What is a wave?
A repeating movement that transfers energy through matter.
what does light hit first when entering the eye?
what is cornea
What do our ears do?
Help us hear sound waves and balance.
What is frequency?
Frequency is the amount of waves that pass in a given amount of time.
An educated guess.
What is a hypothesis?
Which color has the longest wavelength?
Red
This is the part of the retina with no light sensetive cells
what is blind spot?
How is our ear divided?
Outer ear, middle ear, inner ear.
A wave has a frequency of 20 Hz and a wavelength of 10m. What is the speed of the wave?
The speed of the wave is 200 m/s
Something is dependent on the independent variable.
What is Dependent variable?
Radio waves
this transmits electrical impulses to the brain
what is optic nerve?
What part of our ear is our auditory nerve located in?
Inner ear.
A wave has a frequency of 9 Hz and a speed of 72 m/s. What is the wavelength?
The wavelength is 8m
Something that stands alone and is not changes.
What is the independent variable?
What is a medium?
Matter where a wave travels.
this is the weakest part of the eye
what is optic disc?
What part of our ear is the pinna located in?
Outer ear.
What is wavelength?
The distance between crest to crest, trough to trough
Every experiment needs this.
What is the control?
What is a crest?
The highest points of waves.
this adjusts the amount of light that enters the eye
what is iris?
What are the three main ear bones called?
Malleus, incus, stapes.
The frequency is 7 Hz
A part that doesn't change during the experiment.
What is the constant?