The part of the ear that is like a tube.
What is a ear cannal?
Increasing the amplitude
How do you make the sound louder?
Sound vibrations touch tiny hairs connected to nerves. These nerves send the sound message to my?
What is the brain?
A clear tough surface called the __________ covers the front of your eye and protects your eye.
What is cornea?
Light enters through this part of the eye
What is pupil?
The cause of sound
What is vibration?
Decrease the amplitude
How do you make the sound quieter?
At the end of the ear canal there is a piece of skin that is called?
What is the eardrum?
The ___________ is a hole in the iris that lets light into the eye.
What is the pupil?
Carries messages from the eye to the brain
What is the optic nerve?
The height of the wave
What is the amplitude?
Decrease the frequency
How do you decrease the pitch?
What are the 3 tiny bones in the ear?
The lens makes and upside down and backwards picture of the world on your _________.
What is the retina?
Piece of glass or transparent material (does not have to be in eye)
What is lens?
The distance between the peaks of 2 waves
what is the wavelength?
Increase the frequency
How do you increase the pitch?
343m/s
What is the speed of sound?
The sclera is the ________ part around the cornea.
What is white?
Cells that work best in bright light, enable you to see color
What is cones?
How often a wave passes through a point in 1 second
What is the frequency?
Fleshy structure that funnels sound into the head.
What is the outer ear?
Sound is heard because ____________ meets our ears.
What is the vibration?
Ommetaphobia is the fear of _______.
What is eye?
Cells that work best in dim light, enable you to see black ,white and gray.
What is rods?