Tujuan penelitian ini adalah untuk mengetahui kualitas media pembelajaran berbasis Android materi tata nama senyawa Kimia mengetahui perbedaan peningkatan kemampuan kognitif siswa SMA yang menggunakan mediapembelajaran pembelajaran berbasis Android materi tata nama senyawa Kimia dengan pembelajaran menggunakan LKS. Metode yang diguankan dalam penelitian ini adalah R&D yang didaptasi model pengembangan Borg & Gall dan 4D. Hasil dari pengembangan media pembelajaran berbasis android pada materi tata nama senyawa menunjukkan bahwa media yang dikembangkan layak untuk diaplikasikan dan memiliki kualitas sangat baik, baik dari aspek materi ataupun media. Kemudian, media pembelajaran yang dikembangkan juga mampu meningkatkan Kemampuan Kognitif Siswa setelah diaplikasikan ke dalam pembelajaran. Hal ini terbukti dari hasil uji hipotesis yang menunjukkan adanya perbedaan peningkatan Kemampuan Kognitif Siswa yang menggunakan media yang dikembangkan dengan yang menggunakan LKS.
Indonesia is an archipelagic country that has a larger ocean area than land, many people live in coastal areas and still experience difficulties in obtaining springs that can be used for their daily needs. This study was conducted to see the extent of seawater intrusion into a coastal aquifer in Labuhan Kertasari Village. The method of measuring Total Dissolved Solids, Conductivity, and Salinity is used in studying seawater intrusion into a coastal aquifer. Coastal aquifer samples were taken from open wells and boreholes belonging to residents which are actively used on a daily basis. Analysis of the relationship between TDS, conductivity and, salinity used simple linearity analysis, and distribution mapping using surfer 8. The highest TDS concentration, conductivity, and salinity were 5770 ppm; 8700 MS/cm; and 4600 ppm on the S8. While the TDS concentration, conductivity, and salinity were the lowest consecutively were 836 ppm; 1258 MS/cm; 700 ppm on S26. In general, the coastal aquifer in residents’ wells has experienced various intrusions and has decreased at a distance from the shoreline.
Tujuan penelitian ini yaitu untuk menganalisis kualitas air tanah di kawasan pesisir Desa Labuhan Kertasari, Kabupaten Sumbawa Barat. Metode penelitian yang digunakan yaitu observasi langsung ke lapangan, dan titik sampel dilakukan dengan metode purposive sampling, yaitu sebanyak 40 titik. Analisis kualitas air dilakukan dengan mengukur nilai parameter fisika dan kimia yang meliputi pH, TDS, dan DO. Pengukuruan parameter-parameter penelitian dilakukan secara insitu. Hasil penelitian menunjukkan kualitas air di Desa Labuhan Kertasari menunjukkan terdapat 7,5% yang termasuk kelas I, sesuai dengan baku mutu air yang ditetapkan, yaitu pada SW25, SW26 dan SW28 dengan nilai TDS berturut-turut: 893 mg/L; 836 mg/L; 904 mg/L, nilai pH berturut-turut: 7,36; 7,25; 7,76 dan nilai DO berturut-turut: 7,2; 6,9; 7,4. Air pada titik sampel S26 memiliki kualitas yang paling baik dari 40 titik sampel.
The program aims to increase the insight and skills in the field of information and communication technology for tutors of the SPNF SKB Boto Equivalence Program, West Sumbawa Regency. This is expected to improve the quality of teaching and learning through the convenience of students in understanding the teaching material provided. The method of this training activity is carried out by the lecture method and independent practice in three stages, namely: delivery of basic material, training and practice demonstrations and evaluation. The result of this training video learning is increasing the understanding and insight of the participants in making learning videos and to be able to practice making simple learning videos so that they can support online learning in the SPNF SKB Boto environment, West Sumbawa Regency.
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