Light & Eye
Light moves in waves and in this way.
What is a straight line?
Reflects every color of light except red light.
What is red?
Something that helps a person hear better.
What is a hearing aid?
All sound is created when matter does this.
What is vibrates?
The material that allows light to pass through but scatters it.
What is translucent?
The only kind of energy waves you can see.
What is visible light spectrum?
The colour with the shortest wavelength.
What is Violet?
The first step in hearing is when sound waves make this part of your ear vibrate.
What is the eardrum?
The loudness or softness of a sound
What is volume?
You speak into this to amplify sound.
What is a microphone?
The law of reflection
What is the angle of reflection is equal to the angle of incidence?
The color of sunlight.
What is white?
This carries sound waves to the brain.
What is the auditory nerve?
This makes sounds louder.
What is an amplifier?
These waves need a medium to travel through
What are sound waves?
The speed of light.
What is 300 million meters per second?
This occurs when white light is broken up into the 7 colors of the rainbow
What is dispersion?
This has small hair cells that are sensitive to sound vibrations.
What is the cochlea?
This is higher from sounds made from thin strings on a guitar and lower from the sounds made by thick strings on a guitar.
What is pitch?
The distance from one point on a crest of a wave to the next crest.
What is a wavelength?
The type of object gives off light.
What is luminous object?
This the color you see when all of the colors are absorbed.
What is black?
The three small bones in the ear.
What are the hammer, anvil, and stirrup?
This device contains a tiny amplifier that makes sounds louder and is often used by doctors.
What is a stethoscope?
A lens that is thicker in the middle than at the ends?
What is a convex lens?