什麼時候感恩節?

3-3 多變的聲音

Quiz
•
Science
•
2nd Grade
•
Hard
陳怡如 陳怡如
Used 4+ times
FREE Resource
40 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
昨天
今天
明天
後天
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甲大聲唱出 Do 音符,乙小聲唱出同音階中的 Si,則下列敘述何者正確?
甲聲音較大,音調較高
乙音量較小但音調較高
甲、乙之音色相同
乙聲音較高可以傳播較遠
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
大提琴演奏發出優美的樂聲,演奏者演奏時能控制大提琴樂聲的哪些性質
音速
音色
音量
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
大提琴演奏發出優美的樂聲,演奏者演奏時『不能』控制大提琴樂聲的哪性質
音速
音調
音量
波長
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
利用傳聲筒可將聲波傳得比較遠,這是利用它的反射現象
對
錯
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在空曠的大禮堂說話時常會有回聲,所以可證明聲音有反射現象
對
錯
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
原聲和回聲的頻率及速率相同
對
錯
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