在我市组织的中学物理青年教师教学赛中,有几位讲“牛顿第一定律”的教师都引导学生用牛顿第一定律来鉴别鸡蛋的生熟。笔者甚觉新奇,后来向他们了解才知道,这是第六届全国中学物理青年教师教学大赛中获奖者——西北师大附属中学魏庆蓉老师在获奖课中使用的。于是笔者找来了第六 In the teaching contest for middle school physics young teachers organized by the city, several teachers who spoke about “Newton’s first law” guided students to use Newton’s first law to identify the raw and cooked eggs. The author was very novel, and later learned from them that this was the winner of the sixth session of the National High School Physics Young Teacher Teaching Contest. Teacher Wei Qingrong, a secondary school attached to Northwest Normal University, was used in the award-winning class. So I got sixth