國小自然四下2-1

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Education
•
1st Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
當牆壁有裂縫,下雨時,雨水會滲進來,這是什麼原因造成的?
Back
毛細現象
2.
FLASHCARD QUESTION
Front
把紅墨水滴在棉紙上,可以看到紙上的紅墨水有什麼現象?
Back
向四面八方擴散
3.
FLASHCARD QUESTION
Front
下列哪一種情形不是毛細現象的例子?毛筆沾墨汁寫字, 用毛巾擦汗, 蠟油沿著燭芯上升
Back
河流自高山流到平地,再流入海裡
4.
FLASHCARD QUESTION
Front
用抹布擦乾地板的水,這是什麼原理的應用呢?
Back
毛細現象
5.
FLASHCARD QUESTION
Front
將兩片相同的玻璃片綁緊,中間夾下列哪一個物品後再垂直放入水中,水在玻璃片間的上升高度會最高? 迴紋針, 刀片, 免洗筷, 小紙片
Back
小紙片
6.
FLASHCARD QUESTION
Front
大雄不小心把水倒在桌上,下列哪個方法可以最快弄乾桌面?用抹布擦, 用電風扇吹, 用扇子搧風, 用吸管吸
Back
用抹布擦
7.
FLASHCARD QUESTION
Front
康康在書法用紙下方墊了一張報紙,然後用毛筆沾墨汁,在書法紙上寫字,他發現報紙也沾上了墨汁。請問在康康寫書法的過程中,共出現了幾次毛細現象?
Back
3次
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