Sound Waves

Front

What do the vibrations of a plucked guitar string cause?

Back

Compressions and rarefactions.

Front

What is required for sound to travel?

Back

A medium.

Front

What action causes vibrations in the medium?

Back

Knock.

Front

What does elasticity refer to in materials?

Back

The ability to bounce back after being disturbed.

Front

What does compression in a sound wave represent?

Back

An area where particles are close together.

Front

What does rarefaction in a sound wave represent?

Back

An area where particles are spread apart.

Front

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

Back

Approximately 343 meters per second.

Front

How does temperature affect the speed of sound?

Back

Sound travels faster in warmer air.

Front

What is the relationship between frequency and pitch?

Back

Higher frequency results in a higher pitch.

Front

What is amplitude in sound waves?

Back

The height of the wave, which determines loudness.