
初三科学上册第6章 热

Flashcard
•
Science
•
9th Grade
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
Front
辐射的定义是什么?
Back
辐射是温度较高的物体直接将能量传送给温度较低物体的过程。
2.
FLASHCARD QUESTION
Front
热传递的三种方式是什么?
Back
热传递的三种方式是:传导、对流和辐射。
3.
FLASHCARD QUESTION
Front
辐射的特点是什么?
Back
辐射不需要任何介质,可以在真空中传播。
4.
FLASHCARD QUESTION
Front
保温瓶的结构如何影响热传递?
Back
保温瓶的结构通过减少瓶内外之间的热传递,达到保温效果。
5.
FLASHCARD QUESTION
Front
热能的定义是什么?
Back
热能是物体由于内部大量粒子的热运动而具有的能量。
6.
FLASHCARD QUESTION
Front
物体的温度与热能的关系是什么?
Back
物体的温度越高,热能就越大。
7.
FLASHCARD QUESTION
Front
热量的定义是什么?
Back
热量是物体在热传递中吸收或放出的热的多少。
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