
SCW1819常識小六6.3能量的轉換
Authored by K K
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4th Grade
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电池是由甚麼能量轉化的?
電能
光能
聲能
化學能
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
枱燈把電能轉成甚麼能量?
光能和電能
热能和光能
聲能和勢能
動能和電能
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪一項會釋放熱能?
暖爐
緩爐
收音机
冷氣機
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
打火機是由什麼能量轉換為熱能和光能?
热能和光能
化學能
電能
聲能
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
用手壓着彈弓,然後放手,能量轉換的過程是甚麼?
動能→勢能
聲能→動能
勢能→動能
動能→動能
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電風扇把化學能轉換成什麼能量?
電能→光能
聲能→動能
電能→動能
聲能→動能
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
能量儲存時,會是甚麼能量?
動能
勢能
聲能
電能
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