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声音

Authored by CHOW Moe

Science

4th Grade

Used 13+ times

声音
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

发声的物体被称为。。。

声音

声物

声源

声带

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

振动越小,所产生的声音越( )。

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪个动作不会是物体发出声音?

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

声音是靠介质传播的。在什么情况下声音不能传播?

没有空气

很多空气

没有人

很多人

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

这是什么?

声音

回声

声波

声呐

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

站在山谷叫喊可以听到什么?

回声

声呐

超声波

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪一个不属于声音的反射?

雷声

回声

声呐

超声波

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