Collects sound waves; it acts lie a funnel to direct sound waves into the ear
What is outer ear?
100
Back-and-forth motion
What is vibration?
100
An area of crowded particles followed by widely spaced particles
What is sound wave?
100
Sound travels the slowest through...
What is gas matter?
200
The reflection of a sound wave
What is echo?
200
Sound waves make the eardrum vibrates like the head of a drum
What is eardrum?
200
The number of times a sound source vibrates
What is frequency?
200
The energy of a sound wave
What is amplitude?
200
Sound travels fastest through...
What is solid matter?
300
The highness or lowness of a sound as determined by its frequency
What is pitch?
300
The little vibrating bones pass sounds along to a tube that is filled with fluid in the inner ear. The fluid then vibrates. The vibrating fluid makes tiny hair cells vibrate too.
What is inner ear?
300
Small pieces of skin in a person's throat that vibrates
What are vocal cords?
300
The distance from 1 point of a wave to the same point of the next wave
What is wavelength?
300
Sound travels faster through ________ _______ than gas matter and slower than solid matter.
What is liquid matter?
400
How soft or forceful a sound is
What is loudness?
400
A form of energy you can hear
What is sound?
400
For an object to begin vibrating to make a sound, the object requires....
What is energy?
400
High pitch = High...
What is frequency?
400
Sound travels at the same speed through all mediums. (True or False response)
What is False?
500
A unit used to measure amplitude or the loudness of sound
What is decibel?
500
The vibrating eardrum makes three tiny bones in the middle ear vibrate. They are the hammer, anvil, and stirrup.
What is middle ear?
500
One way you could cause an object to vibrate is...
What is plucking?
500
Sound waves move away from the vibrating object in...
What are all directions?
500
Gas, Liquid, Solid
What are phases of matter from slowest to fastest?