Introduction to Sound

Front

What is sound?

Back

Sound is a type of energy that travels in waves and can be heard when it reaches our ears.

Front

How do we know a tuning fork is vibrating?

Back

We can show that a tuning fork is vibrating by placing it in water and observing the ripples.

Front

What do you feel when you hum?

Back

When you hum, you can feel vibrations in your throat.

Front

What can very loud sounds do?

Back

Very loud sounds can cause glass to break.

Front

What does vibrating mean?

Back

Vibrating means moving back and forth really fast.

Front

Why does a guitar make different sounds?

Back

A guitar makes different sounds because each string has a different thickness.

Front

What is a wave?

Back

A wave is a disturbance that travels through space and matter, transferring energy from one place to another.

Front

What is pitch?

Back

Pitch is how high or low a sound is.

Front

What is volume?

Back

Volume is how loud or soft a sound is.

Front

What is a sound wave?

Back

A sound wave is a wave of pressure that travels through air, water, or solid materials.