今天上课的时候,老师从包里拿出了许多纸片,我心想:咦,老师拿纸片干什么呢?她葫芦里卖的是什么药呢?谜底慢慢被揭开了,原来老师让我们做“摩擦起电”的实验呀!一切准备就绪后,实验正式开始,我按照老师讲的方法先把纸片撕碎,再用直尺来吸。可是碎片太不听话了:它们就像一个个沉睡的小宝宝一样躺在我的桌子上纹丝不动。接着,我将直尺在我的头发上摩擦了几下,然后再吸上来。瞧!见证奇迹的时刻到了,那些 Today class, the teacher took out a lot of paper from the bag, I thought: 咦, the teacher took the piece of paper what? Her gourd in what medicine is sold? The answer slowly opened, the original teacher let We do “friction electrification ” experiment! Everything is ready, the experiment officially began, I taught the teacher first method of paper shredding, and then use a ruler to suck. But the shards were too obnoxious: they lay like a sleeping baby on my desk. Then, I rubbed my ruler on my hair for a few moments and then sucked it up again. Look! Time to witness miracles, those