把金属勺放在热汤里,勺柄很快就变得很烫手。勺柄主要是通过哪种热传递方式而变热的?( )

J3初三科学上册 热传递的方式

Quiz
•
Science
•
9th Grade
•
Medium
wan hawl
Used 38+ times
FREE Resource
19 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
传导
对流
辐射
以上都不是
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
保温瓶胆下部的玻璃尖嘴断裂后,就会失去保温作用,这是由于哪种热传递方式增强了?( )
只是辐射
只是传导和对流
只是对流和辐射
传导,对流和辐射
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
大热天,穿浅色衣服比穿深色衣服凉快些,这是因为
浅色衣服是热的不良导体
浅色衣服能吸收人体的热量
浅色衣服能减少热的对流
浅色衣服对太阳热辐射的吸收本领比深色衣服弱
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
冬天,手放在火炉上方取暖,热传递的主要方式是
传导、对流
对流、辐射
传导、辐射
传导、对流、辐射
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一项叙述是不正确的?
银传热比铁快
保温瓶内的真空是防止因传导和对流损失热能
用铝漆来涂储油箱是为了使油箱少吸收辐射热
表面白色的物体较表面黑色的物体更能吸收及发出辐射热
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
热能由物体沿直线向各方向射出去的现象叫做
传导
对流
辐射
传递
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列哪一项关于辐射的叙述是对的?
辐射不能借助空气中的分子来传递
辐射不能在真空中进行
温度较高的物体都会放出辐射热
表面光滑的物体比较容易放出辐射热
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