Front

What is a disturbance that carries energy such as sound or light?

Back

Sound wave

Front

What is the term for how high or low a sound is?

Back

Pitch

Front

What is something natural that sound cannot travel through?

Back

Outer Space

Front

What happens to the sound when someone talks softer?

Back

The sound becomes softer.

Front

If the amplitude of a sound wave is increased, how does it affect the sound?

Back

The sound becomes louder.

Front

What is the measure of how loud or soft a sound is called?

Back

Volume

Front

What do we call the material through which sound travels?

Back

Medium

Front

What is the highest point of a sound wave called?

Back

Crest

Front

What is the lowest point of a sound wave called?

Back

Trough

Front

What is the distance from the rest position to the crest or trough of a wave?

Back

Amplitude