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WorksheetsSound
Total questions: 8
Worksheet time: 4mins
Name
Class
Date
1.
What is sound?
a)
vibrating molecules in the air
b)
a football game
c)
gravity
d)
Kinetic Enegry
2.
How much faster dosas sound travel through a metal than through air?
a)
14
b)
9
c)
18
d)
463
3.
Ears are cupped shape to…
a)
Reflect more sound
b)
Absorb more sound
c)
Transmit more sound
4.
Echo is…
a)
Sound absorbed by metals
b)
Sound going through water
c)
Sound bouncing back
5.
Natural Frequency is…
a)
frequency that objects vibrates at naturally
b)
Frequency that it takes a astronaut to get the the moon
c)
Frequency that objects vibrate forcefully
6.
Sound travels faster through…than air
a)
Solids
b)
Liquids
c)
Gases
7.
The faster the vibrations , higher the….
a)
Absorbing
b)
Frequency
c)
Tempo
8.
Sound sound waves above 20Hz are know as…
a)
Ultrasound
b)
Infrared radiation
c)
Audible to humans
d)
Infrasound
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