nature of sound
a disturbance of a transfer of energy
what is a wave
the loudness of sound deepens on energy
what is a sound wave ?
your ear gathers sound waves and sends information to the from your ___________
what is a brain
the maximum distance a medium vibrates rest position
what is amplitude ?
EM wave with the shortest wavelength and highest frequency
what are gamma rays ?
a wave travel though a medium
what is a medium
the unit of measurement and sound
what is decibel ?
sound waves to determine distances or to location ____
what is echolocation
the interaction between waves that meet
what is interference ?
the invisible heat you feel .
what is infrared waves ?
sound is disturbance that travels through a medium as a _________
what's longitudinal wave ?
when the motion of a source causes the waves to either get closer together or spread out.
what is the Doppler Effect?
a device that uses reflected waves to create a picture
what is a sonogram ?
The bending of waves due to a change in speed.
what is Refraction?
all electromagnetic waves travel the same speed in a ________
what is a vacuum ?
sound waves carry energy though a _____
what is a medium ?
a sound wave of greater intensity sounds __________
what is louder ?
Your ear has three main sections: the outer ear, _____, the inner ear.
what is the middle ear?
the lowest natural frequency
what is fundamental undertone?
The EM waves cops use for detecting the speed of cars.
what is microwaves?
Bonus: for 2,000 who had the most goals in a game
liquid or gas, sound travels more slowly at a ________
what are lower temperatures ?
The siren's ______ changes only if it is moving towards or away from the listener.
what is pitch?
sound waves above the normal human range of hearing
what is ultrasound ?
waves that require a medium.
what are mechanical waves?
visible light that appears white is actually many different ___________
what are colors ?