
第9章 磁性测验

Quiz
•
Science
•
1st Grade
•
Hard
CHONG YU TING
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
磁铁能吸引以下哪种物质?
铜
铝
铁
木材
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
什么叫做"磁性"?
能导电的性质
能吸引铁、镍、钴等物质的性质
能传导热的性质
能反射光的性质
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
以下哪种物体天然具有磁性?
钢
磁石
铝
铜
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
磁体磁性最强的部分叫什么?
磁心
磁极
磁域
磁场
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列哪个描述是正确的?
同名磁极相互吸引
同名磁极相互排斥
异名磁极相互排斥
磁极之间无相互作用
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
使原本没有磁性的物体获得磁性的过程叫什么?
磁化
去磁
磁极化
磁吸
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列哪种方法可以使物体失去磁性?
低温冷冻
轻微震动
高温加热
柔和摩擦
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