Sakhiyyah Afifah, Ahmad Mudzakir, Asep Bayu Dani Nandiyanto
This research aims to demonstrate the change in properties of bamboo due to the coating process to students and to decide the science teaching results in junior high school students respecting the physicochemical properties of organic material by utilizing fire-resistant bamboo teaching materials. The fire-retardant bamboo experiment was carried out by spraying anti-flame paint on pieces of bamboo fiber, burning the bamboo, and observing the changes. The morphology of bamboo is observed. Besides that, the learning is managed using empirical demonstration methods for 20 students in three phases: a pre-test; granted a didactic video, and a post-test. The results showed that an anti-flame paint coating strengthened the bamboo layer. After spraying the fire-retardant liquid, a protective layer will form on the bamboo. This layer protects the bamboo components, such as carbon, hydrogen, and oxygen; therefore, the heat emitted by the fire does not react with the bamboo components. The heat will react with the elements in the anti-flame layer and form carbon dioxide, which keeps the fire from growing and does not burn the bamboo layer. The teaching results using the fire-retardant bamboo experiment through the empirical demonstration method effectively improve student teaching results because the median post-test grade after the video demonstration is greater than the pre-test. This study helps know changes in the properties that occur in bamboo before and after the coating process and is an alternative teaching material that teachers in teaching changes in the properties of a material can use. © School of Engineering, Taylor's University.
Universitas Pendidikan Indonesia, Jl Setiabudhi No. 229, Bandung, Indonesia
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