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All Journal Jurnal Geliga Sains: Jurnal Pendidikan Fisika
Z. Zulirfan
Pendidikan Fisika, Universitas Riau
Education Physics Social Sciences

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PERANCANGAN DAN PEMBUATAN GENERATOR VAN DE GRAAFF ALTERNATIF SEBAGAI MEDIA PEMBELAJARAN FISIKA PADA KONSEP LISTRIK STATIK Z. Zulirfan; Suhefni Eka Putri; Hendar Sudrajat
Jurnal Geliga Sains: Jurnal Pendidikan Fisika Vol. 1 No. 1 (2007)
Publisher : Program Studi Pendidikan Fisika Jurusan Pendidikan Matematika FKIP Universitas Riau

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The purpose of this research was to make learning media in a kind of Van de Graaff Generator to explain the static electric concept. The stages of this research were designing, making, and testing the effectiveness of Van de Graaff Generator. The making of Van de Graaff generator used simple devices and materials that have already available in local market, such as steel ball, electric motor, elastic belt, metal brush, and DC power supply. The testing was done qualitatively and semi qualitatively to the contents of the ball by measuring the voltage of the ground-ball. The maximum voltage ball is 942V which was produced from entry voltage on the strengthener series 6V, with the motor voltage 18V. The Van de Graaff generator can be made as learning media because can prove the existence of gathered charges at the ball.
PENGGUNAAN LKS NON EKSPERIMEN UNTUK MENINGKATKAN HASIL BELAJAR FISIKA SISWA KELAS XI IPA SMA 12 PEKANBARU Y Yennita; Rury Septyowaty; Z. Zulirfan
Jurnal Geliga Sains: Jurnal Pendidikan Fisika Vol. 2 No. 1 (2008)
Publisher : Program Studi Pendidikan Fisika Jurusan Pendidikan Matematika FKIP Universitas Riau

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The purpose of this research is to increase the result of student’s learning through using LKS non experimen with dynamic of rotation main material. Subject of this research is all students class XI IPA SMA N 12 Pekanbaru period 2008/2009. This research is experimentaly with research plan The static group Randomized control-group only design, class XI IPA 1 be class control teach by convensional and XI IPA 2 be class experiment, which teach by using LKS non-experimen for main lesson dynamic of rotation. The result which observe is cognitive domain through essay test. The result of this research show that students achievement, learning completeness, and completeness of the purpose class learning higher than class control. It support by signification test between two class, that is the result of physic learning students which teach by using LKS non-experimen is higher than the result of students learning by using convensional. It show from score thitung > ttabel the result thitung = 6,580 than ttabel (76; 0.05) = 1,665.
Co-Authors Hendar Sudrajat Rury Septyowaty Suhefni Eka Putri Y Yennita