人们的认识是由生动的直觉到抽象的思维,由此可见直观教学的重要性。因之化学教学大纲中说:“化学是一门以实验为根据的科学。”又规定:“教师应切实遵照规定进行讲授,作好演示。”这样可以使学生获得正确鲜明而深刻的印象,容易掌握和牢记着科学知识。但在现在有些学校设备较差的情况下,进行实习有时会有困难。我们认为只要教师尽量发挥积极性和 People’s understanding is vivid intuition to abstract thinking, we can see the importance of visual teaching. According to the chemistry syllabus, “Chemistry is an experiment-based science.” It states: “Teachers should actually give lectures and presentations in accordance with the regulations.” This will give students a clear and impressive impression, Easy to grasp and keep in mind scientific knowledge. However, in some schools, the equipment is sometimes poor, and internships sometimes have difficulties. We think that teachers should try their best to be motivated