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Sound BIngo

QuestionAnswer
The amount of energy in a sound, or the loudness of a sound amplitude
How high or low a sound is; pitch
Sound is a form of: energy
Sound travels in: waves
The distance on a wave measured from crest to crest wavelength
Sound travels slowest through: gases
Sound travels fastest through: solids
The pitch of a sound is closely related to: frequency
high frequency high pitch
low frequency low pitch
High amplitude = loud sound
soft sound low amplitude
A sounds frequency is measured in: hertz
The lowest frequency that humans can hear is: 20 hertz
The highest frequency that humans can hear is: 20,000 hertz
A sounds loudness, or intensity, is measured in: decibels
Humans feel pain at ____________ decibels 120
A reflected sound wave creates an: echo
A place with NO matter, such as outer space Vacuum
Bats and whales use _________________ to locate food that they cannot see echolocation
Which travels faster, light or sound? light
Furniture and carpets cut down on echoes in a house because soft objects ______________ sound. absorb
Which wave has more waves per second, a high frequency or low frequency sound high frequency
Name several animals that can hear sounds with very high frequency bats, dogs, cats, dolphin
The rapid back and forth movement of something vibration
In order for sound to occur, something must: vibrate
What is the thin membrane inside your ear that detects vibrations eardrum
What do we call sounds greater than 20,000 hertz ultrasonic
What do we call sounds less than 20 hertz infrasonic
Name an animal that can hear lower frequency sounds than humans elephant
A jet traveling MACH 2.0 is traveling ___________ the speed of sound twice
What occurs when a jet or rocket breaks the sound barrier sonic boom
Created by: MrLittle5
Popular Physical Science sets

 

 



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