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单元6:声音

Authored by LEE Moe

Science

4th Grade

Used 1+ times

单元6:声音
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10 questions

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1.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

以下哪个情况会产生声音?

风吹树叶

雨后彩虹出现

乌云出现闪电

小鸟拍打翅膀

2.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

我们可以通过哪种方法来使物体发出声音?

抚摸

敲打

推动

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

观察上图的实验。当我们敲打盆底时,玻璃碗上面的物体会怎样?

没有变化

慢慢变大

轻轻跳动

四处滚动

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

我们的声音怎样产生的?

空气通过声带而振动

空气通过喉咙而振动

空气通过吸气而振动

空气通过呼气而振动

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

观看上图。这个婴儿正在大哭。你认为他的声音振动如何?

振动小

振动大

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

声音怎样传播?

由左至右

由下往上

由右至左

往四方八面

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

观察上图,他们正在进行什么实验?

声音的反射

超声波

声音的振动

声音的传播

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