
4 KH 4-3 用電觀念知多少 是非E
Authored by Wendy Hsieh
Geography
1st - 5th Grade
Used 1+ times

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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
廢電池裡的化學物質具有毒性,會危害環境,所以必須放入電池回收桶裡回收。
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果在小馬達的軸心上加一小段紙片,就會讓小馬達轉得更快。
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
拆開通電後會動的玩具,會發現裡面通常都有小馬達。
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將電視遙控器拆開來,可以看到裡面有小馬達的構造。
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
製作通電玩具時,在電路中設計開關的目的,是為了控制電路的通路或斷路。
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
製作美麗小夜燈時,在電路中設計開關的目的,是為了控制小夜燈亮或不亮。
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
製作小型電風扇時,如果想讓電風扇轉得更快,可以再增加一個電池,並用電池並聯的方式連接。
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