UKBM is a learning tool using the Semester Credit System (SKS) and is a small learning unit that is arranged sequentially by involving study time units. This research is focused on developing UKBM with the Engineering Design Process (EDP) approach in learning physics in high school. The purpose of this study was to produce a valid UKBM and determine the effectiveness of UKBM through increasing students' STEM literacy after using the EDP-based UKBM. This study uses a research and development (R&D) model with the ADDIE model consisting of five stages, namely: Analysis, Design, Development, Implementation and Evaluation. The results of the validity of product development are declared valid by the three validators with an average percentage of 88%, so that product development can be implemented in schools. The results of the effectiveness obtained from analyzing the results of the pre-test and post-test N-gain with the acquisition of N-Gain of 76.96% so that it is in the high category. The development of UKBM with the Engineering Design Process (EDP) Approach to improve STEM literacy of high school students was declared valid and effective.

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Online learning became popular during the COVID-19 pandemic. Where the government sets rules that prohibit learning activities carried out formally or informally, meetings and other activities that require people to meet face to face. As a new learning activity, online learning experiences many obstacles, both in terms of the process and the people involved in it. An effort is needed, so that people will be motivated to do learning independently. Motivation is fundamental in determining the basic reasons for someone to do something. Efforts to find out people's motivation in conducting online learning are carried out by distributing surveys with different backgrounds. This survey was distributed to people of productive age in West Java. The findings obtained, that online learning is carried out because it is a fundamental need, even though it is only to abort obligations. However, on the other hand, their intrinsic motivation is positive, online learning makes people willing to be lifelong learners and hopes that their efforts in online learning can be recognized by certain parties.