化学是初中的一门重要学科,是学生学习化学的启蒙阶段,初中阶段学生对化学的学习态度会直接影响到学生今后的学习.随着素质教育的全面实施与新课程改革的全面推进,在教学理念、教学方法与教学模式上提出了一系列更高的要求.树立全新的教学观念,运用先进的教学手段,激发学生对化学的浓厚兴趣是新形势下初中化学教学的重中之重.导入是课堂教学的起始环节,也是至关重要的一个环节.在整节课的教学中导人虽然只占用很少的教学时间,但其作用却至关重要.一个好的导入可以在第一时间吸引学生的注意力,激起学生强烈的好奇心与求知欲,使学生在最短 Chemistry is an important subject in junior high school, is the enlightenment phase of students learning chemistry, junior high school students learning attitude towards chemistry will directly affect the students’ future learning. With the full implementation of quality education and the new curriculum reform, Teaching philosophy, teaching methods and teaching mode put forward a series of higher requirements.Establishing a new teaching concept, the use of advanced teaching methods to stimulate students interest in chemistry is the chemistry teaching junior high school under the new situation. The introduction is the beginning of classroom teaching, but also a crucial part of the teaching in the whole class guide although occupies very little teaching time, but its role is crucial. A good introduction can be in the For a time to attract students ’attention, arouse students’ strong curiosity and curiosity, so that students in the shortest