一個好像不算是科學的科學問題~XDDD

oscar

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係用鋁做ge~所以叫Aluminium Foil~

JOHNLAM17

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 ...

什麼是"我估個答案"

:em03::em03::em03:

fish

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...

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~

dolphin_ice

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~

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)

oscar

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)

其實pencil支蕊應該唔會係純graphite
如果係純graphite就會好易斷...

dolphin_ice

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...

有少量graphite.

個名就叫石墨<--唔知英文係咩

oscar

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

石墨英文就是graphite

dolphin_ice

Originally posted by oscar at 2005-5-22 05:31 PM:

石墨英文就是graphite

咦 o_O|||

天音: 紅唇娃好廢呀!