物理是一门自然科学,也是一门以实验为基础的科学,物理教学离不开实验.在传统的教学中,教师常采用的实验方式是教师演示或学生分组实验.演示实验具有生动,直观形象,鲜明的特点,但是由于仪器和空间的局限,很多实验可见度不高,所以只有前面的同学能看清楚,后面的学生只能听实验,学生分组实验能 Physics is a natural science, is also an experiment-based science, physics teaching can not be separated from the experiment.In the traditional teaching, teachers often use the experimental mode is the teacher demonstration or student group experiment demonstration experiment with a vivid and intuitive Image, distinctive features, but due to the limitations of equipment and space, many experiments visibility is not high, so only the front of the students can see clearly, the back of the students can only listen to the experiment, the student group can experiment