Sound Waves

Front

Sound waves must travel through _________________.

Back

a medium

Front

Sound waves can NOT travel through: Air, Water, Earth, space

Back

space

Front

Changing the frequency of a sound wave affects the...

Back

Pitch

Front

Changing the amplitude of a sound wave affects the...

Back

Volume

Front

The pitch of a sound depends on its: frequency, amplitude, intensity, loudness

Back

frequency

Front

The higher the frequency, the ____________ the wavelength.

Back

shorter

Front

Frequency is measured in: decibels, Hertz, meters, seconds

Back

Hertz

Front

As the frequency of a sound wave ___, the pitch becomes lower. Options: increases, decreases, does not change, cancels out

Back

decreases

Front

As the amplitude of a sound increases, the loudness

Back

increases

Front

Why is sound able to travel faster through a solid than a gas?

Back

Solid molecules are packed tightly.