SOUND and HEARINGTest Practice

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Sound is ____________ that you can hear.

•bones

•speed

•vibrations

•bouncesGo to the next question

What role does energy play in sound?

• Sound waves have nothing to do with energy.

• Energy is present in loud sounds only.

• Energy is present in high-pitched sounds, but not in low-pitch

ed sounds.

• Sound waves carry energy.Go to the next question

When sound waves bounce off a surface, it is called a(n)…

•vibration

•echo

•ear canal

• frequencyGo to the next question

What are sound waves?

•temperature

•electricity

•heat

•vibrationsGo to the next question

Which part of the ear is a membrane that vibrates when sound hits it?

•ear drum

•cochlea

•hammer

•ear canalGo to the next question

What are the three tiny bones in the ear called?

•hammer, anvil, stirrup

•hammer, anvil, wrench

•anvil, hammer, cochlea

•stirrup, harness, anvilGo to the next question

Which part of the ear turns the sound waves into signals that are sent to the brain?

•ear drum

•cochlea

•outer ear

•hammer, anvil, stirrupGo to the next question

What happens when a sound wave enters the brain’s hearing center?

• The brain uses the sound wave to help you keep your balanc

e.

• It vibrates against the bones of the middle ear.

• It sends the sound wave back through the ear canal.

• The brain tells you what the sound is and where it’s coming f

rom.Go to the next question

Which part of the ear is the cochlea?

•A

•B

•C

•DGo to the next question

A

B

D

C

Which part of the ear is the outer ear?

•A

•B

•C

•DGo to the next question

A

B

D

C

Which part of the ear is the hammer, anvil, and stirrup?

•A

•B

•C

•DGo to the next question

A

B

D

C

Which part of the ear is the eardrum?

•A

•B

•C

•DYou’re done!

Click here to start over.

A

B

D

C

CORRECT!

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