Sound Energy

Front

What is sound energy?

Back

Sound energy is a type of energy produced by vibrating sound waves that travel through air, water, or solids.

Front

How do we hear sound?

Back

We hear sound when vibrations travel through the air and reach our ears, causing our eardrums to vibrate.

Front

What is vibration?

Back

Vibration is the back and forth movement of matter.

Front

What is frequency?

Back

Frequency is the number of vibrations per second, which determines the pitch of a sound.

Front

What is pitch?

Back

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

Front

What is volume?

Back

Volume is the loudness or softness of a sound.

Front

What happens to sound when it travels through different materials?

Back

Sound travels at different speeds through different materials; it travels fastest in solids and slowest in gases.

Front

What is an echo?

Back

An echo is a reflection of sound that arrives at the listener after a delay.

Front

How does tightening a guitar string affect the sound?

Back

Tightening a guitar string increases the tension, resulting in a higher pitch sound.

Front

What is a sound wave?

Back

A sound wave is a wave of pressure that travels through a medium (like air) and is created by vibrating objects.