
2-4Science
Authored by 陳耀民 老師
Science
1st - 5th Grade
Used 2+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
液壓起重機是生活中,用流體傳送動力的應用。
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
踩動腳踏車的腳踏板後,會藉由鏈條帶動前齒輪轉動。
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
大齒輪有 20 齒、小齒輪有 10 齒,兩齒輪用鏈條相連,大齒輪轉動一齒時,小齒輪會轉動兩齒。
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
兩個大小不同的齒輪組合,大、小齒輪轉動的圈數都相同。
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
腳踏車的前齒輪有 60 齒,後齒輪有 30 齒,如果腳踏板轉動一圈時,後齒輪會轉動兩圈。
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
互扣的齒輪組可以改變施力方向和傳送動力。
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
騎腳踏車時,腳踩動腳踏板的動力,是透過齒輪和鏈條傳送至後輪。
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