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二年级电 3

Authored by SEOW MEI SIM

Science

2nd Grade

Used 4+ times

二年级电 3
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

上图干电池的X部分代表什么

正极

负极

开关

电力

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

以下哪一项用来连接电路中的元件,以形成完整的电路?

干电池

灯泡

开关

电线

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

以下哪一件物件可以在完整电路里代替开关?

Media Image
Media Image
Media Image
Media Image

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

一个完整电路的元件主要有( )、( )和( )。

干电池

灯泡

电线

开关

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

干电池分为( )和( )。

反极

正极

负极

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

选出该元件的功用。

连接电路中的每个元件

提供电流

连接或截断电路

发出光亮

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

灯泡是以旋入的方式安装进( )。

干电池匣

灯泡座内

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