Sound Energy Practice Quiz

Sound energy is ______ made by vibrations.

• energy

• light

• heat

• motion

Vibrations move air, creating ______ waves.

• sound

• light

• water

• heat

How do we hear sound? The first step is that ________ enter ears.

• sound waves

• light waves

• water drops

• air bubbles

How do we hear sound? The second step is that ________ vibrate.

• eardrums

• eyeballs

• tongues

• teeth

According to the diagram, what happens after sound waves enter the ear canal?

• The brain translates vibrations into sound

• The sound waves create vibrations in the bones of the middle ear

• The signals are sent to the brain

• The vibrations are converted into electrical signals in the cochlea

Which of the following is an example of sound energy?

• Talking and singing

• Reading a book

• Watching TV

• Sleeping

What does pitch refer to in sound?

• Loud or soft

• High or low

• Vibration speed

• Amplitude

What does volume refer to in sound?

• High or low

• Loud or soft

• Vibration speed

• Frequency

What does frequency refer to in sound?

• Loud or soft

• High or low

• Vibration speed

• Amplitude

Higher frequency results in a _______ pitch sound.

• higher

• lower

• softer

• weaker