化学是一门以实验为基础的自然学科,实验不但是化学科学的基础,而且也是中学化学教学的基础。化学实验对于提高化学教学质量,全面落实培养科学素养的目标,具有其他教学内容和形式所不能替代的作用。《高中化学课程标准》明确指出:“以实验为基础是化学学科的重要特征之一,化学实验对全面提高学生的科学素养有着极为重要的作用,化学实验有助于激发学生学习化学的兴趣,创设生动活泼的教学 Chemistry is a natural discipline based on experiments. Experiments are not only the basis of chemistry but also the basis of chemistry teaching in middle schools. Chemistry experiment for improving the quality of chemistry teaching, the full implementation of the goal of training scientific literacy, with other teaching content and form can not be replaced role. ”High School Chemistry Curriculum Standard“ clearly states: ”Experiment-based chemistry is one of the important characteristics of chemical experiments to improve students’ scientific literacy has an extremely important role, chemical experiments help to stimulate students interest in learning chemistry , Create a lively teaching