若物體溫度升高,則下列敘述何者正確?

國二上理化Chap5_2 熱量與比熱 2024 1106

Quiz
•
Physics
•
8th Grade
•
Easy
Sone Wang
Used 4+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
吸收了熱量
放出了熱量
比熱會變大
比熱會變小
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
鐵塊質量3公斤、比熱0.113卡∕(公克.℃)、溫度45℃;銅塊質量2公斤、比熱0.093卡∕(公克.℃)、溫度30℃。將鐵塊與銅塊接觸後,熱量由鐵塊傳至銅塊,造成此現象的主要原因為何?
鐵塊含熱量較多
鐵塊溫度較高
鐵塊質量較大
鐵塊比熱較大
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
關於「熱平衡」的敘述,下列何者正確?
熱能會由高溫處往低溫處流動,最後達到比熱相同
熱能會由比熱大處往比熱小處流動,最後達到溫度相同
熱能會由熱量較多處往熱量較少處流動,最後達到熱量相同
熱能會由高溫處往低溫處流動,最後達到溫度相同
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
已知某植物種子每10克所含的養分如附表所示,若食用此種子10公克,可以得到多少大卡的熱量?
65
55
45
40
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
使1公克的水溫度上升1℃,所需要吸收的熱量為1卡,如果50公克的水吸熱後,溫度由25℃上升至50℃,則該水吸熱多少卡?
2
25
50
1250卡
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
欲使20公克的某物質(比熱為0.15卡∕公克‧℃)溫度上升10℃,所需的熱量為多少卡?
30卡
60卡
120卡
200卡
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
質量0.3公斤的水由10℃升至20℃,共吸熱多少卡?
3
6
3000
6000
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