
五年级科学 电

Quiz
•
Science
•
5th Grade
•
Hard
world edu
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
以下都是家庭用电器时应该注意的安全措施,除了 _____ 。
不要使用旧的电器
不要使用已损坏的电器
不私自维修有故障的电器
多种电器不共用一个电源插座
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下图显示一种电源。哪项正确地说明上述电源?
提供大量的电能。
把化学能转换成电能。
适用于计算器和热水器。
通过磁力把动能转换成电能。
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
“方便操作;把汽油或柴油里的化学能转换成电能。”这是电源K的资料。电源K是什么?
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下图显示一种电源。哪项使用上述电源来操作?
巴士
摩托
冰箱
遥控器
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
哪项所使用的电源与上述物品相同?
闹钟
电脑
手电筒
计算器
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下图显示一种电器。操作这种电器的电能来自哪里?
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
K电源:把光能转换成电能;不会对环境造成污染。K电源适用于下面哪种器具?
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