Tapioca flour as a heat insulator for learning media for students with hearing impairments

Abstract

The objective of this study was to determine the use of tapioca flour as a heat insulator for learning media for students with hearing impairments. Experiments were done method by testing tapioca flour placed on the wall that heat radiated by bulb lamp with various intensities (i.e. 8, 10, and 12 W). The results showed that tapioca flour is a good heat insulator. This is confirmed by the test results using thermocouple tools showing a decrease in temperature of the insulator testing toolbox. The tapioca flour caused the heat from the lamp inside the box to be restrained from spreading out completely. The concept of heat radiation and the change of heat adsorbed by tapioca flour was explained, which can be further developed for learning media for students with hearing impairment. The results of this study are expected to facilitate teachers in providing understanding to students in understanding the occurrence of heat insulators, especially for students with hearing impairments.

Teaching on Pascal's Law: The use of experimental videos of hydraulic concepts from everyday products in the learning process for students with special needs and vocational school students

“…25% of students are students with intellectual disabilities. Students with intellectual disabilities are students with special needs who have problems in the aspect of intelligence (IQ) below average and have problems with effective behavior (Hidayat et al, 2020). They have difficulty understanding something abstract and complex (Nandiyanto et al, 2018).…”

“…Students with special needs have lower pretest and postest scores than students in general. This is because students with special needs have various characteristics that cause several problems in the learning process (Maryanti et al, 2020). The difference in the student's pretest score was 27.3, while the difference in the post-test score was 11.3.…”