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四年级科学-声音

Authored by Tay Poh Ling

Science

4th Grade

Used 1K+ times

四年级科学-声音
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

声音由( )而产生的。

蠕动

跳动

爬动

振动

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

当我们在弹吉他时,( )会振动而产生声音。

琴头

音孔

面板

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

当我们在唱歌时,哪个部位会振动而产生声音?

牙齿

声带

舌头

喉结

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

发声的物体叫作( )。

声波

声音

声响

声源

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

振动越大,所产生的声音越( )。

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

声音是通过( )的形式向远处传播。

直线

辐射

反弹

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

当声音遇到物体是,会不会反射?

不会

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