The research aims to improve student learning achievement on the subject of equilibrium ion and pH buffer solution in class XI MIA SMAN 9 Pekanbaru. This type of research is an experimental study with a pretest-posttest design. The research was conducted at SMAN 9 Pekanbaru. The sample from the study was students of class XI MIA 2 as an experimental class and students in class XI MIA 3 as a con…
Research on the development of comic-based student activity worksheets (LKPD) with a 4C approach (Critical Thinking, Collaboration, Creativity and Communication) on chemical equilibrium material for class XI SMA/MA equivalent is an innovation in the development of teaching materials in order to achieve the demands of 21st century learning that facilitates and inspire students to be able to thin…
The purpose of this research has been to produce LKPD based on construktivisme on the subject of acid-base solution valid based on feasibility of content, language, presentation and graphic. The research was conducted in the Faculty of Education and Teachers Training University of Riau on March-June, 2019. The type of this research was Research and Development (R&D) with the 4-D development mod…
The purpose of this research was to determine whether the implementation Treffinger Type Creative Problem Solving learning model can improve creative thinking at SMAN 9 Pekanbaru on the subject buffer solution. The type of this research is experimental research with experiment design randomize control group pretest-posttest with data collection instruments using pretest-posttest and filling in …
Tradition of Gondang Naposo is the young party of Bataknese which is means to foster a relationship between the younger generations and the maturation of independent souls. In the cultural Event of Gondang Naposo, there are symbolic aspects that have a certain meaning presented from the clothes, music, to the tortor movements performed. The purpose of this research is to know the meaning of sym…
This final project discusses the power sum formula for the number and the identity of the Bernoulli number. Furthermore, it is proved by symmetry the power sum formula using the Faullhaber formula which states the power sum of numbers whose coefficients involve Bernoulli numbers. This a review of Newsome et al.’s paper [Journal of Integer Sequences, 20 (2017), 1-10]. Keywords: Benoulli�…
The research aims was to improve the student activity and achievement used College Ball learning strategy on ion equilibrium subject and ph of buffer solutions in class XI IPA 1 of SMAN 9 Pekanbaru in academic year 2018/2019. This research was an action research with three cycle design Each cycleconsisted of two meetings included four stages of implementation: planning, action, observation, and…
Giam Siak Kecil-Bukit Batu Biosphere Reserve (GSK-BB) is one of Riau's peatlands that has been utilized as Industrial Plantation Forest (HTI), so that it can cause changes in the quality of the physical, chemical and biological properties of the soil. Improvements in the quality of peat soils can be sought through restoration. This study aimed to analyze the impact of peatland conversion into i…
Peatlands in the Biosphere Reserve GSK-BB, Riau are mostly converted into Timber Plantation (TP) Acacia, oil palm plantation and settlements. Peatland conversion will affect the population and soil microbial activity. Population and soil microbial activity are indicators that are sensitive to soil quality. This research aimed to analyze the impact of peatland conversion into a TP Acacia and res…
This research aims to determine the increase in student learning outcomes by applying cooperative learning models talking chips type on the subject of Reaction Rate in class XI MIPA SMAN 4 Pekanbaru. The form of this study uses the Pretest-Postest Design Randomized Control Group. The sample consisted of class XI MIPA 1 as the experimental class and XI MIPA 2 as the control class which was rando…
Tuntun Angin plants are plants that grow around the river exposure to floods in Lake Kajuik, Pelalawan Regency, Riau Province. Tuntun Angin plants can be used as material to study the tolerance mechanism of flooding stress. Analysis of gene expression requires internal controls. One example of internal controls is Beta-tubulin that is a member of housekeeping genes. This study aims to amplifica…
This research aims to develop a valid interactive e-module Chemistry Magazine based on Kvisoft Flipbook Maker on the substance aspect, learning desain, visual communication, and software utilization to be used in chemistry learning in class XI high school in the reaction rate subject. The research was designed by research and development (R & D) design with Plomp design research,consists of pre…
Quality degradation in Patin fish (Pangasius hypopthalamus) affects the selling value of fish in the market. Handling the decline in the quality of fish before reaching consumers causes many sellers to use formalin as a preservative that is known to have an impact on health. Another alternative way that can be used is by utilizing the ability of bacteriocin activity from Lactic Acid Bacteria (B…
Bukit Tiga Puluh National Park (TNBT) is one of the Nature Conservation Areas (KPA) with a high diversity of butterflies. The Utilization Zone has a diversity of habitat types that have butterfly species. This study aims to discuss and inventory the Rhoplaocera Subordo butterflies based on morphological characters at the Talang Lakat Resort in the Riau Province TNBT Utilization Zone. The method…
This research aims to produce an evaluation in the form of HOTS (High order Thinking Skill) questions with wondershare quiz creator as display media on stoichiometric materials that are valid and reliable. The research was designed by research and development (R & D) design with Plomp design research. The object of the research is the matter of HOTS with wondershare quiz creator as a media dis…
Oyster mushroom (Pleurotus ostreatus) has good nutritional value for health and economical. Sawdust is substrate for cultivation P. ostreatus which contains many complex compounds such as cellulose, hemicellulose and lignin. This compounds are more difficult to be degraded. Inoculating bioactivators on composting substrates can accelerate the composting process and provide initial nutrients tha…
This research aimed to increase students results implementation of the use of teaching materials in the form of pocket books on subject acid base in XI MIA SMAN 2 Pekanbaru. Instrument in this research is a question of acid base compounds that has been test validation and reliability. Results showed instrument is valid and reliable. The type of this research is experimental research with random…
The Giam Siak Kecil-Bukit Batu (GSK-BB) Biosphere Research is one of the area that has the largest peatland in Riau. Some peatlands in this area have been converted into plantations and industrial plantations (HTI). The transfer of functions greatly affects the shrinkage and changes in vegetation, so an analysis is needed to determine the effect of peatland conversion into Acacia industrial pla…
Korean popular culture become a major phenomenon in various countries including Indonesia, which led to many communities formed by K-popers, including one community of K-popers Pekanbaru. K-popers as media audiences received a lot of Korean popular culture of the shows in the media. As one of them through a video clip Blackpink Ddu du ddu du are viral in Indonesia. K-popers watching video clips…
The research aims to improve student learning achievement on the subject of stoichiometry in class XI MIPA SMA N 9 Pekanbaru. This research was a experiment with randomized group pretest-posttes design. The sample of this study was X IPA 5 as experiment class and X IPA 6 as control class after being tested for normality and homogeneity tests. Normality test was performed using Liliefors test. T…