樹のようにのびーるスズ #理科の実験 #ssh #experiment #都立小石川 #火曜日は化曜日

2026 0:15
Synopsis
スズが溶けている溶液に亜鉛を入れると、溶けていたスズがゆっくり出てきます。スズが樹のように成長してきれいですね。

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