其他條件相同下,下列哪一種容器的保溫效果最好?
國小自然5上ch3-3保溫與散熱

Quiz
•
Chemistry
•
5th Grade
•
Hard
翰林出版國中自然 翰林出版國中自然
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
紙盒
保麗龍盒
塑膠盒
鐵盒
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列有關保溫瓶的敘述,何者錯誤?
瓶內的真空夾層可減少熱對流
可以保溫或保冷
瓶內的真空夾層主要是為了阻隔熱輻射
將瓶蓋打開保溫效果會降低
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
裝著熱茶的杯子蓋上杯蓋後,可以減少熱的散失,是降低熱的哪一種傳播機會?
輻射
傳導
對流
以上皆是
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
下列哪一種材質較不適合用來製作保溫裝置?
鐵
塑膠
木頭
泡棉
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
將沸騰的水倒入不同的杯子中並加上蓋子,一小時後,下列哪一杯裝的水溫度可能會最高?
玻璃杯
陶瓷杯
紙杯
真空隔熱杯
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
我們通常會使用鋁箔保溫袋來裝瓶裝鮮奶,可以較長時間維持瓶裝鮮奶的低溫,這是因為
鋁箔材質可以增加熱輻射
鋁箔材質可以增加熱對流
泡棉材質不易傳導熱
泡棉材質容易傳導熱
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
媽媽分別用保溫瓶、紙杯和鋼杯裝了一樣多的熱巧克力,二十分鐘後,喝哪一個容器的巧克力會覺得最燙?
三個容器都一樣燙
保溫瓶
鋼杯
紙杯
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