Making a note higher or lower is changing its ___.

Bigger vibrations make sounds that are ___.

Faster (more frequent) vibrations make sounds with ___.

If you place an alarm inside the bell jar and vacuum all the air out, what will the alarm sound like?

The particles in the diagram represent ___.

When the particles are close together, this is called ____.

When the particles are far apart, this is called ____.

What type of wave is this?

The unit for pitch/frequency is ___.

The unit for amplitude/loudness is ___.

The shorter the wavelength, ___.

As you move down, these traces represent sounds getting ___.

The part of the ear that the vibrating air particles push on is the ___.

The part of the ear that converts the vibration to an electrical signal is the ___.

What is the hearing range of (young) humans?

As you age, your range of hearing ___.

Which letter represents the wavelength?

Which letter represents the amplitude?

Which letter is related to the loudness of a sound?

Which letter is related to the pitch of a sound?

Which letter is related to the frequency of a sound?

Which type of material is sonorous - it rings like a bell when hit?