《科学课程标准》指出:“科学学习要以探究为中心。亲身经历以探究为主的学习活动是学生学习科学的主要途径。”在新课改理念的指引下,科学探究活动成了学生学习科学的主要方式。于是在教学中,教师设计一个又一个的科学探究活动,课堂完全处于不断的动手操作和实验探究之中。甚 The “Science Curriculum Standards” states: “Scientific learning should be centered on inquiry. The experience-based learning activities are the main ways for students to learn science.” Under the guidance of the new curriculum reform philosophy, scientific inquiry activities have become student learning. The main way of science. So in teaching, teachers design one after another scientific inquiry activities, the classroom is completely in continuous hands-on operation and experimental exploration. very