Sound Review

Front

What is the effect of increasing the humidity of air on the speed of sound?

Back

The speed increases.

Front

Which affects the pitch of a sound?

Back

Frequency.

Front

What is the unit of frequency?

Back

Hertz.

Front

All objects ___________ when they make sound.

Back

Vibrate.

Front

Sound waves transfer energy, without transferring ___________.

Back

Matter.

Front

What is sound?

Back

Sound is a type of energy made by vibrations.

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

Amplitude is the height of the wave, which determines the loudness of the sound.

Front

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

Back

Approximately 343 meters per second.

Front

What is a sound wave?

Back

A sound wave is a longitudinal wave that travels through a medium.