DIY地震報警儀

SKU: K215
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SKU: K215 Category:

材質:塑料/塑膠

尺寸:145*55*55mm

描述

認識閉合電路

當懸掛於空中的小球受到震動後產生擺動銅絲就會碰到邊緣的鐵環導線接觸鐵環片後形成閉合電路。

了解地震怎麽形成?

由於地殼運動引起的地球表層快速震動,地殼快速釋放能量過程中造成的震動,期間會產生地震波也是地殼運動的一種特殊表現形式。

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