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四年级科学:声音

Authored by YAU Moe

Science

4th Grade

Used 180+ 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

哪个地方的的回音最久最长?SP6.1.3 (TP 4)

山谷

课室

箱子里

电影院

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪项不是利用声音的反射制作的用具?SP6.1.3 (TP 4)

扩音器

3D电视机

眼镜清洁机

超音波探测器

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下都是声音的用处,除了SP6.1.3 (TP 4)

可以制成超音波

可以探测海底

可以传达信息

可以填饱肚子

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

找出哪个是利用声音的反射才能进行的活动?SP6.1.3 (TP 4)

探测胎儿

探测眼睛

探测天空

探测星球

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪项物体吸收声音的功能最好?SP6.1.4 (TP 5)

纸张

砖块

海绵

木头

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

声音能透过什么传播?SP6.1.1 (TP 2)

真空

固体

液体

空气

7.

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?SP6.1.1 (TP 2)

牙齿

舌头

喉结

声带

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