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初中物理新教材的特点之一是增加了小实验内容。这些小实验简单易做,颇有趣味,对激发学生学习物理的兴趣,培养学生实验能力、思维能力都是十分有益的。但要使学生爱做小实验,做有所得,则必须发挥教师的指导作用。我们的做法是: 一、指导学生从实验要求着手去解决小实验材料问题教材中所列小实验的材料大部分容易解决,少数稍有困难。如做三色板实验时,需要一个陀螺,而一时要实验室拿出许多陀螺是有困难的。这时,我启发学生去考虑为什么必须将三色板安装在陀螺上,当他们明白了陀螺的作用是使三色板平稳地快速旋转时,思维就活跃了。他们有的用筷子削成一个小陀
One of the characteristics of the junior high school physics textbook is the addition of a small experiment. These small experiments are easy to do and are quite interesting. They are very useful for stimulating students 'interest in physics and developing students' experimental ability and thinking ability. But to make students love to do a small experiment, do have income, you must play a guiding role of teachers. Our approach is: First, guide students from the experimental requirements to solve the problem of small experimental materials materials listed in the small experiment most of the materials easily solved, a small number of minor difficulties. As a trochlear experiment, you need a gyro, and sometimes to the lab to come up with many gyro is difficult. At this moment, I enlightened the students to consider why the tri-color panels had to be mounted on the gyroscope, and when they understood the role of the gyroscope was to rotate the panels quickly and smoothly, the mind became active. Some of them use chopsticks cut into a small Tuo