康軒自然四下L2-2-A-虹吸現象
Quiz
•
Science
•
4th Grade
•
Practice Problem
•
Medium
仁和國小管理員 仁和國小管理員
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將兩支可彎吸管互相套成ㄇ字形並裝滿水,然後將吸管兩端分別放進兩個各裝半杯水的燒杯中,改變兩個燒杯的高度,會有什麼變化?
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
小容家裡的水族箱水面高度距離地面150公分,如果小容要利用虹吸現象更換水族箱的水時,水管出水口大約需要距離地面幾公分?
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列有關利用水管與虹吸現象幫水族箱換水的敘述,哪一項是正確的?
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
利用裝滿水的水管幫水族箱換水時,水管出水口的高度應如何擺放?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
利用水管可以安全又快速的讓汽車油箱中的汽油流出來,這是什麼現象的應用?
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將裝滿水的ㄇ形吸管放入甲、乙兩個裝水的燒杯中,如果將乙燒杯往上提高,會有什麼情況發生?
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
一旦利用虹吸現象讓水族箱中的水從水管中流出後,如何才能讓水停止流動?
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