Front

What is an echo?

Back

An echo is the reflection of sound waves off a hard surface that returns to the listener.

Front

Does plucking a rubber band create sound?

Back

Yes, plucking a rubber band causes it to vibrate, which produces sound.

Front

What is sound?

Back

Sound is a form of energy that travels through the air as waves.

Front

What happens to sound as you get closer to it?

Back

The closer you are to a sound, the louder it gets.

Front

What can an object that does not vibrate not produce?

Back

An object that does not vibrate cannot produce sound.

Front

What is the medium through which sound travels?

Back

Sound travels through mediums such as air, water, and solids.

Front

What is vibration?

Back

Vibration is the rapid back-and-forth movement of an object, which creates sound.

Front

What is the relationship between pitch and frequency?

Back

Pitch is how high or low a sound is, and it is determined by the frequency of the sound waves.

Front

What is volume in terms of sound?

Back

Volume refers to the loudness or softness of a sound.

Front

What is a sound wave?

Back

A sound wave is a wave of pressure that travels through a medium, caused by vibrating objects.