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          歡迎訪問作文范文網

          神奇的燈泡實驗

          作者:作文大全來源:作文范文網 時間:2018-07-18 閱讀: 字體: 在線投稿
            “亮了,亮了!”我高興地叫道。不問不知道,一問哈哈,原來是燈泡亮了。
            今天科學老師布置的作業,利用簡單的材料讓小燈泡發光。一回家,我興致勃勃地找來材料,動手做起來。我把電池、小燈泡和導線組合在一起。咦?燈泡怎么不亮呢?我望著手中的小燈泡,暗暗思忖。“呀,它這是短路了,電池連接了,而小燈泡卻沒有連接好。”我仔細檢查,恍然大悟。第二次嘗試,我照著書上的步驟,但又失敗了。我很納悶,怎么還是不亮呢?媽媽決定幫助我,她讓我把電池扶穩,“哇呀呀呀!”我被這突如其來的疼痛嚇壞了。“哎呀,你這個粗心的媽媽,你把電池的兩端都連接上了,它都短路了!”我捏著手指,皺著眉頭說。媽媽似乎很不甘心,按著我的想法,繼續指導我做實驗。“啊,電池和小燈泡相互連通,小燈泡終于亮了!”可媽媽看著手機上別的同學傳的照片說:“不夠亮啊!”于是又和我說:“再加一節電池試試。”果然,小燈泡真的更亮了,燈泡發光實驗成功!
            牛頓說:“沒有大膽的猜測就做不出偉大的發現。”我卻想說:“沒有大膽的實驗也就沒有偉大的發現。”

            標簽:神奇的燈泡實驗

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