【新课教学】一、自由落体运动1.通过四幅动图导入课题[展示]春雨、夏露、秋叶和冬雪下落的动画。请同学们欣赏春夏秋冬这四幅动画,你发现它们的共同点在哪?生活中落体运动很常见,今天我们就来研究自由落体运动,为何多了“自由”两字,待会你就知道了。2.提出问题,学生自主探究,引出矛盾的结论,揭示问题的复 【New Course Teaching】 I. Free-fall exercise 1. Introduce the subject through four moving pictures [Show] Animated cartoon of spring rain, summer rain, autumn leaves and winter snow. Please enjoy the spring, summer, autumn and winter, these four animations, you find them in common? Falling body movement is very common in life, today we have to study the free fall movement, why more “freedom ” the word, until you I got it. 2. Ask questions, students explore on their own, lead to the conclusion of contradictions, and reveal the complex issues