students and determine differences in cognitive abilities of students grade X of SMA Negeri 8 Pekanbaru by using the Kahoot! online quiz in physics learning and conventional learning on circular motion material. The type of research used is quasi-experimental and research design is intact group comparison. The research subjects were class …
At this time, the work environment requires basic skills that are integrated with real life experience. Many students who fail to acquire these skills face the risk of unemployment because they only have theories or memorization that are not accompanied by the application of theory in daily life. Thus, to be more innovative, to have good, ideal and imaginative creativity, one must have high ord…
This study aims to produce a cognitive test instrument based on Bloom Anderson's taxonomy on material elasticity and Hooke's law to measure students' cognitive abilities. This type of research used in research is Research and Development (R&D) by using a 4-D development model (Define, Design, Development and Dissemination). The research phase starts from defining and defining the development re…
Psychomotor skills are skills needed to acquire, develop, and apply concepts, laws, and theories of science, both in the form of mental skills, physical skills (manual) and social skills. This study aims to determine the increase in learning outcomes of students' psychomotor skills after the application of Discovery Learning on the material of the Static Fluda class XI IPA YLPI Pekanbaru. This …
A comparative study of magnetic susceptibility of seawater on West and East coast of central Sumatra using the Quincke method has been done. The amount of sea water was collected for 500 ml of location. The number of sample location are 24 points from three West coast locations of Sumatra and one from East coast Sumatera. The method used for sampling is a distance function with a range of 300…
The analysis of aquifer potential has been done in the Rumbai Pesisir District of Pekanbaru City by using the Schlumberger configuration geoelectric method. Data was taken from four villages in Rumbai Pesisir Subdistrict, in Lembah Damai, Limbungan, Limbungan Baru and Meranti Pandak. The result obtained using progress software showed that each location has aquifer with different layer and thick…
Mapping of the level of pollution of Siak river has been carried out before and after the filtration system with 2 times of filtering based on physical parameters using the experimental method. This research was conducted by measuring the conductivity value, pH, and calculating the TDS value. The sampel used were water taken at 30 points above the surface of the Siak River in area A with coordi…
This research aims to analyze the physical parameters of shrimp crackers that have gone through the drying process by using an arduino-based cracker drying device using corncobs waste energy. The temperature measurement of each drying rack uses a thermometer and the maximum temperature obtained on rack 3 is 60,5oC, the maximum temperature on rack 2 is 58,5oC, and the maximum temperature on rack…
Barium Strontium Titanate (BST) thin films are electronic devices based on ferroelectrics formed from Barium Carbonate (BaCO3) doped with Strontium Carbonate (SrCO3) and Titanium Isopropoksida Ti(OC3H7)4 . BST thin films with different of compositions (x = 0.45 ; 0.55 and 0.65) were made on the glass substrate using the sol-gel method and annealing process at different temperatures ie 600oC,…
Domestic waste is water that comes from daily activities but does not include feces. filtration is like a filter that uses sand as a filter media that has a very small grain size and high quartz content. This research was conducted to analyze and compare the quality of domestic wastewater before and after filtration using coagulants and slow sand filters on Jalan Swakarya, Tampan Subdistrict, T…
Barium Titanate (BaTiO3) and Strontium Titanat (SrTiO3) are thin layer semiconductors on a ferroelectric crystal that has a perovskite crystal structure so that they can be applied as sensors especially capacitors. The creation of BaTiO3 and SrTiO3 materials in the form of thin films on a glass substrate has been successfully carried out. The method used is the sol-gel method. The goal to be ac…
Research on predictive analysis of two-dimensional models of potential groundwater that is environmentally friendly in the District of Bukit Raya has been successfully carried out. This research uses a field survey methodology that aims to determine and predict water requirements, underground water availability in the Bukit Raya District of Pekanbaru City from 2018 until 2025 based on data from…
The synthesis of iron sand from Kata beach Pariaman Sumatera Barat has been done by ball milling method. Before the process of crunching of the iron sand concentrate using ball milling, the sample was first processed through Iron Sand Separator to obtain the iron sand concentrate. Subsequently, the concentrate was crunched using ball milling for 7 hours. Then the separation of iron oxide partic…
This study aims to produce high-school physics learning media Newton's legal material about valid motion so it is worthy to be used as a medium for learning physics of high school students. The research method used is research and development with development stage following the ADDIE model. Media developed through three stages in accordance with the development model used. In this study, the m…