
5上自看見自然EP72:哪些因素影響音調高低
Interactive Video
•
Science
•
5th Grade
•
Hard
Hui M
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當直笛接上不同長度的水管時,音高會如何變化?
長水管音調高,短水管音調低
長水管音調低,短水管音調高
兩者音調相同
無法發出聲音
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
用手拍打長水管和短水管的管口,發出的音調會如何?
長水管音調低
長水管音調高
兩水管音調一樣
無法發出聲音
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
為什麼發聲物體的空氣柱越長,音調會越低?
空氣柱越長,振動頻率越快
空氣柱越長,振動頻率越慢
空氣柱長度與音調無關
空氣柱越長,聲音傳播速度越快
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當用長短不同的水管敲擊鼓面時,發出的聲音音調會如何?
長水管敲擊音調高,短水管敲擊音調低
長水管敲擊音調低,短水管敲擊音調高
兩者敲擊音調相同
無法發出聲音
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如何改變鼓聲的高低音?
調整共鳴腔大小
調整鼓皮鬆緊
以上皆是
改變鼓的材質
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鼓的共鳴腔大小如何影響音調高低?
共鳴腔越大,音調越高
共鳴腔越小,音調越低
共鳴腔越大,音調越低
共鳴腔大小與音調無關
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鼓皮的鬆緊程度如何影響音調高低?
鼓皮越緊,音調越低
鼓皮越鬆,音調越高
鼓皮越緊,音調越高
鼓皮鬆緊與音調無關
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
鼓皮越緊音調越高的原因是什麼?
鼓皮振動速度變慢
鼓皮振動速度變快
鼓皮的面積變小
鼓皮的重量變輕
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