國小自然4下ch2-2虹吸現象

Quiz
•
Physics
•
4th Grade
•
Medium
翰林出版國中自然 翰林出版國中自然
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用裝滿水的水管,將水從水位高的容器引出,再流向水位低的一端,此種現象稱為
虹吸現象
浮力現象
毛細現象
流動現象
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用虹吸現象幫水族箱換水,水管中要先裝滿什麼東西?
空氣
水
細砂
溼泥土
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用一條水管替水族箱換水,當水管的出水口愈高時,水流會有什麼影響呢?
流速愈快
流速愈慢
忽快忽慢
沒有影響
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用虹吸現象替水族箱換水時,下列哪一個敘述是錯誤的?
雙手要按住水管兩端
水管兩端要同時放進水族箱內
水管內要裝滿空氣
出水口的位置要低於入水口水位
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列有關虹吸現象的敘述,何者錯誤?
移動的液體只能是水
水管裡不能有空氣
水管的口一定要放入液體中
出水口一定要低於水面
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用虹吸現象幫水族箱換水時,下列哪一個情況下水可能無法流出?
水管內裝滿水
出水口比入水口高
入水口比出水口高
以上皆可能
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
老師請值日生把教室裡水族箱的水換掉,值日生應該用下列哪一種方法才可以安全且快速的達到老師要求?
抱起水族箱用倒的
將一條毛巾的一端放水族箱裡,另一端掛在箱外
將一條裝滿水的水管一端放入水族箱,另一端放在比水族箱水位低的水桶裡
用勺子舀水出來
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