Sound Waves

True or False: Sound needs a medium.

• True

• False

travels through solids fastest because the molecules are closer together

• speed of sound

• wavelength

• frequency

• amplitude

When a sound is louder what measurement gets bigger?

• Frequency 

• Amplitude 

• Wavelength 

• Crest

Sound is made when a source of energy forces the matter to

• Vibrate

• Move

• Stay still

Sound waves travel as ________ waves.

• Transverse

• Longitudinal

• Surface

How high or low a sound is; depends on the frequency (greater frequency= higher pitch)

• pitch

• frequency

• sound

• medium

The pitch of a sound is determined by what?

• the frequency of the sound wave

• the amplitude of the sound wave

• the loudness of the sound wave

• the decibel level of the sound wave

• the vestibular level of the sound wave

Which of the following is a characteristic of sound waves that affects how we perceive sound?

• Frequency

• Color

• Brightness

• Texture

What is the term for the distance between two consecutive compressions in a sound wave?

• Wavelength

• Amplitude

• Frequency

• Velocity

In which medium does sound travel the slowest?

• Air

• Water

• Steel

• Vacuum