112康軒5上自然Ch2
Authored by 張仁彥 張仁彥
Science
5th Grade
Used 4+ times
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65 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小恩提出一項實驗假設，如果想要確認假設是否正確，只要經過大家討論同意後，就可以驗證。
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2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
聲音的大小又稱為音量。
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3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
「分貝」是表示聲音大小的單位；分貝數值越高，表示聲音越大。
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4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光的傳播速度比聲音快。
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5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
當直線行進的光從水中斜斜的射入空氣中，光的行進路線會改變，稱為反射現象。
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果沒看到人，就無法分辨是誰在說話的聲音，因為每一個人說話的音色都相同。
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
根據感覺可以準確判定是否為噪音。
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