“物体做曲线运动时的速度方向的判定”是高一物理曲线运动这一章的重点,然而在教学中,我们大多数教师在授课时均采用视频、图片等方式将生活中的砂轮打磨刀具的火花、运动员放手后飞出的链球呈现给学生,让学生通过短时间观察得出结论.笔者发现这样的方式时间短、学生虽能观 “The direction of the speed of the object to do when the curve motion determination ” is the focus of the chapter higher physical curve movement, but in teaching, most of our teachers are taught in the use of video, pictures, etc. will be the wheel of life Polish the sparks of the tool and the hammer released by the athlete is presented to the students so that the students can draw conclusions through short time observation.The author finds that such a method has a short time and students can watch