家中有水的花器可以放一元或五十元硬幣

<div style="text-align: center;"><font style="color: DarkOrange; font-weight: bold;" size="5"><span style="font-family: Verdana;">家中有水的花器可以放一元或五十元硬幣</span></font><br><font style="color: rgb(68, 85, 166);" size="4"><span style="font-family: Verdana;"><br>（網路文章）</span></font><br><font style="color: rgb(68, 85, 166);" size="4"><span style="font-family: Verdana;"></span></font></div><font style="color: rgb(68, 85, 166);" size="4"><span style="font-family: Verdana;"><br><br><br style="font-family: Verdana;"></span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;"><br>300C.C.+4枚1元硬幣　省錢防蚊妙招<br><br style="font-family: Verdana;"></span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">夏天到了，許多積水容器容易滋生孑孓長蚊子，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">成了登革熱的溫床，今天教你一個小撇步？</span><br style="font-family: Verdana;"><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">只要在容器裡面，投入4枚硬幣，就可以殺死孑孓，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">這是高雄市七賢國小的學生參加科學展覽的作品，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">學生實驗發現，硬幣會釋放出硫酸銅，因此造成孑孓死亡，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">民眾如果在家有水池造景或者盆栽，不妨這樣做，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">而且只要3天，就會有成效。<br><br style="font-family: Verdana;"></span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">許願池裡推滿硬幣，不過你知道嗎，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">原來將硬幣放在池子裡不僅有許願意義，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">有學生發現，這還是防蚊的小撇步。<br><br style="font-family: Verdana;"></span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">獲獎學生陳沛羽：「一開始覺得很噁心，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">那如果我們一直做實驗，就會覺得牠好可愛。」<br><br style="font-family: Verdana;"></span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">3 位才年僅11、12 歲的國小生，從電視中得知，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">銅可以抑制孑孓生長，又發現許願池少有孑孓，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">於是做硫酸銅和硫酸鎳的實驗，還曾經為此培育了上千隻孑孓，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">嚇壞了周遭朋友，反覆測試，證實銅的確是抑制的重要關鍵，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">而1元和50元硬幣含銅量高達90%，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">將3000C.C.的水放入4枚1元硬幣，靜置2、3天，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">的確就能有效抑制孑孓生長。<br><br style="font-family: Verdana;"></span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">獲獎學生林炅霆：「但是如果有些花器是必須一定要有水，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">就可以放置1元硬幣在裡面，如果在裡面產卵，那孵化出來也會馬上死掉。」<br><br style="font-family: Verdana;"></span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">個個臉上露出笑容，成功的實驗也讓他們在科展中一舉奪冠，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">他們也將硬幣放在學校盆栽或蓄水容器中，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">成了現成且低成本的滅蚊幣，也替夏天的防蚊大作戰，</span><span style="font-family: Verdana;"></span><span style="font-family: Verdana;">多了省錢新妙招。<br><br><br><br style="font-family: Verdana;"></span><br style="font-family: Verdana;"></font>