5.5 Sound Review

Front

What is sound?

Back

Sound is a form of mechanical energy produced by vibrating matter.

Front

Why do sound waves need a medium to travel?

Back

Sound waves need a medium because the molecules must vibrate back and forth; without matter, there is nothing to vibrate and create sound.

Front

What type of waves does sound travel in?

Back

Sound travels in compression waves.

Front

How does a guitar produce sound?

Back

A guitar produces sound by causing its strings to vibrate.

Front

How does a drum produce sound?

Back

A drum produces sound by hitting the drum cover, which vibrates.

Front

What is an independent variable in an experiment?

Back

An independent variable is the factor that is changed or controlled in a scientific experiment to test its effects on the dependent variable.

Front

What can affect the pitch of a sound?

Back

The pitch of a sound can be affected by the length, thickness, and tension of the vibrating object.

Front

What happens to the sound of a spoon tapping a glass bottle when water is added?

Back

The amount of water in the glass affects how fast the glass vibrates, changing the sound.

Front

What is the relationship between sound and vibration?

Back

Sound is produced by the vibration of objects; the faster the vibration, the higher the pitch of the sound.

Front

What is a medium in the context of sound?

Back

A medium is a substance (solid, liquid, or gas) through which sound waves travel.