
科技天地(常識第二冊)
Quiz
•
Science
•
6th Grade
•
Medium
wlchiu LEUNG
Used 3+ times
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34 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以下哪一個項目不屬於能量?
熱能
凍能
聲能
化學能
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
拉緊的橡皮圈,能量被儲存起來,這種形式的能量被稱為_______________。
磁石能
動能
勢能
熱能
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
以下哪一項是手提電風扇的能量轉換形式?
電能轉成動能
化學能轉成電能再轉動能
電能轉成電能
代學能轉成動能
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
在能量轉換過程中,是不是所有能量都是我們需要的?
是
不是
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
「由以下哪一種工具的能量轉換形式是「化學能轉成熱能」?
煤氣煮食爐
手電筒
汽車
蒸汽船
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
我們可以透過甚麼知道電器在能量轉換過程中將被浪費的能源減至最低?
用電度
輸出功率
製造商
能源效益標籤
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
在能源效益標籤上,最有效使用能源的電器會以哪一數字表示?
1
5
7
10
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