This study aims to determine the effect of Cooperative Learning Model type Make a Match on the learning outcomes of grade V elementary school students in the 2024/2025 academic year. This research is quantitative with the research method used is experimental research with the type of Quasi Experiment research using the research design Nonequivalent Control Group Design. Pretest-posttest control…
This study aimed to examine the effect of leg muscle training on long-distance kicking ability in Garuda Junior Soccer School (SSB) U-17 Pekanbaru players. The research employed an experimental method with a pretest-posttest control group design. The sample consisted of 20 players divided into two groups: the experimental group (10 players) who underwent a five-week leg muscle training program …
The research problem in this study is how the implementation of caregiver services for children at Rumah Bahagia Pelita Kasih Orphanage, Payung Sekaki District, Pekanbaru, is carried out. The purpose of this study is to find out how caregivers provide services to children at the orphanage. This research focuses on three indicators: (1) Interaction, (2) Activity, and (3) Foster Children’s Sati…
This study aims to identify misconceptions about reaction rate material among 11th grade students at SMA Negeri 15 Pekanbaru. This study uses descriptive analysis with a quantitative approach. The sample in this study consisted of 161 twelfth-grade students at SMA Negeri 15 Pekanbaru who had studied reaction rate material. Data collection techniques used a five-level diagnostic test instru…
This study aims to determine the effectiveness of the problem-solving learning model in improving economic learning outcomes in class XI IIS students at SMAN 6 Tapung. The method used is a quantitative approach. The type of research used is a quasi-experimental. The objects in this study were all class XI IIS students consisting of two classes, namely class XI IIS.1 (experimental class) and…
Kemampuan Representasi Matematis (KRM) adalah kemampuan dalam menyajikan kembali notasi, simbol, tabel, gambar, grafik, diagram, persamaan atau ekspresi matematis lainnya kedalam bentuk lain untuk menyelesaikan masalah. KRM memiliki tiga aspek yaitu representasi visual, simbolik, dan verbal. Penelitian ini dilatarbelakangi oleh KRM peserta didik kelas X.7 SMAN 7 Pekanbaru yang belum memenuhi st…
This study aimed to improve students’ mathematical literacy skills (MLS) through the implementation of the Problem-Based Learning (PBL) model in the topic of probability at Phase E. The subjects were Grade X.1 students of SMAN 7 Pekanbaru in the 2024/2025 academic year. This Classroom Action Research (CAR) was carried out in two cycles, namely Cycle I and Cycle II, each consisting of two meet…
Carbon emissions in Indonesia continue to rise annually, contributing to global warming and ecosystem degradation. One promising solution for mitigating carbon dioxide (CO₂) emissions is the utilization of Spirulina platensis as a carbon sink. This microalga was selected due to its ability to absorb CO₂ during photosynthesis and convert it into dissolved oxygen (DO) and biomass. This study …
This study examines the phenomenon of social conflict among youths in Tanah Merah Village, Indragiri Hilir Regency, which is often triggered by trivial matters such as teasing, differences of opinion, and the habit of consuming alcohol. These factors stimulate unstable emotions and frequently escalate into physical violence, especially due to strong group solidarity and the urge to defend peers…
The land conflict between the people of Koto Garo Village and the oil palm plantation company under the KKPA scheme has created significant social, economic, and psychological impacts, especially for women who lost access to land and vital sources of livelihood. The prolonged nature of this conflict has positioned women not only as victims but also as primary actors who mobilized collective act…
Background : Indonesia have a high burden of drug-resistant tuberculosis (DR-TB), yet new case finding is still below national estimates. Challenges such as limited facilities, drug unavailability, presence of comorbidities and incidence of adverse drug events may hinder treatment success. In 2022, the World Health Organization (WHO) recommended a BPaLM regimen with shorter treatment durat…
In the physics learning process, many students tend to be passive, merely receiving the material taught without delving deeper into it, and lacking in scientific process skills. Students rarely take the initiative to ask questions of their teachers. When asked to provide examples from everyday life, they tend to give answers identical to what their teachers have taught, and students are not yet…
The development of 21st-century science and technology demands that students possess science communication skills, especially in science learning. Based on observations and analysis conducted by the researcher at SMP Negeri 1 Kabun, it was found that students' science communication skills were categorized as lacking, with a score of 45%. This was indicated by various difficulties experienced by…
CV. Graha Pratama Fish actively empowers the community of Desa Wisata Kampung Patin to develop enterprises in the catfish (patin) aquaculture sector through the "One House, One Entrepreneur" initiative. The economic activities jointly carried out by CV. Graha Pratama Fish and the local community ranging from catfish farming to the production of various catfish-based processed products have fost…
The condition of people living in peatland areas makes it difficult to get clean water for daily needs and they have to buy clean water to meet their needs. Economic limitations make people in peatland areas use clean water for food, drinks and washing so that they are unable to use clean water to be mixed with concrete. People living in peatland areas only have another option to use peat water…
Biodiesel is an alternative fuel derived from renewable resources such as vegetable oils and animal fats. Its quality is highly influenced by the composition of its fatty acids, which include saturated fatty acids (SFA), monounsaturated fatty acids (MUFA), and polyunsaturated fatty acids (PUFA). A high PUFA content can reduce the oxidative stability of biodiesel and accelerate degradation d…
ABSTRACT Chili pepper (Capsicum annum L.) is an important horticultural commodity with high economic value in Indonesia. National chili paper productivity in 2023 reached 7.05 t/ha, increased 4% from the previous year, but still needs improvement to meet increasing consumer demand. This study aimed to determine character inheritance and expected genetic advance from crossing Bhaskara and Genie…
ABSTRACT Maize (Zea mays L.) is one of strategic food commodities in Indonesia. Production improvement can be achieved through development of new varieties using mass selection in open-pollinated populations. This study aimed to determine differences between expected and actual selection response after selection with 10% and 15% intensities in 4 half-sib families of maize. The research was con…
ABSTRACT This study aimed to determine the effective concentration of Chinese betel leaf extract Peperomia pellucida L. to mortality of Myzus persicae Sulzer on red chili plant. The experiment was conducted in a greenhouse at the Faculty of Agriculture, University of Riau, from January to June 2025 using a Completely Randomized Design (CRD) with five treatments (0, 25, 50, 75, and 100 g/l of w…
ABSTRACT Red onion (Allium cepa L.) is an important horticultural commodity with high economic value in Indonesia. One of the obstacles in red onion cultivation is pest infestation, namely the onion armyworm (Spodoptera exigua Hubner). The use of the earwig predator (Euborellia annulata Fabricus) can be an alternative for natural control of S. exigua. This study aimed to determine the pred…