五年级科学:电
Quiz
•
Science
•
5th - 6th Grade
•
Practice Problem
•
Medium
PHUAH Moe
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以上哪一些搭配是正确的?
P而已
P 和Q
P、Q和 S
P、Q、R和S
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
发电机把汽油或柴油里的_________________.
化学能转换成电能
电能转换成 化学能
化学能 转换成 动能
动能 转换成电能
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
根据以上的说明,它是哪一种电能?
蓄电池
干电池
发电机
太阳能电池
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列有关太阳能电池的说明都是不正确的,除了_____。
只有在白天才会有电能。
价格便宜
只适用于城市地区。
较偏远的海岛上的电源之一。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
根据上图的能源,它们的共同点是什么?
热的来源
是液体
发出光
电的来源
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
上图所示的两种电源 ,它们有哪一些共同点?
I. 发出强大的电流
II. 都有正极和负极之分
III. 靠化学作用产生电能
IV. 提供相等的电能
II 和 III
I 和 IV
I , II 和 III
I ,II ,III 和 IV
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
干电池能用来操作上图的哪一些电器?
X 和 Y
X 和 Z
Y 和 Z
X、Y 和 Z
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