Science process skills (SPS) are essential to assist the learning of senior high school students according to the 2013 curriculum, which prioritizes a scientific approach. The learning method that supports SPS is experiment methods. Nevertheless, learning with experimental methods is still rarely applied in schools, especially in the sound intensity level concept. The reason is the limited number and variant of experiment tool kits to support learning in schools. This study aims to develop a sound variable intensity level sound tool kit based on development procedures proposed by Jan van de Akker (2006). Sound variable intensity level kit was developed based on tool kit, which was developed before by Fikri Habibi. Sound variable intensity level experiment kit was evaluated by several learning media and learning material experts before being tested on high school students in several stages, including the one-on-one evaluation stages, small group evaluations, and field tests. The researcher revised the sound variable intensity level kit based on suggestions from the experts and the students. After being revised, the sound variable intensity level kit was tested on summative evaluation. Based on the results of summative evaluations, the sound variable intensity level kit becomes a successful, practical, and effective learning support tool kit for improving the science process skills of the student in the concept of sound intensity level.
Misconceptions get special attention in educational research because they are inhibiting students in learning. Misconceptions often occur in learning physics, especially the concept of heat, and nearly every sub-concept of physics on students experience various misconceptions. One of them is defining heat. Many students believe that temperature is considered as a unit of measure for the amount of heat. This is a wrong conception. Thus, it needs to be identified using appropriate diagnostic test instruments to reduce students’ misconceptions. Four-tier diagnostic tests can detect students’ misconceptions because they can dig deeper into understanding students’ conceptions. Unfortunately, the diagnostic tests of student misconception are still rarely applied at most schools. The reason is time constraints in the implementation and correction of the diagnostic tests. Therefore, here we report digital four-tier diagnostic test instruments of student misconception on heat and temperature through a helpful website and can be accessed anywhere.
As newbie programmers, university students are not accustomed to computer coding. It difficult to solve programming problems especially related to physics phenomena. They need strategic thinking ability to solve problems. Therefore, computational physics subject/lesson applies learning of Scratch for Arduino on block programming in order to enhance students' strategic thinking. This attempt is examined by a study using a quasi-experimental method pre-experimental design approach which is one group pretest-posttest design using third-year physics education students 2018/2019 as the sample. The result shows that students happened to increase their strategic thinking up to 11.7%, particularly on the ability to prove the chosen solution it is appropriate to students' problems in finishing projects categorized as “very good.” It enables them to finish simple physics cases by using Arduino programming and improve their coding ability significantly.
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