
五年级 科学 7 电 (复习一)
Authored by Toon PH
Science
5th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
干电池
蓄电池
太阳电池
小型发电机
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪种电源的操作是把化学能转换成电能?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
M = 太阳电池 ;N = 干电池
M = 蓄电池 ;N = 太阳电池
M = 干电池 ;N = 太阳电池
M = 蓄电池 ;N = 干电池
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪组搭配是不正确的?
闹钟 ----- 干电池
手机 --- 太阳电池
人造卫星 --- 太阳电池
自行车车灯 ----小型发电机
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项显示电路元件和其符号的搭配是正确?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
连接各电路元件
提供电流
接通电路
截断电路
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
把开关移出
增加灯泡的数量
增加电线的长度
增加干电池的数量
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