The pitch of a sound is directly related to the sound's _______.
frequency
15
The loudness of a sound is directly related to the wave's _____.
amplitude
15
Sound waves will transfer fastest through _______.
solids
15
Sound waves is produced by ______________.
vibration of an object.
15
[T/F] : Sound travels the FASTEST through air.
False
15
High frequency = _______ Pitch
High
15
The ______ of a sound depends on the medium through which it's moving.
speed
15
Will a LOUD sound will have a high or low amplitude?
High amplitude
15
Which travels faster, light or sound?
Light
15
Will sound be absorbed or reflected by these objects: brick, concrete, glass, tile, wood
Reflected
20
Will sound be reflected or absorbed by these objects: hair, cotton, carpet, flag, pillow
Absorbed
20
What shape does sound travel in?
waves
15
Why will sound echo in an empty room? explain your answer.
Yes, because there are only hard surfaces so sound only reflects.
25
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
15
[T/F] : Sound travels through a vacuum
False
15
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.