二年级 电
Authored by NG Moe
Science
2nd Grade
Used 45+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
说出电路元件的名称
干电池
电线
灯泡
开关
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
说出电路元件的名称
干电池
电线
灯泡
开关
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
说出以上电路元件的功能
接通或截断电路
提供电流
发出光亮
让电流通过
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
说出以上电路元件的功能
接通或截断电路
提供电流
发出光亮
让电流通过
5.
OPEN ENDED QUESTION
30 sec • Ungraded
灯泡为什么不能发亮？写下原因
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
木尺是.................，...................让电流通过
电导体，不能
电导体，能
绝缘体，不能
绝缘体，能
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
铁钉是.................，...................让电流通过
电导体，不能
电导体，能
绝缘体，不能
绝缘体，能
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