Sound
Light
Waves
Eyes and Ears
100
This type of energy is formed by vibrating objects
What is sound energy?
100
Light can easily travel through this type of material.
What is transparent?
100
This is the distance between a point on one wave and a similar point on the next wave.
What is a wavelength?
100
This is the dark opening in the center of the iris that gets smaller and larger depending on the light.
What is the pupil?
200
This changes depending on the speed of an object's vibrations.
What is pitch?
200
A source of light that warms the Earth and provides plants with food.
What is the Sun?
200
The number of waves that pass a point in a certain amount of time.
What is frequency?
200
Sounds waves enter the ear canal and hit this object, which is connected to three tiny bones, causing it to vibrate.
What is the eardrum?
300
This is the only place where you can travel in complete silence.
What is outer space?
300
When light moves from one medium to another.
What is refraction?
300
The part of a wave where particles are bunched together.
What is a compression?
300
This muscular part of the eye controls how much light is allowed to enter.
What is the iris?
400
A disturbance that moves energy through matter.
What is a sound wave?
400
This type of material would be used to make a stained glass window because of how light travels through it.
What is translucent?
400
Sound waves travel fastest through this phase of matter.
What is solid?
400
This part of the ear is filled with liquid that vibrates, causing little hairs to move.
What is the cochlea?
500
Sound waves travel through this phase of matter most slowly.
What is gas?
500
When light rays pass through this type of lens, they spread apart.
What is concave (or concave lens)?
500
A sound wave is an example of this type of wave.
What is a longitudinal wave?
500
Cells in this area of the eye change light into signals that travel along the optic nerve to the brain.
What is the retina?
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