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五年级 科学 7 电 (复习一)

Authored by Toon PH

Science

5th Grade

Used 2+ times

五年级 科学 7 电 (复习一)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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干电池

蓄电池

太阳电池

小型发电机

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪种电源的操作是把化学能转换成电能?

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3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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M = 太阳电池 ;N = 干电池

M = 蓄电池 ;N = 太阳电池

M = 干电池 ;N = 太阳电池

M = 蓄电池 ;N = 干电池

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪组搭配是不正确的?

闹钟 ----- 干电池

手机 --- 太阳电池

人造卫星 --- 太阳电池

自行车车灯 ----小型发电机

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪项显示电路元件和其符号的搭配是正确?

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6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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连接各电路元件

提供电流

接通电路

截断电路

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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把开关移出

增加灯泡的数量

增加电线的长度

增加干电池的数量

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