Sound Waves Test Review

The phases of matter sound can travel through (check all that apply)

• solid

• liquid

• gas

• space

Which type of wave travels faster through the air?

• sound

• light

What is this called?

(a)  

If the time between releasing the sound and hearing the sound is over 0.1s, it is called an (a)  

When waves crash together and cancel each other out, it is called (a)  

When waves crash together and add (constructive interference), it increases this measurement.

(a)  

If these were sound waves, that increase would also increase the....

• volume

• decibels (dB)

• pitch

• frequency

The bigger the string or tube on a musical instrument, the _____ the pitch.

• higher

• lower

The higher the pitch, the _____ the wavelength and the ____ the frequency.

• shorter, higher

• shorter, lower

• longer, higher

• longer, lower

What is Sheldon demonstrating?

(a)