The Use of Internet eXe-Learning Media Based on Problems on The Concept EnvironmentalChange to Increase Learning Outcomes Students X SMA Negeri 8 Cirebon. This study was conducted to improve student learning outcomes by maximizing the utilization of technology. The purpose of this research is to study 1) student learning activities, 2) improvement of student learning outcomes, and 3) students' responses to the use of internet eXe-Learning based problem. The population in this study were all students of class X SMA Negeri 8 Kota Cirebon. The research design used was pretest-posttest control group design with data collection technique using test, observation and questionnaire. Data were analyzed using Anates ver. 4.0 and SPSS ver. 21.0 software. The results showed 1) student learning activities using internet eXe-Learning media has increased in every meeting and the indicator; 2) improvement of students' experimental class learning outcomes and increased statistical test results in sig. 0.049 < 0.05, meaning Ho is rejected and Ha accepted; 3) students' responses to learning using eXe-Learning based internet media are included into strong and powerful criteria.Penelitian ini dilakukan untuk meningkatkan hasil belajar siswa dengan memaksimalkan pemanfaatan teknologi. Tujuan dalam penelitian ini untuk mengkaji 1) aktivitas belajar siswa, 2) peningkatan hasil belajar siswa, dan 3) respon siswa terhadap penggunaan media internet eXe-Learning berbasis masalah. Populasi dalam penelitian ini adalah seluruh siswa kelas X SMA Negeri 8 Kota Cirebon. Desain penelitian yang digunakan adalah pretestposttest control group design dengan teknik pengumpulan data menggunakan tes, observasi dan angket. Data dianalisis dengan menggunakan software Anates versi 4.0 dan SPSS versi 21.0. Hasil Penelitian menunjukkan 1) aktivitas belajar siswa dengan menggunakan media internet eXe-Learning mengalami peningkatan pada setiap pertemuan dan indikatornya; 2) peningkatan hasil belajar siswa kelas eksperimen dan kontrol meningkat, rata-rata N-Gain kelas eksperimen sebesar 0,33 dan rata-rata N-Gain kelas kontrol sebesar 0,25. Hasil uji statistik menghasilkan sig. 0,049 < 0,05, artinya Ho ditolak dan Ha diterima; 3) respon siswa terhadap pembelajaran menggunakan media internet eXe-Learning berbasis masalah termasuk ke dalam kriteria kuat dan sangat kuat.
English is not a core curriculum for elementary school based on the new Curriculum (2013 Curriculum). However, SDN Kowel 3 Pamekasan, is an elementary school that has implemented the 2013 curriculum since 2013 and has taught English to their students. This research tries to analyze about how does the English teacher formulate the strategy in English teaching-learning and how is the implementation of it while English is not one of Core Curriculum in 2013 Curriculum at the fourth grade of SDN Kowel 3 Pamekasan. This research is qualitative descriptive research. Interview, observation, and documentation were utilized to collect the data. The result shows that the English teacher used the previous curriculum, School-Based Curriculum (SBC), as the basis of the English teaching-learning process when the subject is not in the 2013 curriculum. In this case, the school changes the position of English from an extra curriculum into a local curriculum. Moreover, the English teacher develops the lesson plan from the English material book following School-Based Curriculum format which is different from the lesson plan format of 2013 Curriculum. While the implementation is the English teacher commonly used Audio Lingual Method (ALM) through repetition drill at the beginning of the class.
This study aims to find material steel for animal feed chopper machine which is not easily corroded with method of hot dip galvanizing (HDG). Steel as machinery components or construction often gets broken before the predicted time because of corrosion. The HDG method was begun by pre-treatment process which were polishing, degreasing, rinsing I, pickling, rinsing II, fluxing, and drying. The main process of galvanizing was done by dipping in 98% of zinc solution with temperature variation of 430, 450, 470, and 490°C. The coating thickness measurement was run with Coating thickness NOVOTEST TP-1M. The corrosion was tested with electrochemical method of potentiodynamic polarization with AUTOLAB PGSTAT 128. The highest value of coating thickness was at galvanized temperature of 490°C which was 88.9 ± 3.24%. The value of standard deviation was indicated by how much the coating homogeneity formed. This was in line with the amount of corrosion rate at galvanized temperature of 490°C. The highest corrosion rate values in H2SO4 and NaCl environment were 1.18 and 0.21 mm/year. The highest hardness value of Zn layer is galvanizing temperature of 490°C which rises 41.71% of the base metal. The coating thickness, corrosion and surface hardness test have thee good agreement.
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