随着一阵清脆的铃声,我从容地走进了四年级一班的教室。这节课探究的内容是《滑梯的科学》。由于材料比较好准备,所以我没有像往常搬家似的,带来那么多材料,而是让学生用尺子代替滑梯,用小玻璃球代替下滑物体,用书当垫物,就完全可以进行实验研究了。一切准备就绪,同学们开始活 With a burst of crisp ring tones, I calmly walked into the fourth grade class classroom. The content of this lesson is “the science of slides.” As the material is better prepared, so I did not like the usual move, bring so much material, but to allow students to replace the slide with a ruler, with a small glass instead of gliding objects, with the book as a pad, it is entirely possible for experimental study . Everything is ready, students start living