
声音
Authored by kuek Moe
Science
1st - 12th Grade
Used 110+ times

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20 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
对瓶口吹气,周围的空气因_______而产生声音。
波动
振动
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
人类说话时,_______会振动。
声带
声呐
超声波
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
人们说话时,声带振动越______,
所产生的声音越_______。
大;小
小,大
大,大
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
发声的物体叫做________。
声波
声带
声源
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
声音会反射。
对
错
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
光与_______一样,会反射。
声音
视线
味道
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
什么是回声?
传播出去的声音碰到障碍物被反射回来。
人们自己创造而成的声源。
人们可以在此听见的反射回来的声音。
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