
四年级科学声音
Authored by NG Moe
Science
4th Grade
Used 4+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
声音由【 】产生
蠕动
跳动
爬动
振动
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
声音的传播是?
四面八方
直线
波浪线
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
哪个地方的回音最久最长?
山谷
电影院
课室
箱子里
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
当我们在弹吉他时,( )会振动而产生声音。
弦
琴头
音孔
面板
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
发声的物体叫作( )。
声波
声音
声响
声源
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
振动越大,所产生的声音越( )。
大
中
小
无
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
声音是通过( )的形式向远处传播。
波
直线
辐射
反弹
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