分层教学“是一种行之有效的教学方法。分层次教学能真正达到”以学生发展为本“因材施教的目的,能调动学生学习主动性,突出培养学生的创新精神和实践能力,促进学生均衡和谐发展,促进学生整体素质的提高和个性的发展,激励学有余力,学有专长的学生超前发展。新课程改革倡导自主、合作、探究的学习方式,我校理科教研组在教学实践中就此问题进行了积极的探索,并提出了很多实际问题,然而同一班级学生往往知识和能力参差不 Teaching in Different Levels ”is an effective teaching method.Hierarchical teaching can truly achieve “ student development based ”teaching students in accordance with their aptitudes, can arouse students ’learning initiative, highlighting students’ innovative spirit and practical ability , To promote balanced and harmonious development of students, to promote the overall quality of students and personality development, motivational spare capacity, students with expertise in advance development of the new curriculum reform advocate autonomous, cooperative and exploratory learning, our school science teaching and research group in teaching In practice, this issue has been actively explored and put forward many practical problems, however, the same class of students often have different levels of knowledge and ability