Light
When light bounces off of a surface
What causes sound?
Vibrations
Optic Nerve
Where is the Pinna located in the ear?
Outer Ear.
What is matter?
Particles that make up everything
What is the transmission of light?
When light passes through and object
What is the term used to measure how loud or soft a sound is?
Amplitude
What gives the eye its shape?
Vitreous Body and Muscle
In what part of the ear does the most activity take place when hearing a sound? (outer, inner or middle)
Inner
Why do we see lighting before we hear it?
How does light travel?
What is a wavelength?
The distance between 2 peaks on a sound graph
Which parts of the eye are transparent?
What is the maximum and minimum amount of frequency that a human hear?
20,000 Hz and 20Hz
What type of object is light absorbed by?
Opaque objects
What unit is light measured in?
LUX
Solids: It travels the fastest because the particles are tightly packed so we they can vibrate easier.
What are the 3 different colors of cone cells in the eye?
Red, Blue, Green
What is the order of the ossicles in the ear
Does sound travel faster through denser of sparser objects?
Denser
Light has mass (True, False)
True
What type of wave are S-waves?
Transversal
No
Full passage of sound in the ears.
The sound waves go through the ear canal then hit the eardum, the hammer anvil and stirrup hit the cochlea and the tiny hairs in it convert sounds into electric signals which are sent to the brain via the audiotory nerve.
How is the one way mirror made?
It is made by coating a glass with a very thin piece of silver.