
四上自然3-3
Science
4th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
霆鈞想要製作一種應用光反射現象的玩具,他應該選擇下列哪一種材質比較適合?
黑色紙
紙杯
鏡子
衛生紙
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
用棉線連接兩個紙杯,一人對著其中一個紙杯發出聲音,另一人可以從另一個紙杯中聽到聲音,這主要是屬於下列哪一項應用?
聲音藉由固體傳播
聲音藉由液體傳播
光是直線行進的
鏡子會反射光線
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
至璿利用橡皮筋來製作可以發出聲音的玩具,請問他可能是應用什麼原理與方式?
彈撥橡皮筋產生振動發出聲音
彈撥橡皮筋產生風發出聲音
在橡皮筋上貼可以發出聲音的鏡面紙
將橡皮筋通電後就可以發出聲音
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
品希和其他三位同學一起討論聲音、光在生活中的應用,請問誰的敘述不正確?
品希:紅綠燈和燈塔都是利用光達到指示的功能
妍瑄:一氧化碳偵測警報器和腳踏車車鈴都是利用聲音達到警示的功能
宇彤:聖誕燈飾和路燈都是利用聲音達到娛樂的功能
菩庭:利用聲音、光,可以達到警示、指示、裝飾或娛樂等目的
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
將橡皮擦放在兩面直立的鏡子之間,可以從鏡子中看到很多橡皮擦的影像,這主要是應用下列哪一項特性?
聲音藉由固體傳播
聲音藉由液體傳播
光被物體阻擋時,會在物體另一面形成影子
鏡子會反射光線
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
在杯口包上保鮮膜,並在中間貼上鏡面紙,再對著保鮮膜發出聲音,此時鏡面紙會發生什麼現象?
會產生電力
會產生振動
會發熱
會產生彩虹
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
AI 聲光自動咖啡機在咖啡沖泡完成後,會利用閃光來提醒使用者,請問閃光具備下列哪一種功能?
娛樂
指示
裝飾
沒有任何功能。
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