The loudness of a sound is directly related to the wave's _____.
amplitude
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15
[T/F] : Sound travels through a vacuum
False
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25
Using particle theory, explain the speed of sound in solid and in gas medium.
solid particle closely pack together, the transfer the vibration faster than in other medium. Gas particles are far way from one another., transfer slower.
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seesaw
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fairy
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fairy
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banana
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15
[T/F] : Sound travels the FASTEST through air.
False
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15
The ______ of a sound depends on the medium through which it's moving.
speed
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20
Will sound be absorbed or reflected by these objects: brick, concrete, glass, tile, wood
Reflected
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15
High frequency = _______ Pitch
High
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15
Sound waves is produced by ______________.
vibration of an object.
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15
Will a LOUD sound will have a high or low amplitude?
High amplitude
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heart
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fairy
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lifesaver
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20
explain how boat used echo to find out the depth of water.
the boat send the sound to the surface and the echo reflected, calculate the distance by using equation.
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25
Why will sound echo in an empty room? explain your answer.
Yes, because there are only hard surfaces so sound only reflects.
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seesaw
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fairy
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rocket
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thief
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15
Which travels faster, light or sound?
Light
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20
name two things that are required for sound reflection.
