
P5_2_CH.2
Authored by Wing Ng
Science
1st - 5th Grade
Used 1+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在甚麼情況下會產生聲音?
物體靜止。
物體振動。
光傳播。
光反射。
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
物體的振動幅度越 __________,發出的音量便越大。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
音量的單位是甚麼?
毫克。
公斤。
厘米。
分貝。
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
聲音在傳播途中遇上阻礙物,便會形成 __________。
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
__________ 的物料能有效阻隔聲音。
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
__________ 的物料能有效吸收聲音。
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