The part of the ear that we can see. It serves to collect and focus sound waves by sending them down your ear canal to your ear drum.
What is the outer ear
100
The distance from the top of one crest to the top of the next or from the bottom of one trough to the bottom of the next.
What is wavelength
100
The_______ of a wave is the distance between the top of one crest and the top of the next.
What is wavelength
100
High frequency waves used to show bones.
What is x-rays
200
A chain of three tiny bones in the ear.
What is hammer, anvil, and stirrup
200
The distance from the midpoint to the crest (or trough) of the wave.
What is amplitude
200
A _________ wave is produced by the vibration of an object.
What is sound
200
Low frequency waves; radar, TV, FM, AM
What is radio waves
300
Fluid-filled chamber in the ear shaped like a snail shell, it is lined with little hair-like receivers that sort the sounds according to the pitch and converts the vibrations to electrical signals.
What is the cochlea
300
Number of vibrations a wave makes in a given period of time.
What is frequency
300
Sound waves are _________ waves that move by expanding and contracting matter.
What is compression
300
Waves that are made up of alternating electric and magnetic fields created by vibrating electric charges.
What is electromagnetic waves
400
Signals are sent to the brain through...
What is the auditory nerve
400
A disturbance that carries energy from one place to another without a net movement of matter.
What is a wave
400
Sound waves will travel faster in a good _________.
What is conductor
400
Visible part of electromagnetic spectrum
What is light waves
500
Tight skin-like membrane that starts to vibrate like the head of a drum when sound waves hit it.
What is ear drum
500
Produced by the vibration of an object, carries the vibration from a vibrating object outward in all directions.
What is a sound wave
500
The visible part of the electromagnetic spectrum is composed of ______ waves.