Sound
Light
mirrors, lenses, and the eye
vocabulary
review material
100
this is a longitudinal wave that can travel only through matter.
What is sound?
100
Light travels in this kind of wave.
What are electromagnetic waves?
100
The two different types of reflections.
What is regular and diffuse reflection?
100
perception of how high or low sounds seem
What is pitch?
100
This part of the ear acts as the amplifier
What is the middle ear?
200
The three types of matter through which sound travels.
What are solids liquids and gases?
200
Light can travel through this (in addition to the three types of matter.)
What is a vacuum?
200
This kind of reflection occurs in a plane mirror.
What is a regular reflection.
200
reflected sound wave
What is echo?
200
What part of the ear is the sound wave collector?
What is the outer ear?
300
Sound travels fastest through this type of matter
What is a solid?
300
Light travels slowest in this type of matter.
What are solids?
300
This is the way an image appear when seen through a concave lens.
Right-side up and smaller than the object.
300
material through which light does not pass
What is opaque?
300
what part of the retina enable us to see color?
What is cone cells?
400
These three bones in the inner ear help amplify sound.
What is the hammer, anvil, and stirrup?
400
This is a narrow beam of light that moves in a straight line.
What is a light ray?
400
This part of the eye relaxes and contracts to control how much light enters the eye.
What is the iris?
400
something that emits light
What is a light source?
400
What is the range of visible light on the electromagnetic spectrum?
What is 400nm- 700nm?
500
this fluid filled chamber in the inner ear produces nerve signals that will travel to the brain.
What is the cochlea?
500
How does light enable us to see objects around the room?
Light reflects off of the objects.
500
This transparent structure can change shape to help form an image on the retina.
What is the lens?
500
allows almost all light to pass through and forms a clear image.
What is transparent
500
This part of the eye changes the direction of light waves that enter the eye.
What is the cornea?
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