要杜絕螞蟻只需將此設施放置於盛裝淺水的盆中即可
環保捕蚊罐_花2.5元可殺千隻蚊
一個在網路流傳的小秘方,激發了小學生實驗靈感,經過不
「環保捕蚊罐」的環保之處,不只在利用資源回收的廢寶特
其實很多人都曾收到過這則網路偏方的電子郵件,指出只要
徐佳璋表示,剛看到這則網路偏方時,就懷疑是什麼東西誘
因此,師生動手實驗,希望找出更有效的誘蚊法。蚊子會被
徐佳璋表示,「環保捕蚊罐」研發成功後,曾創下單罐一周
內在地下室停車場捕獲1,427隻蚊子的紀錄;另一次測 試放置九罐捕蚊罐,更共抓到超過五千隻蚊子。徐家安回憶 整個實驗過程,最「苦」的就是撈出一坨坨的蚊子屍體,計 算到底有幾隻。
而這項成果不但讓永安國小這群師生獲得全國科展特優,並
(以下是英文版教學)
Material:
– empty bottle with 2000ml fill (as per pict)
– 50g sugar
– 1g yeast
– thermometer
– measuring glass
– blade
– black color paper
Step 1
– to cut the bottle into half
Step 2
– pour in 200ml hot water into measuring glass or any glass.
– add in 50g sugar and stir to melt
– place the whole glass of sugar water into cold water basin until the sugar water temperature turn 40°c or lower.
Step 3
– pour in sugar water into cutted bottle, spread yeast into it, do not stir as carbon dioxide will come out when ferment.
Step 4
– turn the half top bottle and place into the bottom half ( refer picture), make sure the bottle’s opening cover were removed. Seal the side seam. Carbon dioxide will come out from the opening.
Step 5
– wrap the bottle with black paper, cuz mosq like dark enviroment
To place this bottle at corner of wall or some place is cold and wet.
( dont laugh if found any wrong typo or weird explain ya)— 在發粉 讓麵包蓬鬆的蓬鬆濟