观察的目的在于了解现象，取得资料，提出问题。能否达到目的，关键在于学生的观察能力。下面就此问题谈几点看法： １．养成良好的观察习惯。我充分利用中学生强烈的好奇心理，把他们的积极性引导到对实验现象的观察上来。通过观察，一方面保护了学生的好奇心和对实验的兴趣， The purpose of observation is to understand the phenomenon, obtain information and ask questions. The key is whether the students can observe the ability to achieve their goals. Here are some points on this issue: 1. Develop good observational habits. I make full use of the intense curiosity of middle school students and lead their enthusiasm to observe the experimental phenomena. Through observation, on the one hand to protect the students' curiosity and interest in the experiment,