
5-2熱量+熱平衡
Physics
8th Grade
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲、乙兩物體接觸時,若熱量由物體甲傳至物體乙,則下列敘述何者正確?
甲的質量較大
甲的比熱較大
甲的溫度較高
甲的熱量較多
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1.若甲物的質量小於乙物,兩物接觸後達成熱平衡,則兩物熱平衡後的何項條件必相等?
溫度
熱量
比熱
體積
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將 50℃的水與 80℃的水混合在一起時,則兩者混合後的溫度不可能為下列何者?
55℃
65℃
75℃
85℃
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1.使 20 公克的水,溫度由 40℃升高到 75℃,需吸收多少熱量?
500 卡
600 卡
700 卡
800 卡
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當熱在兩物體間傳遞時,它的流向是如何?
由體積大者流向體積小者
由密度大者流向密度小者
由質量大者流向質量小者
由溫度高者流向溫度低者
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
關於熱的敘述,下列何者錯誤? (A) (B) (C) (D)。
熱是一種會流動的物質
熱能使物質的溫度發生變化
熱能使物質的溫度跟狀態同時發生變化
同一物體,溫度上升愈多,吸收的熱量愈少
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
冷、熱水混合時,若熱水熱量變化 400 卡,則冷水熱量的變化最不可能為多少卡?
200 卡
300 卡
400 卡
500 卡
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