Sound waves

Front

Sound waves are what kind of wave?

Back

Longitudinal

Front

If you want to change the pitch of a sound, you have to change the ___ (Options: Frequency, Speed, Wavelength, Amplitude)

Back

Frequency

Front

What happens when you increase the amplitude of a sound?

Back

It makes the sound louder.

Front

Unit used to measure the volume of a sound

Back

Decibel

Front

True or False: Sound travels better through solids than through liquids

Back

True

Front

What is a pitch?

Back

highness or lowness of a sound

Front

Sound waves move more quickly through _________________ matter

Back

dense

Front

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

Back

Solid molecules are packed tightly.

Front

How does a sound wave interact with a human ear?

Back

vibrates the ear drum

Front

What is the range of frequencies audible to the human ear?

Back

20 Hz - 20,000 Hz