Sound
Light
The Eye
The Ear
Mystery
100
Produce sound waves
What are vibrations?
100
Occurs when a light wave changes speed.
What is refraction?
100
Controls the amount of light that enters the eye.
What is the iris?
100
Collects and channels sound waves into the ear.
What is the outer ear?
100
Reason for names of hammer, anvil and stirrup.
What is their appearance?
200
Sound waves cannot travel through this.
What is a vacuum or space?
200
Allows all light through it.
What is a transparent material?
200
Layer of tissue with light sensitive cells.
What is the retina?
200
Name the middle ear bones.
What are the hammer, anvil and stirrup?
200
Electromagnetic waves with the smallest wavelength and highest frequency.
What are gamma ray waves?
300
A sound wave is a series of compressions and ______.
What are rarefactions?
300
Image in this is right side up and smaller than the object.
What is a convex mirror?
300
Examples are the cornea and lens of the eye, as well as, magnifying tools and cameras.
What is a convex lens?
300
Membrane that picks up vibrations from the ear canal.
What is the eardrum?
300
Waves with a short wavelength that can cause sunburn.
What are ultraviolet waves?
400
Used to measure a sound's loudness.
What is the decibel?
400
Thinner in the middle than on the edges.
What is a concave lens?
400
Cells that allow you to see objects in dim light.
What are rod cells?
400
Amplifies sound.
What is a middle ear function?
400
Explain how a lake could change a regular reflection to a diffuse reflection.
What is check answers?
500
Sound waves with a greater frequency have a higher _________.
What is pitch?
500
Image of object is reversed left to right.
What is a plane mirror?
500
This happens to the pupil in bright light.
What is listen to answers?
500
Converts vibrations to nerve signals.
What is the cochlea or inner ear function?
500
This type of light is actually a combination of the light of many different colors.
What is white light?
M
e
n
u