Sound Waves Practice

Front

One important characteristic of sound waves is that they are ___________________ waves.

Back

mechanical

Front

What is something natural that Sound cannot travel through?

Back

outer Space

Front

What would you expect to see these sound sources doing anytime one of them produces a sound?

Back

vibrate back and forth

Front

What type of wave is a sound wave?

Back

Mechanical

Front

Spread out areas or areas of decreased pressure on a sound wave are known as a ---

Back

Rarefaction

Front

What is the term for areas of increased pressure in a sound wave?

Back

Compression

Front

What is the unit of frequency for sound waves?

Back

Hertz (Hz)

Front

What is the speed of sound in air at room temperature?

Back

Approximately 343 meters per second

Front

What is the relationship between frequency and pitch in sound?

Back

Higher frequency results in a higher pitch.

Front

What happens to sound waves as they travel through different mediums?

Back

They can change speed and direction.