
南一國小自然4上ch4-1
Quiz
•
Science
•
4th Grade
•
Practice Problem
•
Medium
南一 自然
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
關於電線、乾電池、燈泡連接成通路的方式,何者錯誤?
電線接在乾電池的負極
電線接在燈泡的鎢絲
電線接在燈泡的連接點
電線接在乾電池的正極
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
當燈泡、電池與電線接成的電路形成通路時,燈泡會有什麼現象?
發光
破裂
閃爍不定
沒變化
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列哪一項不屬於燈泡的構造?
燈絲
連接點
磁鐵
玻璃罩
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
切開電線的塑膠外皮可以看到什麼?
棉花
有水流出來
紙條
銅線
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
打開手電筒的開關時,會使手電筒內的電路形成什麼狀態?
斷路
通路
短路
線路
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
將硬幣接在通電裝置上可以使燈泡發光,表示硬幣具有什麼特性?
可以被磁鐵吸引
可以使電路形成斷路
具有正極與負極
容易導電
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列關於電線的敘述,哪一項錯誤?
外皮可能是塑膠做的
裡面可能是銅線
可以形成通路的部分是銅線
可以形成通路的部分是外皮
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