Detection and monitoring of environmental pollution, especially water pollution, need to be done regularly. Contaminated water was characterized by a decrease in the concentration of dissolved oxygen (Dissolved Oxygen, DO), which is detected using a biosensor. Living cell-based biosensors utilize cell metabolism, which results in high impedance so that measurements at low currents with the …
This study aims to design and develop an experimental straight motion device using Arduino Uno to calculate the velocity, distance, time and acceleration that has been taken by an object moving in an orderly way or moving straight in an orderly way. This research is a development research using the ADDIE model with five stages, namely analysis, design, development, implementation and evalua…
Blended learning module is a module whose application can be done in two learning: face to face learning and also on online learning. The purpose of this research is to design and produce a valid blended learning module on electromagnetic radiation material as a source of learning physics in class XII in high school and this research uses Google Classroom as a learning management system. This r…
Tangkerang Tengah Village is one of the residential locations with a densely populated area and has peat lithology. This condition causes the impact of underground water pollution due to domestic waste from housing. This study was aimed to determine the distribution pattern and qualities of its groundwater in Tangkerang Tengah village. The method used is the geoelectric of Wenner configura…
The very rapid industrial growth in Rimbo Panjang village hurts the environment. The gas station industry can have an impact on underground water pollution due to leaks in reservoirs or spills. The level of water pollution will be at greater risk because in the Rimbo Panjang area there is peat lithology. The method used is the Schlumberger rule geoelectric survey with two passes, while the …
Outdoor Learning-based physics student worksheets are assignment sheets which contain instructions for activities to be used outside the classroom. The main objective of this study is to develop a valid physics student worksheet based on outdoor learning in straight motion material for class X SMA. The subject of this study was an outdoor learning based LKPD developed in class X physics su…
The purpose of this study was to produce a valid powtoon-based physics learning video on straight motion material for class X high school seniors. The product developed in the form of a powtoon-based physics learning video on straight motion material for high school class x. The research method used in this study is to use the ADDIE model. The ADDIE model consists of five stages, namely Analysi…
This study aims to describe the increase of students' interest in learning and scientific attitudes through the application of Flipped Classroom Blog on business and energy materials in the 10th grader of SMAN 5 Pekanbaru. The methodology of the research is quasi-experimental which the experimental class was treated with the Blog Flipped Classroom learning, while the control class as convention…
Learning success determines the extent to which students' ability to achieve learning outcomes. Analysis of students 'abilities in solving problem can be used by the teacher as a tool in determining the extent of students' abilities, so that better learning methods can be carried out. The purpose of this study was to determine the ability of students in solving LOTS and HOTS problems in phy…
The purpose of this study was to determine the validity of the development of interactive learning media using Lectora Inspire on Motion and Style material. This development research uses the R&D (Research and Development) method developed by Borg and Gall (1983). The object of this research is interactive learning media using Lectora Inspire on the material of motion and style at junior hig…
The learning device developed are learning device based on the TTW type kooperatif model with mind mapping on global warming material for class XI high school students, consisting of a Learning Implementation Plan (RPP), Student Worksheets (LKPD), and Learning Outcomes Test. The purpose of this study was to determine the validity of learning device based on the TTW type kooperatif with mind map…
This research aimed to describe the understanding of physical concepts by the implementation of SAVI strategies (Somatic, Audiotory, Visual, and Intellectual) using media education cards and knowing differences student’s understanding of physical concepts by SAVI learning strategies using media education cards with conventional learning models. The research method used is Posstest-Only design…
The friction coefficient experiment tool developed by some previous researchers still has some shortcomings, including the use of sensors that still fail to be used, the formation of the slope angle is still done manually, and the tools used to measure the static and kinetic friction coefficients are still done separately. This study aims to develop a valid and practical experimental device…
Research on interpretation of underground water depth has been carried out in Kulim Village, Tenayan Raya District, Pekanbaru City using the Schlumberger Configuration Geoelectric Method. Data acquisition was carried out using a set of resistivity meters on two tracks with a stretch of 100 meters. The data obtained are current strength (I), potential difference (V) and the amount of resistance …
The separation and characterization of magnetic particles of sand from Gandoriah beach Pariaman, West Sumatra has been carried out. The iron sand samples were collected from 5 sites with the amount of 1 kg and than dried first, then continued with separation between magnetic particles and non magnetic particles using Iron Sand Separator (ISS). The product of Iron Sand Separator is called conce…
The purpose of this study is to examine the validity of a high school physics learning media in straight motion topics for android using the unity application. This development research used ADDIE model that consists of five stages, namely Analysis, Design, Development, Implementation, and Evaluation. However, this development research is limited to the development stage. The data in this study…
This study aims to describe the discipline of student learning by applying the cooperative learning model of the trio unit type duel team games tournament (TUDTGT) to earth subject. This type of research is descriptive research. The subjects in this study were students of class X.MO 2, totals are 33 students. Data collecting techniques in this study such as observations with data collection res…
This study aims to determine the improving of students creative thinking ability by applying the experiential learning model, and to know the difference in students improving creative thingking ability in the class applying the experiential learning method with the class applying the conventional method in SMP Negeri 5 Pekanbaru . The population in this study is 296 students that spread over i…
This study aims is to describe the difficulties experienced by students of SMAN 4 Pekanbaru and explain the factors causing difficulties in solving HOTS questions based on Heller Stages indicators. This research uses survey research methods. The research procedure used is preparing instruments, determining population and samples, taking research data, analyzing research data (descriptive analys…
Science learning especially physics is a learning that educates students to act on the basis of critical thinking and critical scientific behavior. The purpose of this study is to describe the level of critical thinking skills of class VIII students in SMP Negeri 4 Pekanbaru on the science physics material of Vibrations and Waves. The population in this study were class VIII students of SMP Neg…