Waves, sound, light

An example of a longitudinal wave is a ____

• water wave
• stadium wave
• sound wave
• rope wave

Which statement best defines a wave medium?

• the material through which a wave travels
• a point halfway between the crest and trough
• the distance from one wave crest to the next
• the speed at which waves travel in water

As you increase the amplitude of a wave, you also increase the 

• frequency
• wavelength
• speed
• energy

As frequency _____, pitch _____.

• rises, falls
• decreases, increases
• increases, decreases
• increases, increases

As volume increases, ____ increases.

• amplitude
• frequency
• pitch
• resting point

Sound waves have the fastest speed when traveling through a ___.

• solid
• liquid
• gas
• tornado

A sound wave can travel through a vacuum or empty space.

• True
• False

How loud or soft people hear a sound is related to the _________ of the sound wave.

• amplitude
• longitude
• echo
• lens

Sound intensity is measured in units called ________ named after Alexander Graham Bell.

• tones
• hertz
• amplitudes
• decibels

Wave frequency is measured in the unit of 

• hertz.
• pings.
• clicks.
• tones.