康軒版四下自然 4-2 電路與開關
Quiz
•
Physics
•
4th Grade
•
Medium
WU CHENG TA
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小恩買了一臺新的電動汽車,操作什麼構造就可以啟動汽車的移動或停止?
電池
汽車裡的燈泡
開關
電線
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
手電筒的開關上有一個塑膠外殼,使用塑膠的目的是什麼?
可以連接電路形成通路
延長電池的使用壽命
使燈泡更亮
隔絕手和電路,避免使用時觸電
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在電路中接上一個硬幣後,燈泡還是會發亮,可見硬幣具有什麼特性?
導電性
熱傳導性
磁性
彈性
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
硬幣、木頭、迴紋針、鐵線、玻璃、鋁箔紙,上列有幾種物品是電的導體?
2種
3種
4種
5種
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果連接在通路中的電線斷了,用下列何者來連接,燈泡會再度發亮?
塑膠尺
鋁箔紙
圖畫紙
課本
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電器用品開關中的「OFF」通常代表什麼意義?
開關打開,電路是通路
開關關閉,電路是通路
開關打開,電路是斷路
開關關閉,電路是斷路
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
阿進製作小夜燈,因為電線斷裂所以無法發亮,用下列何者連接後,小夜燈可以再度發亮?
木製直尺
鐵製迴紋針
原子筆筆管
棉線
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