在新课程背景下,小学科学课正经历着一场变革,从教学理念到教学实践,都发生了相应的变化。小学科学是对学生进行科学启蒙教育与初步培养科学素养的重要课程。有效教学是新课程改革形势下的重要教学理念,同时也是重要的教学目标。因此提高小学科学课堂的教学效率,实现小学科学课堂的有效教学是新课程教学改革对小学科学教学提出的新要求。 Under the background of the new curriculum, the primary science curriculum is experiencing a change, from the teaching philosophy to teaching practice, have undergone corresponding changes. Primary science is an important course for students to carry out scientific enlightenment education and initially cultivate scientific literacy. Effective teaching is an important teaching concept under the new curriculum reform situation, and it is also an important teaching goal. Therefore, improving the teaching efficiency of primary science classroom and realizing the effective teaching of primary science classroom are the new requirements of the new curriculum teaching reform for primary science teaching.