Chapter 4: Vibrations and Sound Comprehension Questions

Front

What is a vibration?

Back

A vibration is a rapid back-and-forth movement of an object.

Front

How does sound travel?

Back

Sound travels in waves through air, water, or solid materials.

Front

What is the source of sound?

Back

The source of sound is anything that vibrates, like a guitar string or a drum.

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 that carries sound through a medium.

Front

What is an echo?

Back

An echo is a sound that is reflected off a surface and heard again.

Front

What materials can sound travel through?

Back

Sound can travel through solids, liquids, and gases.

Front

What is a musical instrument?

Back

A musical instrument is an object that produces sound when played.

Front

What is a decibel?

Back

A decibel is a unit used to measure the intensity of sound.