二年级科学单元七 完整电路的元件
Quiz
•
Science
•
1st - 2nd Grade
•
Medium
Ng Xiao Fang
Used 4+ times
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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
完整电路须有哪些电路元件?
开关、电线和灯泡
灯泡、干电池和电线
干电池、灯泡和开关
电线、灯泡和灯泡座
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
( )用来连接电路中的每个元件,以形成一个完整电路。
灯泡
电线
开关
干电池匣
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
这是电路中哪个元件?
干电池
电线
开关
灯泡
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果完整的电路中的开关被按下长达一天,预测灯泡的亮度?为什么?
灯泡亮度会越来越亮,电池的电量没有被消耗。
灯泡亮度会越来越暗,电池的电量逐渐被消耗。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项能提供电流?
开关
灯泡
电线
干电池
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电路中的开关有什么功用?
提供电流
发出光亮
连接电路元件
接通或截断电路
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
这是电路中哪个元件?
灯泡
干电池
电线
开关
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