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第9章 磁性测验

Authored by CHONG YU TING

Science

1st Grade

第9章 磁性测验
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

磁铁能吸引以下哪种物质?

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?

磁石

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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