Science Testbook is the textbook that contains activities, explanations with storytelling methods, experiments, the best explanation with interesting facts, knowledge related to real-life situations, consists of hands-on activities, etc. The objectives of the Science textbook:Testbook should be children-oriented.The colors chosen in the textbook should be attractive for the children.The explanation should be in an easy langauage.Topics should be directly related to the hands-on activities and daily life of the children.Textbooks should be appreciative in nature so that concepts evolve with time. ?So option (4) is the correct answer.