Sound Wave

Front

As the fire truck approached Mary, the pitch of the siren got higher. Once the fire truck passed and moved away, the siren's pitch got lower. This change in pitch is because of a change in the sound wave's

Back

frequency.

Front

Which statement about sound waves is true? Air travels with them, They travel through a vacuum, They exist only if heard, They can be reflected.

Back

They can be reflected.

Front

If the distance represented by the letter A were increased, how would it change the way the sound was heard?

Back

The sound would be louder.

Front

When comparing the two waves that are shown, how would Wave A (green wave) differ than Wave B (black wave)?

Back

Wave A and B have the same amplitude, but wave B (black) has a lower pitch.

Front

What does pitch depend on? Options: amplitude, frequency, intensity, volume of sound

Back

frequency

Front

A wave with a large wavelength will have a ______ frequency and _____ energy

Back

low, low

Front

When a sound is louder what measurement gets bigger? Frequency, Amplitude, Wavelength, Crest

Back

Amplitude

Front

A wave that requires a medium through which to travel

Back

mechanical wave

Front

Highest point of a wave

Back

crest

Front

The number of wavelengths that pass a point each second

Back

frequency