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Why can sound not be heard well in the towel section of the store?
The soft objects absorb the sound, making it quieter
Why will sound echo in an empty gym?
There are only hard surfaces so sound only reflects
Will sound be reflected or absorbed by these objects: hair, cotton, carpet, flag, pillow
Absorbed
Will sound be absorbed or reflected by these objects: brick, concrete, glass, tile, wood
Reflected
When sound is made, it moves out in all directions until it interacts with a material (T/F)
True
If you are playing an instrument filled with air, like the recorder, and you close the first hole, making the amount of air shorter, what will the pitch be?
High pitch
What travels faster, light or sound?
Light
Would a low guitar sound have the string vibrating fast or slow?
Vibrating low
Will a LOUD sound will have a high or low amplitude?
High amplitude
What shape does sound travel in?
waves
The ______ of a sound depends on the medium through which it's moving.
speed
_________ is a form of energy that travels through the air.
Sound
The more_______ a sound has, the greater its _________ is.
energy/volume
High frequency = _______ Pitch
High
Low frequency = _______ Pitch
Low
When Mr. Tabbert yells his name in a cave, the sound reflects off the walls of the cave and travels back to his ears. What is this called?
Echo
Sound travels through solids.
(T/F)
This word refers to any substance that sound can travel through. Sound can travel through solids, liquids, and gases.
Medium
Sound travels FASTEST through
vibrations
Sound travels FASTEST through empty space (T/F)
False
Waves will transfer fastest through _______.
solids
______________ of waves is measured in decibels. (dB)
Loudness
The loudness of a sound is directly related to the wave's _____.
amplitude
The pitch of a sound is directly related to the sound's _______.
frequency
Waves move by causing a ____________ in particles
vibration
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