f.4物理問題!!!!第三課:物態的改變!

👨🏻‍🏫 學術台其他 - 科學

[匿名]

2011-12-27 8:54 pm

第三課:物態的改變(呢一課既問題)

a)解釋為何把冬天舌放到金屬柱子上時,舌頭會被黏著。

b)提供一種方法幫助他們脫身。

更新1:

煩請答出課文相關用語!!

更新2:

你地肯定係口水結冰?????

回答 (4)

Hong

2011-12-30 7:57 pm

✔ 最佳答案

(a) 口水結冰
(b) 剪斷舌頭

👍 0 👎 0

code PLUS

2012-01-01 11:51 pm

a. It is due to the property of water (saliva).

Adhesion occurs when the tongue is put on the surface of the cold metal pillar.
(But it is really uncommon unless you try hard in doing that!)

b. Maybe you should call 999 to seek help from the firemen.

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fighting gravity

2011-12-29 2:43 am

a)
因為冷空氣把口水的水結了冰，所以舌頭便被黏著

b)
用打火機

👍 0 👎 0

[匿名]

2011-12-27 9:01 pm

a)口水結了冰，舌頭便被黏著
b)把舌頭切掉

👍 0 👎 0

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