Y. Azmanita, A. Fauzi
As an archipelago country, Indonesia has many beach lines which are the fourth-longest in the world, and in fact, the coastal areas had damaged by some natural phenomena, such as abrasion. One of the available strategies which would give an understanding of abrasion is integrating this disaster knowledge in a certain lesson at school. Physics is one of the subjects which is suitable to give understanding about abrasion. This is because physics includes various disaster phenomena. The effort to do this is achieved by an e-book. Developing a physics e-book with abrasion theme, it is necessary to analyse the student's knowledge about abrasion. This study used the descriptive method, and the subjects are those who live near a coastal area, Senior High School 1 Nan Sabaris students. Samples were selected by random sampling techniques. The student's prior knowledge was tested by a questionnaire that consisted of eleven questions. From the analysis, it can be said that student's prior knowledge about abrasion can be categorized as a low level, in the C rate (Enough). This result shows that the physics e-book using abrasion theme need to be developed. © 2020 IOP Publishing Ltd. All rights reserved.
Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Negeri Padang, Jl. Prof. Hamka, Padang, 25132, Indonesia
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