Validation of Integrated Science Teacher book with the theme of the Human Body System Adaptation to Temperature Changes using Integrated Type of 21st Century Learning

Abstract

Abstract This study aims to Determine the validation of the Integrated Natural Science teacher book with the theme senses of sight and optical devices using Integrated Integrated model of 21st Century Learning at the junior high school in Talamau district. This research method used research and development, using Plomp development models. The instrument used was a validation questionnaire. The collection of data validation technique uses a questionnaire that was previously validated by five validators. Data collected was Analyzed using qualitative descriptive through assessment and percentage. Results of analysis of the validation of the Integrated Natural Science teacher book with the theme senses of sight and optical devices using the Connected Integrated model of 21st Century Learning has an average value of 0.88 this is Showed that is developed was valid.