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考场作文资料:方法
作者: 发布日期:2020-04-12 点击数:224
【名言警句】

问号是开启任何一门科学的钥匙。——巴甫洛夫

2.没有想像力的灵魂,就像没有望远镜的天文台。——爱因斯坦

3.科学的每一项巨大成就,都是以大胆的幻想为出发点的。——杜威

4.在科学上最好的助手是自己的头脑,而不是别的东西。——法布尔

【运用思路】

科学研究,需要一些方法来支撑,需要大胆的想像与幻想,需要开拓和创新的思维来取得另一样的境界。

【精彩素材1】

爱迪生和阿普顿

美国发明家爱迪生 年轻时曾和普林斯顿大学数学系毕业生阿普顿在一起工作。阿普顿总觉得自己有学问,不把卖报出身的爱迪生看在眼里。爱迪生为了让阿普顿把态度放谦虚一点,爱迪生就把一只梨形的灯泡交给阿普顿,请他算算容积是多少。阿普顿拿着灯泡,轻蔑地一笑:“想用这个难住我,未免太天真了!”他拿出尺子上下量了又量,还列出一道道算式、数字和符号,写了一大堆。虽然他算得非常认真,但他算了一个半的小时,仍没求出结果。爱迪生有些不耐烦了,拿过灯泡,往里面倒满了水,交给阿普顿:“去把这些水倒进量杯……”不等爱迪生说完,阿普顿明白了什么是既简单又准确的方法,他那冒着汗的脸刷地红了。

【素材点拨】

打破习惯思维的束缚,会让研究的僵局豁然开朗。阿普顿根本不会想到打破定势,而爱迪生突破习惯思维的束缚,运用了发散思维。

【适用话题】

“守旧与创新”、“发散思维”、“打破束缚”等。

【精彩素材2】

给网球充气

网球没有打气孔,但长期使用后会慢慢漏气,失去弹性。如何给瘪了的网球充气就成了一个难题。有人从网球为什么会漏气分析入手,认为网球之所以有弹性是其内部气体压强高,外部大气压强低,导致气体从网球内部往外部漏气,最后网球内外压强相同时,就没有足够的弹性了。我们运用逆向思维方法,让气体由球外向球内扩散,即把瘪了的网球放进一个高压钢瓶中,让钢瓶内的气体慢慢往网球内“漏气”,经过一定的时间,网球便会膨胀起来。让气体从外向里漏的逆向思维,使没有打气孔的网球同样可以实现充气,通过逆向思维,把不可能变成了可能。

【素材点拨】

“退一步海阔天空”,采用逆向思维的方式,就会取得意想不到的效果,会把不可能变成可能。

【适用话题】

“退与进”、“逆向思维”等。

【精彩素材3】

科技奥运闪烁人文关怀

作为2008年北京奥运会的主体育场,鸟巢将举行开、闭幕式,同时承担奥运会的田径和 足球项目比赛。正是“鸟巢”的创新设计和人文关怀体现出了这届奥运会的 精神所在。无论是碗状看台的设计、全部扭曲钢 结构的外圈、对外通透的结构还是各种出于人本和环境考虑的设备安装和设计,以“鸟巢”为首的奥运体育项目建设都为中国的建筑进程立下了一座里程碑。

【素材点拨】

创新的思维必然会取得特殊的效果。“鸟巢”的创新设计和人文关怀体现出了这届奥运会的精神所在。

【适用话题】

“奥运”、“创新”、“想象”等。
    



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