The increasing production of palm oil in Indonesia each year has led to a rise in palm oil waste generation, including Palm Oil Mill Effluent (POME), which is produced at approximately 600–700 liters per ton of Fresh Fruit Bunches (FFB). This effluent contributes to pollution in aquatic ecosystems due to its dark coloration and high Chemical Oxygen Demand (COD) levels. Therefore, rapid and re…
The α-Fe2O3/TiO2 nanocomposite based on natural Logas sand was prepared using a 4-stage ball milling method for 200 hours to produce a photocatalyst for degrading methylene blue via the photo-Fenton AOP technique. This nanocomposite was prepared to address the limitations of its individual components, the high charge recombination in hematite (α-Fe2O3) and the wide band gap in titanium dioxid…
The clean-water crisis caused by the textile industry due to the disposal of organic compounds waste, can be effectively addressed using a ZnO semiconductor-based photocatalyst method. This research aims to enhance the activity of ZnO photocatalysts through Ag and Cu doping synthesized with mangosteen peel extract. The composition of Ag and Cu doping in ZnO follows the molar fractions of AgxCuy…
Bitter taste is one of the key parameters in evaluating the quality of food and beverage products, as it can significantly impact consumer perception and ultimately determine product acceptance. This study developed a potentiometric-based bitter taste sensor with a modified All-Solid-State Electrode (ASSE) configuration, utilizing a PEDOT:SDBS conductive layer as an ion-electron transducer and …
Bitterness is one of the key parameters in evaluating the quality of beverage products. Controlled bitterness in the beverage industry, such as in beer and coffee, plays a critical role in determining product complexity and sensory quality. However, bitterness evaluation to date continues to rely on human-based sensory methods that are inherently subjective, exhibit high response variability, a…
The need for electrochemical measurement in laboratories is significant, yet access to commercial potentiostats is often limited due to their high cost. This research aims to develop a portable potentiostat that enables simple electrochemical measurements without relying on commercial instruments. The designed device facilitates modern electrochemical testing by analyzing solution characteristi…
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Skripsi ini membahas tentang penerapan strategi Everyone is a Teacher Here (ETH) berbantuan media kartu Truth or Dare dalam upaya meningkatkan hasil belajar kognitif peserta didik pada materi Bumi dan Tata Surya. Latar belakang penelitian berangkat dari permasalahan rendahnya hasil belajar IPA di tingkat SMP/MTs yang disebabkan oleh pembelajaran IPA masih dianggap sulit dan diajarkan secara kon…
Penelitian ini bertujuan untuk mengetahui tingkat kebugaran jasmani siswa SDN 165 Pekanbaru dalam pembelajaran Pendidikan Jasmani, Olahraga, dan Kesehatan (PJOK). Menggunakan pendekatan kuantitatif deskriptif dengan metode survei, penelitian ini melibatkan 34 siswa kelas 5 (20 putra dan 14 putri) sebagai sampel total sampling. Instrumen yang digunakan adalah Tes Kebugaran Siswa Indonesia (T…
Kemajuan yang pesat dalam ilmu pengetahuan dan teknologi saat ini menempatkan pendidikan sebagai faktor utama dalam perkembangan ilmu pengetahuan dan teknologi di masa mendatang. Pendidikan adalah usaha yang dilakukan secara sadar dan terencana untuk merubah perilaku manusia, baik secara individu maupun kelompok, guna meningkatkan kemampuan manusia melalui proses pengajaran dan pelatihan. …
Ilmu Pengetahuan Alam (IPA) merupakan mata pelajaran yang penting karena menghubungkan konsep ilmiah dengan kehidupan nyata. Namun, dalam praktiknya, pembelajaran IPA di SMPN 45 Pekanbaru masih didominasi metode ceramah dan minim media pembelajaran menarik, terutama pada materi sistem tata surya yang bersifat abstrak dan sulit diamati langsung. Kondisi ini menyebabkan siswa kurang aktif, m…
Physics is a branch of science that is considered difficult and avoided by students, primarily due to conventional learning, where students simply receive material from the teacher and memorize formulas, making it seem complicated and boring. Newton's laws of motion are one of the physics topics that students find difficult. Regarding the nature of the learning material, Newton's laws of motion…
Perkembangan teknologi informasi dan komunikasi mendorong inovasi dalam proses pembelajaran, salah satunya melalui penerapan Lembar Kerja Peserta Didik (LKPD) Hybrid yang memadukan bentuk cetak dan digital untuk menciptakan pengalaman belajar yang fleksibel, interaktif, dan relevan dengan kebutuhan siswa. Penggunaan LKPD ini memungkinkan siswa mengakses sumber belajar digital secara mandiri sek…
The progress of a nation can be measured by the advancement of its educational quality, as education is one of the key instruments in human resource development. Physics learning requires students to be active in every activity. However, physics is often perceived as a difficult subject, and students tend to be less engaged during the learning process. As a result, many students assume that phy…
Pembelajaran fisika di sekolah tidak hanya berfokus pada penyampaian materi saja, akan tetapi juga pada keaktifan siswa dalam memahami materi secara mendalam. Pada materi kalor dan perpindahannya, banyak siswa hanya menghafal konsep tanpa memahami penerapan dalam kehidupan sehari-hari. Kondisi ini menuntut adanya inovasi pembelajaran yang lebih kontekstual, salah satunya melalui Lembar Kerja Pe…
Pembelajaran fisika yang efektif tidak hanya berfokus pada penyampaian materi saja, tetapi juga pada keterlibatan aktif siswa dalam mengolah informasi hingga memahami konsep secara mendalam. Materi optik memerlukan pendekatan yang mampu menghubungkan teori dengan penerapan dalam kehidupan sehari-hari, salah satunya dengan menerapkan model pembelajaran seperti REACT (Relating, Experiencing, Appl…
Physics is one of the subjects taught in senior high school (SMA) that studies matter, energy, and the interaction between the two. However, in practice, physics teaching at SMAN 7 Pekanbaru is still dominated by lectures and lacks innovation in the selection of learning models, especially for momentum and impulse, which are difficult to understand conceptually. This condition causes students t…
IPA mencakup berbagai disiplin ilmu, seperti fisika, kimia, biologi, astronomi, geologi, dan masih banyak lagi. IPA memiliki tiga aspek penting, yaitu proses ilmiah, produk ilmiah, dan sikap ilmiah. Proses ilmiah adalah serangkaian kegiatan yang dilakukan dalam rangka menemukan hasil-hasil ilmiah. Kegiatan ini mencakup pengamatan, klasifikasi, prediksi, perancangan, dan pelaksanaan eksperimen. …
The background of this research is the low level of students’ higher-order thinking skills and learning motivation. The lack of higher-order thinking skills is caused by teaching methods that do not support such skills, weak mastery of basic concepts, and a learning orientation that is more focused on results. Meanwhile, the low motivation to learn is influenced by the lack of positive le…
In the 21st century, science process skills must be possessed by every student. This is because science process skills are one of the skills that must be possessed by students to be able to face global challenges. Based on the results of observations that have been carried out by researchers at MA Al Kautsar Pekanbaru through the distribution of a needs analysis questionnaire to 30 students of …