小学生读书会活动演讲稿

小学生读书会活动演讲稿 大家好!我是来自五(二)班的xx同学，今天能参加这个阳光读书会活动，我感到很荣幸。 平时我比较喜欢看一些关于科学知识方面的书，今天我要给大家讲的是一个关于古希腊着名的学者-阿基米德的小故事。 古希腊有一位着名的学者名叫阿基米德，他的聪明和智慧得到全国人民的称赞。 有一天，国王认为打造金匠为自己打造的新王冠不是纯金的，因为他可以用较多的银子换下同等重量的金子，而外表根本看不出来。国王把这件事告诉了阿基米德，要他求将这件事弄明白。 阿基米德把王冠和金块重新称了一遍，是一样重的，于是他也犯愁了。有一天，阿基米德在家里洗澡，浴缸里的水很满，溢出来了。看到这个现象，阿基米德眼前一亮，想到：流出的水和我身体的体积不应该是一样的吗？我用这个方法不就可以测出王冠有没有掺假了吗？第二天，阿基米德当着大家的面做了一个实验，他把王冠和同等重量的金块同时浸到盛满水的两个同样大小的容器中，结果，王冠排出来的水比金块排出来的水多。 阿基米德说：大家都看见了吧，很显然，王冠在水中占的地方比金块占的地方大，如果王冠是纯金的，它们排出来的水应该是一样多，也就是说它们的体积应该是一样大的。而现在王冠排出的水比金子多，说明王冠不是纯金的。于是，打造匠不得不承认自己用银子换下了同等重量的金子。 就这样，阿基米德发现了浮力，为今后的物理学的发展做出了巨大的贡献。在生活中，我们也要学习阿基米德这种善于观察生活中的小细节，并且积极思考的精神，将生活中平凡的小事运用到需要解决的难题中，不但难题迎刃而解，也会让我们的知识更为丰富。 臧克家说：”读过一本好书，像交了一个益友”。同学们，书，是伴随着我们成长的最好朋友，读书是一种熏陶，是一种享受，是一件快乐的事情。 同学们，今天你读书了吗？如果没有，请到书中来吧，书里的世界很精彩，书中的知识，会为你的理想插上翅膀，助你翱翔!QcWA3PtGZ7R4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGshLs50cLmTWN60eo8Wgqv7XAv2OHUm32WGeaUwYDIAWGMeR4I30kA1DkaGhn3XtKknBYCUDxqA7FHYi2CHhI92tgKQcWA3PtGZ7R4I30kA1DkaGtgKQcWA3P 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