火山噴發(fā)
商品摘要
本產(chǎn)品利用碳酸氫鈉(NaHCO?)俗稱小蘇打與酸性物質(zhì)組合反應(yīng)產(chǎn)生大量的氣泡,迅速從模型的火山口里流出,像火山噴發(fā)一樣。通過實(shí)驗(yàn)了解火山的成形、噴發(fā)及其危害。...本產(chǎn)品利用碳酸氫鈉(NaHCO?)俗稱小蘇打與酸性物質(zhì)組合反應(yīng)產(chǎn)生大量的氣泡,迅速從模型的火山口里流出,像火山噴發(fā)一樣。通過實(shí)驗(yàn)了解火山的成形、噴發(fā)及其危害。
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At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren, no sea takimata sanctus est Lorem ipsum dolor sit amet. Lorem ipsum dolor sit amet, consetetur sadipscing elitr.
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