Abstract
This research aims to produce the teaching materials based on the inquiry learning model with valid, effective, and practical crossword puzzle of a physics lesson, especially in the optical appliance material of junior high school. The type of this research is developmental research using a 4 D model. The 4-D model consists of 4 stages of defining, designing, developing, and distributing. This research uses the development model. The methodology used is quantitative descriptive. Likert scale is used in this research as the validity analysis. Furthermore, the practical analysis is achieved from observation instrumental of lesson plan implementation, which written in the observation sheet, and student and teacher response questionnaire. The result of the research showed that the validity analysis of teaching material is valid. Moreover, the result of lesson plan implementation, teacher response questionnaire, student response questionnaire, categorized to very practical. The findings of this research showed that inquiry learning with a crossword puzzle in optical appliance material was very valid, practical, and useful.
Highlights
Education and learning are essential things to be obtained by both children and adults
The analysis aims to identify, detail, and compile the primary material systematically from the material of optical devices that will be used as the contents of the syllabus, lesson plan s and teaching materials to be developed
This observation came from the phenomena or experiences in everyday life and connected with the physical concept learned in school through an experiment and teaching materials
Summary
Education and learning are essential things to be obtained by both children and adults. Students are divided into groups of 5 people They are expected to work together to discover the concepts of physics independently in the presence of a crossword puzzle that will make the learning process exciting and fun. The teacher is one of the factors that influence the success or failure of a teaching and learning activity For this reason, teachers are expected to use creative and innovative models, methods, and learning techniques in managing the learning process. Inquiry method learning is suggested to implementation in the study because it has provided increasing the ability of the student to understand the lesson (McBridge, 2004) Crossword puzzles help this learning process become more interesting. The purpose of this study was to produce teaching materials of optical devices based on crossword-assisted inquiry learning models to increase students’ learning outcomes
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