如何有效地帮助和引导学生的课堂学习,让学生学得更好,是很多教师踌躇犯难的操作性问题。通过实践和研究,我们发现,在初中科学学科,尝试使用“学习单”导学,可以促进学生有效地学,是课堂嬗变之路。它是以“学 How to effectively help and guide students in classroom learning so that students can learn better is that many teachers are confused about operational problems. Through practice and research, we find that trying to use ”learning single“ in junior middle school science can promote students’ effective learning and is the way of classroom transmutation. It is based on ”learning