
科学复习考2

Quiz
•
Science
•
6th - 8th Grade
•
Easy
宋 Dina
Used 3+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在静电中,带有正电荷的物体通常会吸引哪种电荷的物体?
正电荷
负电荷
中性电荷
不吸任何电荷
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
防静电衣物通常是用什么材料制成的?
金属
木材
塑料
纯绵
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
若甲乙两电棒相互排斥则____。
两棒都带正电
两棒都带负电
两棒都带同种电
两棒多带异种电
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在电路中得到持续电流的条件是___。
导线中有大量自由电子
用电器、导线必须与电源线连接
在电路中,必须有灯泡和电源
用导线将用电器和电源连成一个闭合回
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
导体的特点是___。
阻力小
阻力大
不导电
不发热
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪种物质不是导体?
铜
橡胶
铁
铝
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在串联电路中,电流通过电器的路径是
仅一个路径
多个路径
随机路径
无规律路径
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