Sound

Front

What is sound?

Back

Sound is a type of energy made when something vibrates.

Front

How does sound travel?

Back

Sound travels through the air as waves.

Front

What is an echo?

Back

An echo is the reflection of sound waves off of a hard surface.

Front

What happens to the pitch of sound when vibrations are fast?

Back

Fast vibrations cause a high pitch.

Front

What happens to the pitch of sound when vibrations are slow?

Back

Slow vibrations cause a low pitch.

Front

What is the relationship between vibration and sound?

Back

Sound is produced when an object vibrates.

Front

Can sound travel through solids?

Back

Yes, sound can travel through solids, liquids, and gases.

Front

What is the speed of sound in air?

Back

The speed of sound in air is approximately 343 meters per second at room temperature.

Front

What is a sound wave?

Back

A sound wave is a wave of pressure that travels through a medium (like air) and is perceived as sound.

Front

What is frequency in relation to sound?

Back

Frequency is the number of vibrations or cycles per second, measured in Hertz (Hz), and determines the pitch of the sound.