能的转换
Authored by Min Hui Lee
Science
5th Grade
Used 179+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下面显示能的形式转换。
电能 —> 动能
哪种电器操作时涉及上述能的转换？
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图三显示一种电器。
上述电器操作时，会把R转换成S、T、和热能。R、S和T分别是......
R 电能
S 势能
T 动能
R 化学能
S 声能
T 势能
R 化学能
S 势能
T 动能
R 电能
S 声能
T 光能
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪项可把动能转换成电能？
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下面的资料显示活动X中所涉及的能的转换。
动能 —> 热能 + 声能
活动X是什么？
摩擦双手
放鞭炮
踢球
开启收音机
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图1显示浩明握着一个摆锤。
哪项正确地显示，当浩明放手时所涉及的能？
动能
动能和声能
势能和动能
势能和声能
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪种工具在操作时，能的转换与其他工具不同？
7.
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
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