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    蕪湖科技館作文950字

    發布時間:2018-06-05 18:27:46    作者:汪舒欣

      “小鳥在前面帶路,風兒吹向我們……”我哼著歌,踏上了去蕪湖科技館的旅程。這次的活動是由小記者站的汪老師組織的。我們乘著大巴,經過了兩個半小時的路途,到了蕪湖科技館。蕪湖科技館位于蕪湖市銀湖北路70號,占地面積20100㎡,建筑面積16600㎡,總共有5層,地下一層,地上四層。整個展區共設有“時代輝煌”、“科學啟迪”、“智慧之光”、“兒童世界”四個主題展區。

      剛到科技館,大門外,映入眼簾的,是一個龐大的天平。天平的形狀像蹺蹺板,由一個支點和一個鋼筋材質的杠桿組成。天平的左右兩邊長短不同,左短右長,天平的左端是一輛常見的小汽車,天平的右邊每隔一段距離就拴著一段又粗又長的麻繩,麻繩上間隔十幾厘米有一個結,是為了方便人們抓握。我好奇的走上前去,拉住從右往左數的第一個繩子,用力一拽,小汽車竟然被我拉到了上面。我很吃驚,但很快就想起來這就是科學老師上課講的“杠桿原理”,能被我拉起來是印證了“阻力臂×阻力<動力臂×動力”。

      走進科技館,我首先看到的,就是通向二樓電梯左邊的 “傅科擺”。傅科擺是法國物理學家傅科在一九五一年為了證明地球在自轉而做的一次成功的擺動實驗。實驗在法國巴黎舉行,擺長67米,擺重27公斤。我看到的傅科擺是一根很長很長的線,從36米高的天花板上垂下來,線的底端有一個籃球那么大的銅球,銅球下方有一個直徑一米多,高約20厘米,下寬上窄的圓形托盤,銅球底部的中心點有一個圓錐形的鋼針,鋼針的尖端正對著托盤的中心。整個傅科擺一直在有規律的左右微微擺動。

      接著我來到了2樓,看到了一個名叫 “跳舞的磁片”的展品。這個展品展示的是磁和磁場。展臺的展品被玻璃罩著,玻璃罩正中有一個車輪狀,乒乓球大小的手柄,手柄下方是一根粗鐵桿,粗鐵桿的上面穿了一個細鐵桿,細鐵桿的兩端是兩個圓,分別是N級和S級,就是它們產生了磁場,鐵桿的周圍分布著六個豎放著的圓環,圓環比細鐵桿低,中間有紅藍兩色的三角狀小磁片。圓環并不是固定的,當我轉動手柄,手柄所經過的圓環和小磁片受到磁場的作用就開始旋轉,我旋轉的速度越快,小磁片的運動速度也就越大,仿佛在跳舞一般,十分有趣。

      快樂的時光總是過得很快,不知不覺,燦爛的陽光從館外悄悄地走進了館內,仿佛也想看一看展品,集合的時間到了,我們念念不舍地離開了蕪湖科技館。

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