Chapter 14: Sound and Light

Which type of energy is formed by vibrating objects?

• light energy

• sound energy

• chemical energy

A sound wave is a type of ___________ wave.

• parallel

• transverse

• longitudinal

Where would you be traveling in complete silence?

• in outer space

• under the ocean

• in a solid wood room

A guitarist strums two strings on a guitar. The first string vibrates more quickly than the second string, producing a ________________.

• lower pitch

• same pitch

• higher pitch

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

• cochlea

• eardrum

• middle ear

How are light waves and sound waves similar?

• Both are invisible.

• Both carry energy.

• Both travel in vacuums.

When does light refract?

• When light travels in a vaccum.

• When light moves through cold air.

• When light moves from one medium to another.

What type of material is used to make the stained glass window?

• opaque

• reflective

• translucent

Which muscular part of the eye controls how much light enters the eye?

• lens

• iris

• pupil

How can yellow light, ultraviolet waves, and x-rays be described?

• They are part of the electromagnetic spectrum.

• They are forms of visible light.

• They are forms of invisible light.