
機械與生活
Quiz
•
Science
•
6th Grade
•
Medium
LEE MATTHEW利國良
Used 2+ times
FREE Resource
13 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
悅仁將排球拋向空中後,排球從最高點向下墜。
以下哪一個能量轉換過程最適宜描述上述情況?
動能轉化為化學能,再轉化為動能
動能轉化為勢能,再轉化為動能
勢能轉化為動能,再轉化為勢能
動能轉化為聲能,再轉化為動能
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
燒烤炭在燃燒前後,以下哪一句子能描述能量轉換過程?
光能轉換為化學能和熱能。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在發電廠中,水蒸氣流經過渦輪時,能量轉換的過程是什麼?
動能轉化為電能。
勢能轉化為熱能。
化學能轉化為動能和電能。
電能轉化為動能。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
我們可根據甚麼來比較不同電冰箱的效能?
能源效益標籤
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將「彈珠(波子)」在枱面上被向前推後,彈珠向前轉動,速度逐漸減慢,最後彈珠停下來。
按照以上情況,以下句子是否正確?
彈珠在未被向前推之前,彈珠維持靜止狀態,是因為受慣性影響。
正確
不正確
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將「彈珠(波子)」在枱面上被向前推後,彈珠向前轉動,速度逐漸減慢,最後彈珠停下來。
按照以上情況,以下句子是否正確?
彈珠被向前推之前,彈珠處於靜止狀態時,彈珠和枱面之間產生了摩擦力。
正確
不正確
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將「彈珠(波子)」在枱面上被向前推後,彈珠向前轉動,速度逐漸減慢,最後彈珠停下來。
按照以上情況,以下句子是否正確?
彈珠被向前推之後,彈珠和枱面之間因摩擦而產生了摩擦力,導致彈珠速度逐漸減慢。
正確
不正確
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