4-2練習卷

Quiz
•
Science
•
4th Grade
•
Medium
Kevin Ton
Used 14+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
在通路的電路中加入連接物,如果無法使燈泡發光的話,這個連接物就是屬於「容易導電的物品」。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在電路中可以利用長尾夾來製作電路開關。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果手電筒裡的金屬片不見了,可以用厚紙板代替。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在電路中加入某種連接物,如果無法使燈泡發光,可以知道這個連接物是「絕緣體」。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
銅、鐵等金屬是導體,將這些材料製成的物品放到電路中會形成通路。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
用來做開關的物品要有什麼特性?
容易導電
外觀漂亮
重量很輕
價格昂貴
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
將釘書針接在通電的裝置裡,電燈中的燈泡會發光,這代表釘書針有什麼特性?
具有正極和負極
可以導電
可以被磁鐵吸引
會讓電路形成斷路
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