Light
Light moves in waves and in this way.
What is a straight line?
Absorbs 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 are light waves?
Includes all the light that you can see.
What is the visible spectrum?
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?
This texture of surface scatters the light rays that hit them
What is a rough surface?
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?
They travel through different materials at different speeds. Fastest through solid, and slowest through gas. Cannot travel through a vacuum.
What are sound waves?
Something that light does not pass through.
What is opaque?
This occurs when white light is broken up into colors.
What is a rainbow?
This helps catch sound waves and direct them into the ear canal.
What is the outer ear?
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 wave to the same point on the next wave.
What is a wavelength?
The type of light useful in communications because it can travel for long distances without getting dim.
What is laser light?
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?