聲音與物體 3-2-1
Flashcard
•
Science
•
4th Grade
•
Hard
Amanda Chen
Used 1+ times
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10 questions
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1.
FLASHCARD QUESTION
Front
可以發出聲音的物體,有什麼共同的現象?
Back
都會產生振動
2.
FLASHCARD QUESTION
Front
同學們在討論產生聲音的話題,他們各自發表自己的看法。莎莎:「只有固體才能產生聲音」;智強:「空氣無法產生聲音」;小美:「聲音是由物體振動產生的」;柏凱:「敲桌子會有聲音和桌子的顏色有關」。以上哪一位同學的說法正確?
Back
小美
3.
FLASHCARD QUESTION
Front
小芳想讓紙盒上的紙片跳動得更明顯,她可以怎麼做?
Back
用力敲紙盒
4.
FLASHCARD QUESTION
Front
下列有關聲音大小的敘述,哪一項不正確?
Back
物體停止振動時,發出的聲音較大
5.
FLASHCARD QUESTION
Front
曉琪利用彈橡皮筋來觀察聲音的大小,他可能會觀察到下列哪一項實驗結果?
Back
橡皮筋振動的大小不同,發出的聲音大小也不相同
6.
FLASHCARD QUESTION
Front
下列有關聲音的敘述,哪一項不正確?
Back
聲音的大小與發聲物體的顏色有關
7.
FLASHCARD QUESTION
Front
佳雯把一杯水放在桌上,用不同大小的力敲桌子,他可以觀察到什麼現象?
Back
用不同大小的力敲桌子,水面振動的大小也不一樣
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