Originally posted by oscar at 2005-5-18 09:48 PM:
大家都應該知道錫紙的英文是Aluminium Foil
大家也知道錫和鋁的英文分別為Tin及Aluminium
那麼為什麼錫紙不叫Tin Foil,或Aluminium Foil不叫鋁紙呢?
Originally posted by JOHNLAM17 at 2005-5-18 22:17:
因為錫紙其實係由Al 做gar...
我估
Originally posted by oscar at 2005-5-18 10:21 PM:
咁點解當初要叫錫紙呢?
Originally posted by JOHNLAM17 at 2005-5-19 09:49 PM:
唔知ar
應該好似鉛筆唔係用鉛做o既道理差唔多掛
Originally posted by oscar at 2005-5-20 06:13 PM:
我睇過一d科學書,話古時既人成日將好多個元素搞亂左
好似錫、銀、鐵...佢地既顏色好相似
所以我估個答案就係:
古時既中國人用鋁黎做錫紙,d人見d錫紙既顏色似錫,所以就叫錫紙。
但係西方人就聰明地搵出錫紙 ...
Originally posted by 紅唇娃 at 2005-5-19 11:19 PM:
印象中﹐鉛筆好耐以前係用鉛做...
Originally posted by fish at 2005-5-21 03:35 PM:
鉛筆以前是用2 pics of wood夾住來用的...但易break...<小學時teacher所說的(謊言?)>
好果係Pb....有咁易咩=.=||?
但你們可以try try...burn支芯...係flameable ga~
Originally posted by 紅唇娃 at 2005-5-22 01:51:
但係D木夾住D lead 呀ma.
我聽ge聞係咁
當然﹐現代ge pencil係Graphite類物體
(亦係聽返來)
Originally posted by oscar at 2005-5-22 10:59 AM:
其實pencil支蕊應該唔會係純graphite
如果係純graphite就會好易斷...
Originally posted by 紅唇娃 at 2005-5-22 16:53:
有少量graphite.
個名就叫石墨<--唔知英文係咩
Originally posted by oscar at 2005-5-22 05:31 PM:
石墨英文就是graphite
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