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滴水不漏――實驗教學

時間:2016-07-17 21:28:25   來源:文章閱讀網  作者:吳曉珊  點擊數:731    

一進課室便看著桌子上突然有了一盆水,一些一次性水杯和一沓紙。怎么回事呢?原來今天的課程是趣味物理小實驗??紤]到此次我們啟航支教課堂的學員大部分是男生,而男生對這些動手性比較強的課堂會比較感興趣。所以,為了提高學員們對學習的興趣,擴展他們的視野。同時,讓他們對一些簡單的物理現象有一個初步的了解。我們開展了以“壓強”為主題的趣味物理小課堂。此次課堂采用實驗教學的方法。

首先向學生們展示與壓強有關的簡單小實驗“滴水不漏”,小朋友仔細的看著教員演練實驗的每一步驟,將杯子里裝滿水,再用紙片把杯口蓋嚴,手按紙片把杯子倒過來,驚奇地發現放手后紙片不會掉下,杯子里的水也不會掉下。而一旁組員就向學生講解實驗的原理,向同學們講解壓強是如何作用而使水不往下掉落。

而后將學生分為四個小組,每組由一位教員來指導學生進行實驗操作,確保每位學生都有動手操作的機會。通過讓他們自己做實驗來真實地體驗物理的樂趣并使他們對這其中的知識有更深刻的記憶。

這是一次成功的“實驗”,他們在實驗中驗證知識,知道了知識應用到實際之道,他們在歡樂中學到知識,在實驗中記住知識。

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