Abstract
This study aims to produce products in the form of learning media and instruments based on the 5E learning cycle model on harmonic vibrationàmaterial. It isàdevelopment research usingàthe ADDIE model consisted of 5 stages:àanalysis, design, development, implementation, and evaluationàstagesà(this study wasàlimited to the development stage). The products developed were Syllabus, Lesson Plan, Student Worksheets, and Critical Thinking Skill Instruments in Physics. The feasibilityàof the learning mediaàand instrument developed was measuredàby three expertsââ¬â¢ validation by calculating the validity and reliability values of the media and instrument. The validity results basedàon the expertsââ¬â¢ assessment showed that the score of the syllabus wasà3.70 with very valid criteria. The Lesson Planàwas 3.66 withàvery valid criteria; the LKPD wasà3.66 withàvery valid criteria, and the Critical Thinking Skill Instrument in Physics wasà3.63 included in the very valid criteria. The reliability results of the syllabusàwere 94.52%, the Lesson Planàwas 90.36%, the LKPDàwas 91.78%, and the Critical Thinking Skill Instrument in Physics wasà93.62%, indicating that all aspects assessed hadàa reliable category. Basedàon these results, it can be concludedàthat the learning media and instrument developed are feasibleàto use in learning to improve students' critical thinking skills in Physics on harmonic vibrationsàmaterial.
Highlights
Education is a process to fix, change, and improve the knowledge and skill of the students to a better future
Education is inseparable from the learning process
This learning process continues to changes, and it is known in learning as 21st-century skills
Summary
Education is a process to fix, change, and improve the knowledge and skill of the students to a better future. There has never been development research related to using the 5E learning cycle model to improve students' critical thinking skills in Physics. This development research is considered essential to conduct. Required to analyze the concept of material, apply the idea to a new situation at the elaboration stage, and evaluate each time learning is conducted at the evaluation stage Through this model, students' critical thinking skills can be increased. Developing learning tools and instruments for critical thinking skills in Physics based on the 5E learning cycle model, students' critical thinking skills in Physics are expected to improve, especially during the Covid-19 pandemic
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