Vocabulary
Sound
Light
The Ear
The Eye
100

This is what mirrors do with light.

reflect

100

This type of energy is formed by vibrating objects.

sound

100

How are sound and light similar?

Sound and light both travel in waves and carry energy.

100

This section of your ear funnels sound waves.

the outer ear

100

This is the colored part of the eye.

the iris

200

The amount of energy that a sound has affects this.

volume or loudness

200

Because there is no medium, sound does not travel here.

outer space

200

This is our most important source of light.

the sun

200

Sound waves bounce off this part of the ear that is located in the middle ear.

the eardrum

200

This is the black part of your eye that can change size.

the pupil

300

A stained glass window has this property.

transluscent

300

Sound travels as this type of wave.

longitudinal

300

Light rays do this when they pass through convex lenses.

come together

300

This part of the ear is filled with liquid that vibrates, causing little hairs to move.

the cochlea

300

This part of the eye is muscular and controls how much light enters the eye.

the iris

400

Light waves do not travel through materials that are described as this.

opaque

400

Whether a string vibrates quickly or slowly affects this part of sound.

pitch

400

Light rays do this when they pass through a concave lens.

spread apart

400

This is the section of your ear that is closest to the brain.

the inner ear

400

This part of the eye focuses.

the lens

500

Yellow light, ultraviolet rays, and x-rays can all be described as part of this.

the electromagnetic spectrum

500

Sound travels from inside your ear to your brain along this.

the auditory nerve

500

When light moves from one medium to another this happens.

refraction (bending light)

500

These are the nicknames for the three tiny bones in your ear.

the hammer, anvil, and stirrup

500

This part of the eye is most responsible for refracting light.

the cornea