
Ch05(5.1) 能量 L2
Quiz
•
Science
•
1st Grade
•
Practice Problem
•
Hard
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A. P
B. Q
C. R
D. 以上所有盒子帶有相同的勢能。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2. 凱倫利用電水煲加熱一些水。下列哪項關於那些水的敍述是正確的?
A. 水的電能減少。
B. 水的電能增加。
C. 水的熱能減少。
D. 水的熱能增加。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3. 下列哪項最能描述馬拉松跑手的主要能量轉換過程?
A. 化學能 → 動能
B. 勢能 → 動能
C. 動能 → 化學能
D. 動能 → 勢能
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪些方法可能令水輪機轉動得更快?
(1) 提高水管的高度
(2) 增加水管的出水量
(3) 令水從水管更快流出
A. 只有 (1) 和 (2)
B. 只有 (1) 和 (3)
C. 只有 (2) 和 (3)
D. (1)、(2) 和 (3)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪些關於電動車的敍述是正確的?
(1) 電動車的電池儲存電能。
(2) 電動車的電動機把電能轉換成動能。
(3) 電動車行駛得越快,其動能越大。
A. 只有 (1) 和 (2)
B. 只有 (1) 和 (3)
C. 只有 (2) 和 (3)
D. (1)、(2) 和 (3)
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
把答案填寫在橫線上。
1. 能量以不同的 _______________ 存在(例如光能)。
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
把答案填寫在橫線上。
2. 綠葉會把來自太陽的 _______________ 能轉換成化學能作儲存之用。
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