能的转换
Quiz
•
Science
•
5th Grade
•
Practice Problem
•
Medium
ting bee yan
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20 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
能的形式可以被转换。以下哪个电器是由电能转为热能呢?(答案可超过一个)
热水器
收音机
电视机
熨斗
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
图中的电器涉及什么能?
化学能→电能→动能
电能→动能
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图2显示一种工具。
哪项有关这个工具的操作时所涉及的能的转换是正确的?
化学能 —> 光能
化学能 —> 热能
化学能 —> 光能 + 热能
电能 —> 光能 + 热能
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列物体所涉及的能的转换是 化学能 -> 光能 + 热能 , 除了
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
试说出燃烧蜡烛能的转换。
电能 —> 光能 + 热能
化学能 —> 光能 + 声能
光能 —> 热能
化学能 —> 光能 + 热能
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
苹果掉落在地面涉及了哪些能的转换呢?
势能 —> 动能 —> 声能
势能 —> 动能 —> 光能
势能 —> 动能 —> 热能
势能 —> 动能
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图3显示一个火堆。
火堆中的光和热由哪种能所产生?
化学能
太阳能
核子能
电能
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