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All Journal Natural Science Education Research (NSER) Jurnal Fisika
Firmansyah, Lucky Fathoni
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Biochemistry, Genetics & Molecular Biology Education Physics

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Pengembangan Multimedia Interaktif Berbasis HTML 5 pada Materi Sistem Tata Surya Firmansyah, Lucky Fathoni; Ahied, Mochammad; Tamam, Badrud; Wulandari, Ana Yuniasti Retno; Yasir, Mochammad
Natural Science Education Research Vol 6, No 2 (2023): Natural Science Education Research
Publisher : Program Studi Pendidikan IPA, Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/nser.v6i2.16531

Abstract

Penelitian ini bertujuan untuk mengembangkan multimedia interaktif berbasis HTML 5. Pengembangan ini memfokuskan pada materi sistem tata surya pada kelas VII SMP/MTs. Model pengembangan yang digunakan yaitu ADDIE (Analyze, Design, Development, Implement, Revision). Subjek penelitian ini sebanyak 25 siswa kelas VII E MTsN 5 Bojonegoro. Instrumen yang digunakan yaitu lembar validasi ahli media, ahli materi, guru IPA, dan angket respons siswa. Berdasarkan hasil penelitian dapat disimpulkan bahwa : (1) analisis kelayakan dari ahli media dan ahli materi menghasilkan nilai rata-rata validitas sebesar 95,14% dengan kategori sangat layak dan reliabilitas sebear 96,83% dengan kategori sangat relliabel, sehinga multimedia interaktif berbasis HTML 5 pada materi sistem tata surya layak digunakan pada proses pembelajaran materi sistem tata surya, (2) hasil respons siswa menghasilkan nilai rata-rata sebesar 91,9% dengan kategori sangat baik, berdasarkan hal tersebut maka multimedia interaktif berbasis HTML 5 pada materi sistem tata surya efektif digunakan sebagai media pembelajaran pada materi sistem tata surya.Kata Kunci: HTML 5, model ADDIE, multimedia interaktif
Development of Sound-Absorbing Composites Made from Water Hyacinth Waste and Recycled Cardboard Anastasya, Agitha; Widyaningsih, Ayu; Firmansyah, Lucky Fathoni
Jurnal Fisika Vol. 15 No. 2 (2025): Jurnal Fisika 15 (2) 2025
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jf.v15i2.37524

Abstract

Noise is a factor that can disrupt the comfort and effectiveness of daily activities, including learning. To address this issue, this study develops an environmentally friendly sound-absorbing material made from water hyacinth and cardboard, both of which possess natural porosity suitable for acoustic applications. This experimental research aims to determine the sound absorption coefficient of composite materials produced from various combinations of these wastes. Five composite variations were prepared: Sample A (4 g water hyacinth, 4 g cardboard, 8 g matrix), Sample B (5 g water hyacinth, 3 g cardboard, 8 g matrix), Sample C (3 g water hyacinth, 5 g cardboard, 8 g matrix), Sample D (4 g water hyacinth, 4 g cardboard, 9 g matrix), and Sample E (4 g water hyacinth, 4 g cardboard, 7 g matrix). The absorption coefficient was measured using an impedance tube. The results showed that each composition produced different absorption coefficients. Sample D, with a composite-to-matrix ratio of 7:9, had the highest sound absorption coefficient of 0.327 at a frequency of 100 Hz. Meanwhile, Sample E, with a composite-to-matrix ratio of 9:7, had the lowest coefficient of 0.014 at 350 Hz. The findings indicate that water hyacinth and cardboard can be utilized as sound-absorbing materials, with absorption coefficients ranging from 0.01 to 0.32, thereby meeting the ISO 11654 standard.
Co-Authors Anastasya, agitha Badrud Tamam Mochammad Ahied MOCHAMMAD YASIR Widyaningsih, Ayu Wulandari, Ana Yuniasti Retno