The distance between wave crests is called amplitude.

• True

• False

A sound wave with a high pitch will have a low frequency.

• True

• False

The larger the amplitude of a sound wave, then the less energy the wave has.

• True

• False

The height of a sound wave is called its _____.

• length

• altitude

• frequency

• amplitude

Animals need some light to be able to see.

• True

• False

_____ is when light hits a surface and bounces off of it.

• reflection

• refraction

• absorption

• projection

A loud, high-pitched sound would have which of the following properties?

• short wavelength, low amplitude

• short wavelength, high amplitude

• long wavelength, low amplitude

• long wavelength, high amplitude

Which measure determines the pitch of a sound?

• amplitude

• frequency

• crest height

• distance

Indicate whether the statement is true or false. 3. Waves have several characteristics including troughs, which are the highest points of a wave.

• True

• False

As the amplitude of a sound wave increases, its ______________.

• pitch decreases

• pitch increases

• volume decreases

• volume increases