
第二冊第四課《電與生活》
Authored by Chi LEUNG
Science
5th Grade
Used 46+ times

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13 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種電器主要是利用了電能「發熱」的功能來運作?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種電器主要是利用了電能「發光」的功能來運作?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種電器主要是利用了電能「發聲」的功能來運作?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種電器主要是利用了電能「產生動力」的功能來運作?
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
燈泡通電後,燈泡內的鎢絲會產生甚麼?
(答案可多於一個。)
聲音
光
熱
磁力
Answer explanation
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果把電線繞在鐵棒上,然後把電線接駁電源,鐵棒會產生甚麼?
磁力
光
熱力
電力
Answer explanation
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
用電線連接乾電池和幼銅線,幼銅線會產生甚麼?
磁力
電力
熱力
光
Answer explanation
產生的熱力可以用作切割發泡膠
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