4年级科学 第6课 声音
Quiz
•
Science
•
4th Grade
•
Practice Problem
•
Hard
LEE Moe
Used 18+ times
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10 questions
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1.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
声音是怎样产生的?
因为物体的__________而产生的。
2.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
声音可以通过哪5种方法产生?
1
2
3
4
5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
我们唱歌时,空气通过__________因振动而发声。
喉咙
颈项
声带
丹田
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
震动越大,所产生的声音越__________。
大
小
高
低
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
声音和水一样,可以通过__________的形式向远处传播。
6.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
声音的反射可以产生哪3个现象?
1
2
3
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
什么是回声?
传播出去的声音碰到__________时反射回来让我们听到再次听到这个声音。
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