教学仪器是开展实验教学的必要条件,在仪器短缺的年代,许多教师通过自制教具,带领学生开展物理课外活动。自治区教育装备处曾多次举办了全区中小学教师自制教具评选大赛,大大激发了中小学教师自制教具的工作热情,同时,也开辟了学生自主探究的第二课堂。虽然现在实验条件 Teaching equipment is a necessary condition for carrying out experimental teaching. In the era of shortage of instruments, many teachers lead students to take part in extracurricular physical activities through self-made teaching aids. Autonomous Region Education Equipment Office has repeatedly held a primary and secondary school teachers teaching aids selection contest, which greatly stimulated the enthusiasm of primary and secondary school teachers teaching aids, but also opened up a second class of students to explore. Although the experimental conditions