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110_2G5401

Authored by Black David

Science

5th Grade

Used 1+ times

110_2G5401
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38 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

測量聲音大小的儀器稱為麥克風。

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

有些聲音對某些人來說是悅耳的,但對有些人而言,卻可能是噪音。

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

生活中各種物體發出聲音時,發聲部位都會有振動的現象。

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

喇叭播放音樂時,將手輕輕放在喇叭上,手會感覺麻麻的。

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

測量聲音大小所使用的單位是分貝。

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

敲擊音叉後,把音叉輕輕放入水中,可以看到因為音叉振動而使水噴濺起水花的現象。

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

所有樂器發出的聲音都很好聽,無論多大聲都不屬於噪音。

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