
1072_5042
Quiz
•
Physics
•
5th Grade
•
Practice Problem
•
Medium
Black David
Used 10+ times
FREE Resource
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93 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
直笛的發聲原理是利用改變空氣柱的長短,發出高低不同的聲音。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
觀察烏克麗麗時,用手彈撥不同粗細的弦,不會有聲音的高低變化,只會有聲音的大小變化。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
我們可以聽到大鼓的聲音,是因為鼓面振動會發出聲音,而音箱可以讓聲音變得更大。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
直笛和小號所發出的聲音,都是靠吹奏者手指振動所產生的。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
敲擊鐵琴較長的金屬片所發出的聲音,比敲擊鐵琴較短的金屬片所發出的聲音高。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
烏克麗麗的音箱是擴大聲音的構造。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果遮住烏克麗麗的音箱響孔,彈撥時所發出的聲音會變小。
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