
4 KH 自然 選擇 1
Authored by Wendy Hsieh
History
2nd Grade
Used 1+ times

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30 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種情況無法發出聲音?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列關於動物利用不同方式發聲溝通的敘述,哪一項不正確?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將塑膠尺的一端固定在桌面上,用手指撥動尺的另一端時,下列哪一種方式會讓尺振動發出的聲音最大聲?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
郁方想探究用不同大小的力敲紙盒時,紙盒上紙片振動的情形,下列哪一項是他在實驗時要改變的項目?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水中的舞者可以聽見水池邊喇叭撥放的音樂,原因是什麼?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將耳朵靠在桌面上,聽桌子傳來的敲擊聲時,為什麼和空氣中聽起來不一樣?
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