Sound Review

These waves require a medium through which to travel.

• electromagnetic

• mechanical

• light

• vibration

When an ambulance passes by an observer, the frequency seems to change. This is an example of _________.

• Resonance

• The speed of sound

• The Doppler Effect

• Intensity

The pitch of a sound is directly related to the sound's _______.

• amplitude

• loudness

• frequency

• intensity

The loudness of a sound is directly related to the wave's _____.

• wavelength

• frequecy

• rest position

• amplitude

When a wave has less energy the sound will be _________.

• quieter

• silent

• louder

• higher

Waves will transfer fastest through a _______.

• liquid

• gas

• solid

• all of the above

This illustration demonstrates which wave property?

• amplitude

• diffraction

• Doppler Effect

• frequency

This illustration demonstrates which wave property? (Notice that the number of waves is the same for each example)

• frequency

• amplitude

• Doppler Effect

• diffraction

Measure of how high or low a sound is

• amplitude
• compression
• speed of sound
• pitch

This is the unit used to measure the volume of a sound.

• Decibel

• Medium

• Hertz

• Oscilloscope