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All Journal Jurnal Geliga Sains: Jurnal Pendidikan Fisika
Hendar Sudrajad
University of Riau
Education Physics Social Sciences

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DEVELOPMENT OF EARTHQUAKE DEMONSTRATION TOOL AS A PHYSICS SCIENCE LEARNING MEDIA Wuly Gunawan; M Nor; Hendar Sudrajad
Jurnal Geliga Sains: Jurnal Pendidikan Fisika Vol 8, No 1 (2020)
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (492.946 KB) | DOI: 10.31258/jgs.8.1.1-8

Abstract

 The creation of interactive learning activities can be influenced by the availability of media and learning resources as a useful tool in teaching and learning activities. The effectiveness of students' absorption of difficult and complicated learning materials can be achieved with the help of the demonstration tool as a media. The purpose of this research is to produce an earthquake demonstration tool, as a valid learning media for use in the learning process of physics in junior high schools. This development research uses the R & D method which was adapted from Nieveen & Folmer with three-phase, namely: preliminary research, development or prototyping phase, and the formative evaluation within the development stage. The evaluation of the validation of the media uses the instrument of validation of the earthquake demonstration tool with 5 indicators and the assessment of validation of the guidebook with 4 indicators. The results of the design of the media obtained the validation score for the earthquake demonstration tool with a score of 4.5 where a very valid category and the handbook obtained a validation score of 4.4 with a very valid category. Based on the results of this research, an earthquake demonstration tool had been successfully made and a guidebook for its use as a physics science learning media is valid and suitable for use in junior high schools.
PERANCANGAN DAN PEMBUATAN GENERATOR VAN DE GRAAFF ALTERNATIF SEBAGAI MEDIA PEMBELAJARAN FISIKA PADA KONSEP LISTRIK STATIK Zulirfan Zulirfan; Suhefni Eka Putri; Hendar Sudrajad
Jurnal Geliga Sains: Jurnal Pendidikan Fisika Vol 1, No 1 (2007)
Publisher : Program Studi Pendidikan Fisika FKIP Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (112.756 KB)

Abstract

 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.
Co-Authors M Nor Suhefni Eka Putri Wuly Gunawan Zulirfan Zulirfan