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All Journal MAGISTRA: Media Pengembangan Ilmu Pendidikan Dasar dan Keislaman Journal of Energy, Material, and Instrumentation Technology MAGISTRA: Media Pengembangan Ilmu Pendidikan Dasar dan Keislaman
Suryani, Mei
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Control & Systems Engineering Education Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics

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Design and Electrical Characterization of Plant Microbial Fuel Cell (PMFC) Using Eichhornia crassipes by Varying the Electrode Distance and Effect Light of the Sun Suryani, Mei; Pauzi, Gurum Ahmad; Junaidi, Junaidi; Suciyati, Sri Wahyu
Journal of Energy, Material, and Instrumentation Technology Vol 5 No 1 (2024): Journal of Energy, Material, and Instrumentation Technology
Publisher : Departement of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jemit.v5i1.159

Abstract

The Plant Microbial Fuel Cell (PMFC) design using water hyacinth has been successfully created. The PMFC was then treated by varying the distance of the electrode and giving the effect of sunlight. The electrodes used are Cu-Zn pairs where the electrode distance varies, with values of 3, 6, 9, and 12 cm. Furthermore, the data was taken with PMFC conditions placed outside and indoors for 14 days (331 hours). The results showed that PMFC with an electrode distance of 3 cm produced a more excellent value of electrical power than the other electrode distances, which was 0.6786 mW on the second day at the 37th hour or in the afternoon at 13.00 WIB. In general, the electrical characteristics produced by PMFCs, which are affected by sunlight, produce greater electrical power than PMFCs indoors.
POWERPOINT INTERAKTIF UNTUK MENINGKATKAN HASIL BELAJAR BAHASA INDONESIA MATERI TEKS FIKSI KELAS IV Suryani, Mei; Widagdo, Arif
MAGISTRA: Media Pengembangan Ilmu Pendidikan Dasar dan Keislaman Vol. 15 No. 2 (2024)
Publisher : Universitas Wahid Hasyim Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/mgs.v15i2.11554

Abstract

The use of learning media in Bahasa Indonesia subject at SDN Langensari 04, Kabupaten Semarang, is less variation. This is due to the limited supporting media available at the school. Therefore, the researcher developed interactive PowerPoint media to improve the learning outcomes of fourth-grade students at the school. The type of research is Research and Development (R&D), which uses a qualitative approach. Data collection techniques were collected through observation, interviews, documentation, questionnaires, and tests. The research results show that the average score of 69.66 from the pretest and the posttest indicates an increase in the average student score by 90.35, with a percentage increase of 27.59% in the pretest results and 100% in the posttest. 0 students did not complete and 29 students completed, so it can be concluded that the interactive PowerPoint media is very suitable and effective for improving Bahasa Indonesia learning outcomes for fourth-grade students because the results achieved have been met.
POWERPOINT INTERAKTIF UNTUK MENINGKATKAN HASIL BELAJAR BAHASA INDONESIA MATERI TEKS FIKSI KELAS IV Suryani, Mei; Widagdo, Arif
MAGISTRA: Media Pengembangan Ilmu Pendidikan Dasar dan Keislaman Vol. 15 No. 2 (2024)
Publisher : Universitas Wahid Hasyim Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31942/mgs.v15i2.11554

Abstract

The use of learning media in Bahasa Indonesia subject at SDN Langensari 04, Kabupaten Semarang, is less variation. This is due to the limited supporting media available at the school. Therefore, the researcher developed interactive PowerPoint media to improve the learning outcomes of fourth-grade students at the school. The type of research is Research and Development (R&D), which uses a qualitative approach. Data collection techniques were collected through observation, interviews, documentation, questionnaires, and tests. The research results show that the average score of 69.66 from the pretest and the posttest indicates an increase in the average student score by 90.35, with a percentage increase of 27.59% in the pretest results and 100% in the posttest. 0 students did not complete and 29 students completed, so it can be concluded that the interactive PowerPoint media is very suitable and effective for improving Bahasa Indonesia learning outcomes for fourth-grade students because the results achieved have been met.
Co-Authors Arif Widagdo Junaidi Junaidi Pauzi, Gurum Ahmad Sri Wahyu Suciyati