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All Journal JURNAL ILMIAH PENDIDIKAN FISIKA AL BIRUNI Jurnal Pendidikan Fisika dan Keilmuan (JPFK)
Purwita, Tanty Dwi
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Astronomy Earth & Planetary Sciences Education Electrical & Electronics Engineering Physics

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Komposisi Optimal Komposit Serat Rami dan Resin Epoxy Sebagai Alternatif Bahan Perisai Anti-Radiasi Sinar-X Himawan, Nur Arviyanto; Purwita, Tanty Dwi; Suparno, Suparno
Jurnal Pendidikan Fisika dan Keilmuan (JPFK) Vol 6, No 2 (2020)
Publisher : UNIVERISTAS PGRI MADIUN

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25273/jpfk.v6i2.7898

Abstract

Telah dilakukan penelitian tentang pembuatan komposit serat rami dan resin epoxy sebagai bahan alternatif perisai anti-radiasi sinar-X. Komposit yang dibuat telah dihitung massa jenisnya, uji tekan, dan uji radiasi sinar X menggunakan alat X-Ray Apparatus 554 800 Leybold. Hasil penelitian menunjukkan bahwa dari beberapa variasi massa rami, komposit dengan rami 12gr merupakan komposisi yang paling optimal dalam menahan radiasi sinar-X. Komposit tersebut memiliki massa jenis sebesar 1 gr/cm3 dan kuat tekan dalam sebesar 440 kg/cm2.
The effectiveness of physics subject-specific pedagogy based on indigenous knowledge to improve students’ patriotism Purwita, Tanty Dwi; Rosana, Dadan
Jurnal Ilmiah Pendidikan Fisika Al-Biruni Vol 9 No 2 (2020): Jurnal Ilmiah Pendidikan Fisika Al-Biruni
Publisher : Universitas Islam Negeri Raden Intan Lampung, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/jipfalbiruni.v9i2.7047

Abstract

Indigenous knowledge can develop ways of thinking, creativity, and dynamics of indigenous peoples in an area. This study aimed to know the effectiveness of Physics Subject-specific Pedagogy (SSP) based on indigenous knowledge to improve students' patriotic character. This study focused on SSP product implementation through an experimental method, i.e., one group pretest-posttest design. The Physics SSP adopted the 4D research by Thiagarajan. This product consisted of a syllabus, lesson plans, worksheets, questionnaires, and observation sheets. This research was conducted at Senior High School 1 Turen, Malang, with two different treatments on sixty-six eleventh-grade students in the academic year of 2019/2020. The analyses performed were descriptive and analytical test analysis. Based on the homogeneity and normality test results, all pretest and posttest scores in both classes had homogeneous data. However, the data were not normally distributed. Based on the regression coefficient and the effect size value, the Physics SSP, based on indigenous knowledge, obtained an effect size value of 14.12%. However, the obtained value indicated that the effect of Physics SSP was in a low category.
Co-Authors Dadan Rosana Himawan, Nur Arviyanto Suparno Suparno