21st century skills are a very important skill and must be possessed by students, one of them is critical thinking skills. This study aims to improve primary students’ critical thinking by implementation inquiry learning model. Instrument test in this study was 10 question and essay format, and it was adapted by Ennis critical thinking framework. Method this study is quasi experiment. This research was conducted by 54 subjects of primary school students in Pekanbaru. The results of this research obtained students’ seen from the value of the gain index after implemented inquiry learning model was in medium category. It could be concluded that the inquiry learning model can improve primary students’ critical thinking skills on Earth and universe concept.
The learning media developed based on PowToon in global warming material for grade XI students high school. The purpose of this study was to design, analyze the feasibility, and assess the students responses to PowToon based learning media on global warming material. This type of research is a Research and Development (R&D) with the ADDIE model design. The research instrument used was the PowToon media validation assessment sheet which was used by the validator to assess the feasibility of the learning media. Students also filled out a questionnaire to see the responses to the PowToon media developed. The learning media developed after being assessed and given suggestions by the validator are said to be feasible with the valid category. Based on the research results, it was obtained that the average validation of the four media aspects was 86% with the valid category. The average validation of content aspects, design aspects, pedagogical aspects, and ease aspects in media use. As for the results of filling out the student questionnaire, the overall average was 83% with a good category. Where the average questionnaire motivation, learning outcomes, and scientific attitudes. Thus learning media based on PowToon is declared feasible with the valid category used as a learning media.
Scientific argumentation is one of the thinking ability which important to be trained in order to make studentsnot only focus on solving quantitative problem and analyze physics phenomena in daily life. This study wasaimed to determine the effect of Generate Argument Instruction model toward student argumentation skillson optical material. Quasy experiment was use as study model by using intact group comparison. Thepopulation in this study were students grade VIII of SMPN 20 Pekanbaru which consisted of seven classes.Two classes whas choossen to be experiment and control class based on normality and homogenity test. Thedata was analyze by using descriptive and inferential statistic techniques. The result of this study showedthere was a sifnificant influence toward students argumentation skill between experiment class that usingimplementy Generate Argument Instructional Model and control class that using conventional learning. Theargumentation skill of experimental class was higher than class control (12,7%). It can be conclude, thegenerate argument instructional model gave the positive effect toward student’s argumentation skills.
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