观察是有目的、有计划、有思维活动的知觉活动。明确观察的目的、重点,再进行观察,会收到事半功倍的教学效果。让学生参与课堂演示实验,有利于营造和谐、愉快的课堂教学氛围,较好地发挥了教师的主导作用和学生的主体作用,对观察能力的提高起到了促进作用。 Observation is a purposeful, planned, thought-provoking activity. Clearly observe the purpose, focus, and then observe, you will receive a multiplier effect of teaching. Having students participate in classroom demonstration experiments is conducive to creating a harmonious and enjoyable classroom teaching atmosphere, giving play to the dominant role of teachers and the students’ main role, and promoting the improvement of observation skills.