What comes first lightning or thunder?
What is lightning?
The abbreviation of decibel?
What is (DB)?
The anvil is in this part of the ear?
What is the middle ear?
The ear drum does ____ when hit with sound?
What is vibrate?
The height of a waves crest depends on its ____?
What is amplitude?
____ is how much matter or mass their is in a given amount in space or volume?
What is density?
A sound wave of ___ intensity sounds louder?
What is greater?
The outer ear is also known as the ____?
What is the pinna?
What are the three bones in the ear?
What is hammer, anvil and stirrup?
What is it called when the particles in a wave are close together?
What is compression?
What does the speed of sound depend on?
What is temperature?
What is the range in hertz that the human can hear?
What is 20-20,000?
The use Eustachian tube does what?
What is air pressure?
Def musicians can also feel ____ in different parts of their body?
What is vibrations?
When particles in a wave are spread out is called what?
What is rarefaction?
If the medium is diamond what is the speed in m/s?
What is 12,000?
The change in frequency at a wave as its source moves in relation to an observer is what?
What is the Doppler Effect?
How many hair cells are in the cochlea?
What is 10,000?
In the ear what is the second bone the sound hits?
What is anvil?
The bending of waves due to a change in speed is called ____?
What is refraction?
What is the speed when the air temperature is -20?
What is 318 m/s?
What does speed equal?
What is wavelength times frequency?
What is the purpose of a choclear implant?
What is hair cell loss?
In a chochlea implant what replaces the hair cells?
What is electrodes?
A point of a amplitude on a standing wave is ___?
What is node?