Sound Review

What wave property does this illustration demonstrate?

• frequency

• diffraction

• amplitude

• Doppler Effect

Tags

NGSS.MS-PS4-1

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

• diffraction

• resonance

• reflection

• compression

Tags

NGSS.MS-PS4-2

These waves require a medium through which to travel.

• electromagnetic

• mechanical

• light

• vibration

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

• amplitude

• loudness

• frequency

• intensity

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

Waves move energy ________ their source.

• through

• away from

• next to

• toward

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

• quieter

• silent

• louder

• higher

Tags

NGSS.MS-PS4-1

In the band room, a student plays a note on her trumpet. In the corner, the drum begins to vibrate. This is an example ________.

• reflection

• diffraction

• resonance

• compression

The unit Hertz is used to measure the waves _______.

• frequency

• wavelength

• loudness

• amplitude

______________ of waves is measured in decibels. (dB)

• frequency

• pitch

• wavelength

• loudness