What is the lowest point of a wave
Trough
how far the medium moves from rest position in one second
Frequency
What allows passage of light into the eye and focuses light
Cornea
When a wave strikes an object or surface and bounces off
Refection
What helps the ear collect sound waves traveling through the ear and directs them inside the ear canal
Pinna
What is the highest point of a wave
Crest
What is when the particles are close together
Compression
What is the hole where light enters the eye
Pupil
What is the bending of a wave as it passes at an angle from one medium into another
Refraction
What protects the middle ear and inner ear
Eardrum
What is the distance between one point on a wave and the exact same place on the next
Wavelength
What is when the particles are spread apart
Rarefraction
What controls the amount of light entering the eye
Iris
What is the bending of a wave as it travels around an object or through a barrier
Diffraction
What is the major function in hearing
Cochlea
How far the medium moves from rest position
Amplitude
What are waves that need a medium
Mechanical waves
What converts light waves to electrical signals
Retina
What is when light travels out in all directions from a source
Polarization
What functions like neurons in the spiral organ
Receptor cells
What is the line in the middle of a wave
Rest position
What are waves without a medium
Electromagnetic
What transmits electrical signal from retina to the brain
Optic nerve
What is when light is redirected as it passes through a medium
Scattering
What are the 2 senses of equilibrium
Balance and balance