投影器是当前中小学最为普及的电教设备。我市有些学校现已每班配备一台,固定于讲台旁供师生随时使用。对于如何根据初中物理教学的特点,充分发挥光学投影媒体的作用,在教学诸环节中广泛而有效地运用投影手段,我市广大教师已集累了丰富的经验。下面仅就这方面的教学体会略述数例以供参考。 The projector is the most popular audio-visual equipment in primary and secondary schools. Some schools in our city are now equipped with one class per class and are fixed at the podium for teachers and students to use at any time. For how to use the characteristics of junior high school physics teaching, give full play to the role of optical projection media, in various aspects of teaching and use of extensive and effective projection methods, the city’s teachers have accumulated a wealth of experience. The following is only a brief summary of the teaching experience in this area for reference.