This research aims to determine the validity of the developed STEM Entrepreneurship e-module teaching materials on biotechnology and the influence of the developed e-module on students' creative thinking and life skills on biotechnology material. This research consists of two stages, that is the first stage of development e-module using Research & Development through the ADDIE approach in the…
Electronic LKPD as teaching materials have been developed by several researchers before, do not include integration with Science, Environment, Technology and Society and have the advantage of more interactive features. This research aims to develop an interactive E-LKPD with SETS-oriented Liveworksheets on Human Body Defense System material that is valid, practical and effective for use in high…
21st century education for students requires learning that is no longer just conventional academic learning that emphasizes educational authority in learning, but rather education that offers learning services that enable them to collaborate, communicate, solve problems, think critically, be creative and innovative. To realize the challenges of the 21st century and industry 4.0 which uses techn…
21st century skills refer to the skills that a person needs to face the challenges of the 21st century which are active globally, digital transformation, collaboratively moving forward, increased creativity, competent search for resources and quickly adapting to change. 21st century skills are grouped into three components, namely basic literacy such as cultural literacy and citizenship, compet…
TPACK is the basis for effective teaching with technology, the pedagogical ability to use technology to teach in a constructive way. TPACK needs to be possessed by every teacher or prospective teacher because it is closely related to the four main competencies of teachers, one of which is social competence. Academic procrastination is a tendency not to start a job immediately and avoidance due…
The 21st century is also known as the era of science and communication. To face the challenges of the 21st century, quality human resources are needed through the education sector. This research aims to determine the validity, practicality and improvement of students' critical thinking skills and environmental care attitudes by using teaching materials for wetland ecology modules based on Educa…
Basal Stem Rot in oil palm tree caused by Ganoderma sp. is the most destructive disease for both adult and young plants in Indonesia. The use of endophytic bacteria as biocontrol agents has several advantages such as relatively cheap prices, easy application, and environmental friendly. The research was conducted to isolated and tested the antifungal activity of endophytic bacteria of Sentul fr…
Tristaniopsis obovata Benn. is one of the herbal plants that often used for the treatment of various diseases because it has secondary metabolite compounds such as flavonoids, saponins, tannins and steroids/triterpenoin. Some compounds are known to have antioxidant activity that can affect hematological profiles. This study aims to determine the effect of toxicity of ethanol extract of T. obova…
This research aims to determine the Work Coordination of the Front Office Department with Housekeeping at The Zuri Pekanbaru Hotel. the form of coordination between the front office department and housekeeping still has miscommunication but can still be corrected, for the factors that influence work coordination between these departments has been running quite well, while the inhibiting factor …
Lactic acid bacteria (LAB) are bacteria that are safe for human consumption. Tempeh is a substrate that can be metabolized by lactic acid bacteria (LAB) so that it can be utilized to maintain the balance of intestinal microflora. The probiotic properties of LAB contained in tempeh need to be tested biochemically. The purpose of this study was to isolate LAB from tempeh and determine the potenti…
One way to be able to have quality human resources and have competitiveness in facing competition in the era of globalization is to improve the quality of education. One of the supports for the creation of quality education is the use of media in learning. The use of learning media aims to make material that is difficult to understand easier to be understood. Based on observations at MAN 2 Kuan…
In Bengkalis Regency, Riau Province, many beaches have been damaged by abrasion over the last few decades. This abrasion has also resulted in severe mangrove damage, one example of which is found on the coast of Bukit Batu Village. The purpose of this study was to analyze the condition of mangroves found in one segment of the village beach. Observations were made using four 100 m x 10 m transec…
Bengkalis Regency in Riau Province is one of the areas most affected by abrasion in recent decades. The phenomenon of abrasion has many environmental impacts, including on the remaining mangroves, such as those found in Api-Api Village. This study aims to analyze the existing condition of mangroves affected by abrasion on the coast of this village. In this study, one of the 100 m long beach seg…
Coastal abrasion at a high rate in the Bengkalis Regency area, Riau Province, is increasingly causing damage, including damage to mangrove vegetation found on the coast of Buruk Bakul Village. This study aims to analyze mangrove damage on the coast of this village. The method used was purposive Sampling by selecting a 100 m long beach segment and making four transects (100 m x 10 m), consisting…
Pelawan plant (Tristaniopsis obovata Benn.) used by the community as traditional medicine to treat various diseases. Giving the extract determines whether the animal is safe or not from the Lethal Dose (LD50) test. The research aims to determine the LD50 value, clinical symptoms due to administration of ethanol extract of Pelawan leaves, and the influence of toxic effects on the liver structure…
The Siak River is a river that flows in the city of Pekanbaru which has several tributaries including the Sail River and the Umban Sari River. The Siak River plays a role as a fishery resource. Generally the types of fish found are consumption fish, apart from transportation activities, bathing, washing toilets, However, the many activities along the Siak River such as waste disposal, agricultu…
Bogor Botanical Garden is one of the places ex situ conservation that has many rare plants as collections. One of the plants in the garden is Cipadessa baccifera. Until now, no new saplings have been found in the Bogor Botanical Garden other than the mother tree. It is suspected that propagation of this plant is difficult due to less than optimal planting media. Therefore, it is necessary to co…
The beaches in Bandar Laksamana Sub-district, Bengkalis Regency, have experienced abrasion at a high rate in recent decades. In addition to eroding land, abrasion has resulted in severe damage to mangrove vegetation, one of which is found on the coast of Tanjung Leban Village. This study aims to analyze the condition of mangrove vegetation found on the coast of this village. Observations were m…
Macrozoobenthos is a type of aquatic organism that moves relatively slowly and can live for a long time. This research aims to identify the types of macrozoobenthos in the Batang Lubuh River, Hulu Kefullness Subdistrict, Rokan Hulu Regency. Macrozoobenthos sampling was carried out at three stations, namely the upstream part of the river, the middle part of the river flow, and the downstream par…
The Ghimbo Potai Traditional Prohibited Forest is one part of the Kenegerian Rumbio Traditional Prohibited Forest, Currently, there is no data regarding the species and diversity of Anura Order in the Ghimbo Potai Traditional Prohibited Forest. Therefore, to complete the data on the Anura Order species found in the Kenegerian Rumbio indigenous Prohibited Forest. This study aims to compare the …