Sound Energy

Front

Which part of our ears vibrates to help us hear?

Back

Eardrums vibrate to help us hear.

Front

What type of sound is produced when vibrations are fast?

Back

High pitch sound is produced when vibrations are fast.

Front

What does it mean to vibrate?

Back

To move back and forth and make a sound.

Front

What is a series of sounds traveling through air called?

Back

Sound waves.

Front

How do earplugs work?

Back

They block most of the sound waves from your ears.

Front

What is sound energy?

Back

Sound energy is the energy produced by vibrating sound waves.

Front

What do we call the highness or lowness of a sound?

Back

Pitch.

Front

What happens to sound when it travels through different materials?

Back

Sound can change in volume and pitch depending on the material.

Front

What is an example of a sound that vibrates slowly?

Back

A low pitch sound, like a bass drum.

Front

What is an example of a sound that vibrates quickly?

Back

A high pitch sound, like a whistle.