What wave property does this illustration demonstrate?

• frequency

• diffraction

• amplitude

• Doppler Effect

Sound waves from a classroom pass through a doorway into the hallway. This is possible because of __________.

• diffraction

• resonance

• reflection

• compression

These waves require a medium through which to travel.

• electromagnetic

• mechanical

• light

• vibration

Waves move by causing a ____________ in particles

• disturbance

• energy

• vibration

• mechanical

_____________________ is transferred by waves from one place to another.

• vibration

• energy

• disturbance

• mechanical

Waves are a ___________________.

• vibration

• mechanical

• mechanical

• disturbance

Which of these is NOT a medium?

• light

• air

• wood

• metal

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

• amplitude

• loudness

• frequency

• intensity

Which of the following is NOT a mechanical wave?

• ocean

• seismic

• ocean

• light

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

• Resonance

• The speed of sound

• The Doppler Effect

• Intensity