Sound waves will transfer fastest through _______.
solids
Will a LOUD sound will have a high or low amplitude?
High amplitude
[T/F] : Sound travels the FASTEST through air.
False
High frequency = _______ Pitch
High
The pitch of a sound is directly related to the sound's _______.
frequency
When Qi Zhe yells his name in a cave, the sound reflects off the walls of the cave and travels back to his ears. What is this sound called?
echo
Which travels faster, light or sound?
Light
Why will sound echo in an empty room? explain your answer.
Yes, because there are only hard surfaces so sound only reflects.
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.
Will sound be absorbed or reflected by these objects: brick, concrete, glass, tile, wood
Reflected
[T/F] : Sound travels through a vacuum
False
What shape does sound travel in?
waves
The ______ of a sound depends on the medium through which it's moving.
speed
The loudness of a sound is directly related to the wave's _____.
amplitude
Sound waves is produced by ______________.
vibration of an object.
name two things that are required for sound reflection.
hard surface and sound wave.
Will sound be reflected or absorbed by these objects: hair, cotton, carpet, flag, pillow
Absorbed
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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