Abstract
The results of study Trends in International Mathematics and Science Study (TIMSS) 2011 at the secondary school level showed that the achievement of learning outcomes of Indonesian students in the fields of mathematics and science had not shown satisfactory results. One way to implement effective and enjoyable learning can be supported by teaching materials used in learning. Teaching materials are one of the supporting factors for student learning success. This study aims to produce products and apply teaching materials based on Science, Technology, Engineering, and Mathematics (STEM) to determine the profile of the cognitive process of understanding the concepts of vocational students. The method used in this study is research and development. Characteristics of STEM-based teaching materials that contain material about vibrations and waves associated with STEM aspects and equipped with problems and practical procedures. The results of the analysis of teaching materials can be categorized as feasible, with a percentage of 78.46%. The results of the analysis of student responses after the application of the teaching materials were obtained with a percentage of 83.74% so that it can be concluded that the teaching material included in the category is very practical to use. The results of the cognitive profile analysis of students' understanding of concepts obtained an interpretation percentage of 76.06%; exemplifying 84.44%; inference 67.78%; comparing 62.59%; explain 59.89%.
Highlights
Effective and fun learning will produce quality education
Produce products and apply teaching materials based on Science, Technology, Engineering, and Mathematics (STEM) to determine the cognitive process profile of the concept of understanding vocational students
The research procedure was divided into four stages, namely preliminary studies, planning, development, and testing of teaching materials
Summary
A pleasant atmosphere as an absolute requirement for students to love learning This is stated in Government Regulation No 19 of 2005, article 19 paragraph 1 states that: the educational process in the education unit is carried out interactively, inspirational, fun, challenging, motivating students to participate actively and provide sufficient space for initiative, creativity, and independence in accordance with their talents, interests, and physical and psychological development of students. Many graduates are rich in theory, but understanding which develops their potential or the potential that exists in the environment is relatively low. This happens because the concept of understanding is still low though the concepts of physics are mostly obtained from observations and experiments experienced by students
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