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SCW1819常識小六6.3能量的轉換

Authored by K K

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4th Grade

Used 36+ times

SCW1819常識小六6.3能量的轉換
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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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