《科学课程标准》指出:“科学探究是科学学习的中心环节。科学探究可以使学生体验到探究的乐趣,获得自信,形成正确的思维方式。”教师利用以动手实践为主的探究学习方式,重视科学实验活动,让学生亲历科学概念的建立、科学规律的发现、科学素养的培养过程,激发学生进行科学实验的兴趣,发展学生科学实验动手能力,提高科学实验课堂活动实效。 Science Curriculum Standards states: “Science inquiry is the central link of science learning, and science inquiry can make students experience the pleasure of inquiry, obtain self-confidence and form the correct way of thinking.” "Teachers use exploratory learning based on hands-on practice Way, attach importance to scientific experiment activities, let students witness the establishment of scientific concepts, the discovery of scientific laws, scientific literacy training process, to stimulate students interest in scientific experiments, develop students’ ability of scientific experiments and improve the effectiveness of science experiment classroom activities.