Unit 06: Sound Practice

Front

What is sound?

Back

Sound is a form of energy that travels through the air as vibrations.

Front

Which medium transmits sound the fastest?

Back

Steel transmits sound the fastest compared to air, water, and vacuum.

Front

What device uses sound waves to detect objects underwater?

Back

Sonar is the device that uses sound waves to detect objects underwater.

Front

How does sound travel through air?

Back

Sound travels through air by vibrating air molecules.

Front

What do we measure when we talk about the volume of sound?

Back

When measuring volume, we are measuring how loud or soft the sound is.

Front

What is a wave?

Back

A wave is a disturbance that travels through a medium, carrying energy from one place to another.

Front

What is the relationship between sound and energy?

Back

Sound is a type of energy that is produced by vibrating objects.

Front

What is an example of a sound wave?

Back

An example of a sound wave is the sound produced by a guitar string when it is plucked.

Front

What is the difference between pitch and volume?

Back

Pitch refers to how high or low a sound is, while volume refers to how loud or soft a sound is.

Front

What happens to sound in a vacuum?

Back

Sound cannot travel in a vacuum because there are no air molecules to vibrate.