新课程的实施是一个循序渐进的过程,自然学科在被替代前仍然被广泛使用。作为一名自然课专职教师,我承担了三年级三个班的科学课,同时我还执教五个班的自然课。执教新旧两门课程,自然课和科学课的对比成为我教学反思的焦点。科学课是在自然课的基础上发展起来的,是对自然课的革 The implementation of the new curriculum is a gradual process, and natural sciences are still widely used until they are replaced. As a full time nature teacher, I took the science classes in the third grade and I also coached the natural classes in the five classes. Coaching the old and the new courses, the natural class and science class contrast became the focus of my teaching reflection. Science class is developed on the basis of the natural class, is the natural class of leather